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Home > Waits > Six Flags > Great America > Weather Calendar

2021 Six Flags Great America Weather Calendar

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Fiesta Texas Weather Calendar
Over Georgia Weather Calendar
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Six Flags Great America Weather Calendar
Below is is the 2021 weather calendar for Six Flags Great America. It provides historical weather data for Six Flags Great America for each day of the year. Use this information to help plan a trip during a time of year you are most comfortable with. Clicking one of the year links below will show the actual measured data from the year selected.
Average Weather Data
2019 Weather Data
2020 Weather Data
2021 Weather Data
2022 Weather Data
2023 Weather Data
2024 Weather Data

2021 Six Flags Great America Weather Calendar
Coldest
Colder
Cold
Average
Warm
Warmer
Warmest

MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY SATURDAY SUNDAY
Jan 01
34°F
1°C
0.49
87%
92%
9
Jan 02
32°F
0°C
0.0
87%
99%
5
Jan 03
34°F
1°C
0.06
87%
99%
6
Jan 04
29°F
-2°C
0.0
88%
99%
8
Jan 05
34°F
1°C
0.0
85%
100%
4
Jan 06
36°F
2°C
0.0
85%
90%
3
Jan 07
36°F
2°C
0.0
78%
100%
6
Jan 08
36°F
2°C
0.0
73%
100%
8
Jan 09
36°F
2°C
0.0
72%
77%
5
Jan 10
30°F
-1°C
0.0
70%
100%
4
Jan 11
29°F
-2°C
0.0
81%
85%
13
Jan 12
38°F
3°C
0.0
78%
7%
10
Jan 13
40°F
4°C
0.0
75%
45%
9
Jan 14
37°F
3°C
0.24
85%
46%
8
Jan 15
37°F
3°C
0.0
83%
96%
6
Jan 16
37°F
3°C
0.08
84%
100%
6
Jan 17
35°F
2°C
0.0
79%
94%
4
Jan 18
31°F
-1°C
0.0
75%
90%
6
Jan 19
29°F
-2°C
0.06
75%
94%
7
Jan 20
34°F
1°C
0.0
68%
10%
14
Jan 21
41°F
5°C
0.0
56%
20%
9
Jan 22
31°F
-1°C
0.0
54%
3%
9
Jan 23
30°F
-1°C
0.0
52%
35%
5
Jan 24
33°F
1°C
0.12
74%
100%
6
Jan 25
33°F
1°C
0.18
72%
100%
11
Jan 26
32°F
0°C
0.43
80%
100%
13
Jan 27
28°F
-2°C
0.0
66%
60%
7
Jan 28
22°F
-6°C
0.0
62%
7%
5
Jan 29
32°F
0°C
0.0
66%
20%
8
Jan 30
34°F
1°C
0.41
73%
70%
17
Jan 31
32°F
0°C
0.45
87%
100%
14
Feb 01
34°F
1°C
0.0
72%
57%
7
Feb 02
32°F
0°C
0.0
73%
46%
6
Feb 03
35°F
2°C
0.0
72%
0%
6
Feb 04
36°F
2°C
0.41
78%
65%
11
Feb 05
21°F
-6°C
0.0
68%
37%
11
Feb 06
11°F
-12°C
0.0
68%
40%
6
Feb 07
4°F
-16°C
0.0
57%
33%
6
Feb 08
13°F
-11°C
0.0
66%
96%
4
Feb 09
13°F
-11°C
0.0
53%
1%
6
Feb 10
14°F
-10°C
0.0
54%
66%
6
Feb 11
18°F
-8°C
0.06
62%
53%
8
Feb 12
13°F
-11°C
0.0
65%
79%
8
Feb 13
9°F
-13°C
0.02
68%
78%
8
Feb 14
2°F
-17°C
0.0
52%
64%
9
Feb 15
10°F
-12°C
0.26
66%
99%
11
Feb 16
20°F
-7°C
0.12
71%
93%
8
Feb 17
24°F
-4°C
0.0
60%
64%
5
Feb 18
25°F
-4°C
0.0
70%
80%
5
Feb 19
21°F
-6°C
0.0
67%
27%
6
Feb 20
27°F
-3°C
0.0
70%
13%
5
Feb 21
35°F
2°C
0.29
74%
52%
12
Feb 22
39°F
4°C
0.02
74%
75%
14
Feb 23
47°F
8°C
0.0
66%
29%
9
Feb 24
44°F
7°C
0.0
70%
23%
9
Feb 25
40°F
4°C
0.0
68%
0%
6
Feb 26
38°F
3°C
0.0
70%
30%
9
Feb 27
49°F
9°C
0.04
76%
11%
7
Feb 28
46°F
8°C
0.0
83%
55%
10
Mar 01
33°F
1°C
0.0
56%
19%
8
Mar 02
41°F
5°C
0.0
63%
0%
13
Mar 03
52°F
11°C
0.0
65%
1%
7
Mar 04
34°F
1°C
0.0
73%
58%
9
Mar 05
45°F
7°C
0.0
68%
5%
5
Mar 06
40°F
4°C
0.0
78%
1%
4
Mar 07
44°F
7°C
0.0
71%
3%
7
Mar 08
61°F
16°C
0.0
57%
6%
11
Mar 09
65°F
18°C
0.0
60%
0%
8
Mar 10
68°F
20°C
0.0
59%
82%
21
Mar 11
63°F
17°C
0.0
59%
11%
14
Mar 12
51°F
11°C
0.0
59%
0%
6
Mar 13
59°F
15°C
0.0
56%
0%
5
Mar 14
46°F
8°C
0.0
58%
0%
14
Mar 15
37°F
3°C
0.26
71%
53%
16
Mar 16
36°F
2°C
0.0
82%
100%
5
Mar 17
37°F
3°C
0.28
82%
100%
10
Mar 18
42°F
6°C
0.18
74%
43%
20
Mar 19
40°F
4°C
0.0
57%
0%
9
Mar 20
49°F
9°C
0.0
62%
0%
6
Mar 21
62°F
17°C
0.0
49%
0%
9
Mar 22
66°F
19°C
0.0
42%
12%
11
Mar 23
56°F
13°C
0.26
74%
81%
8
Mar 24
57°F
14°C
0.22
78%
94%
16
Mar 25
47°F
8°C
0.08
79%
97%
9
Mar 26
37°F
3°C
0.04
83%
98%
7
Mar 27
52°F
11°C
0.2
84%
80%
6
Mar 28
52°F
11°C
0.0
59%
62%
12
Mar 29
63°F
17°C
0.0
53%
10%
15
Mar 30
67°F
19°C
0.0
40%
36%
19
Mar 31
45°F
7°C
0.0
42%
57%
9
Apr 01
35°F
2°C
0.0
52%
18%
8
Apr 02
45°F
7°C
0.0
54%
0%
8
Apr 03
70°F
21°C
0.0
40%
2%
12
Apr 04
65°F
18°C
0.0
57%
0%
7
Apr 05
69°F
21°C
0.0
58%
19%
9
Apr 06
80°F
27°C
0.0
55%
22%
10
Apr 07
71°F
22°C
0.08
69%
29%
7
Apr 08
60°F
16°C
0.47
86%
87%
8
Apr 09
59°F
15°C
0.0
77%
95%
10
Apr 10
53°F
12°C
0.45
88%
90%
7
Apr 11
53°F
12°C
0.0
84%
61%
4
Apr 12
64°F
18°C
0.02
67%
59%
6
Apr 13
53°F
12°C
0.0
57%
44%
8
Apr 14
45°F
7°C
0.0
53%
63%
7
Apr 15
51°F
11°C
0.0
63%
83%
6
Apr 16
48°F
9°C
0.0
76%
32%
6
Apr 17
49°F
9°C
0.0
65%
0%
6
Apr 18
61°F
16°C
0.02
53%
59%
6
Apr 19
51°F
11°C
0.02
52%
69%
9
Apr 20
39°F
4°C
0.0
55%
61%
6
Apr 21
45°F
7°C
0.14
71%
78%
6
Apr 22
59°F
15°C
0.0
57%
23%
6
Apr 23
63°F
17°C
0.0
42%
36%
10
Apr 24
58°F
14°C
0.0
69%
81%
6
Apr 25
43°F
6°C
0.0
64%
40%
8
Apr 26
69°F
21°C
0.0
56%
50%
11
Apr 27
81°F
27°C
0.0
59%
30%
14
Apr 28
53°F
12°C
0.0
78%
55%
6
Apr 29
62°F
17°C
0.16
78%
72%
6
Apr 30
53°F
12°C
0.0
63%
10%
9
May 01
85°F
29°C
0.0
43%
11%
18
May 02
85°F
29°C
0.0
48%
33%
19
May 03
72°F
22°C
0.32
76%
69%
11
May 04
55°F
13°C
0.02
78%
78%
5
May 05
52°F
11°C
0.0
70%
13%
7
May 06
53°F
12°C
0.2
74%
79%
5
May 07
55°F
13°C
0.0
63%
56%
8
May 08
49°F
9°C
0.1
67%
44%
5
May 09
57°F
14°C
0.16
61%
24%
9
May 10
48°F
9°C
0.0
62%
67%
8
May 11
50°F
10°C
0.0
67%
23%
6
May 12
57°F
14°C
0.0
56%
5%
5
May 13
66°F
19°C
0.0
45%
6%
5
May 14
69°F
21°C
0.0
40%
26%
6
May 15
62°F
17°C
0.26
60%
69%
8
May 16
67°F
19°C
0.0
71%
51%
6
May 17
67°F
19°C
0.0
72%
1%
5
May 18
69°F
21°C
0.12
78%
57%
8
May 19
75°F
24°C
0.2
80%
73%
9
May 20
82°F
28°C
0.02
68%
37%
7
May 21
85°F
29°C
0.0
61%
30%
10
May 22
86°F
30°C
0.0
65%
60%
6
May 23
78°F
26°C
0.24
84%
79%
6
May 24
84°F
29°C
0.0
74%
69%
5
May 25
85°F
29°C
0.02
60%
27%
15
May 26
81°F
27°C
0.2
63%
45%
9
May 27
54°F
12°C
0.61
74%
48%
13
May 28
48°F
9°C
0.1
80%
96%
15
May 29
60°F
16°C
0.0
48%
0%
9
May 30
65°F
18°C
0.0
55%
0%
6
May 31
71°F
22°C
0.0
53%
8%
8
Jun 01
72°F
22°C
0.0
61%
11%
7
Jun 02
74°F
23°C
0.0
64%
5%
4
Jun 03
85°F
29°C
0.0
54%
22%
6
Jun 04
92°F
33°C
0.0
40%
26%
10
Jun 05
93°F
34°C
0.0
46%
0%
12
Jun 06
89°F
32°C
0.0
52%
21%
12
Jun 07
79°F
26°C
0.24
77%
41%
8
Jun 08
84°F
29°C
0.02
78%
30%
4
Jun 09
80°F
27°C
0.0
80%
9%
5
Jun 10
80°F
27°C
0.02
79%
2%
5
Jun 11
87°F
31°C
0.04
74%
1%
5
Jun 12
84°F
29°C
0.08
73%
19%
4
Jun 13
83°F
28°C
0.0
49%
4%
6
Jun 14
79°F
26°C
0.0
57%
28%
8
Jun 15
75°F
24°C
0.0
59%
11%
8
Jun 16
71°F
22°C
0.0
56%
0%
6
Jun 17
85°F
29°C
0.0
52%
14%
8
Jun 18
90°F
32°C
0.06
59%
24%
6
Jun 19
84°F
29°C
0.02
69%
25%
7
Jun 20
78°F
26°C
0.24
83%
36%
5
Jun 21
72°F
22°C
0.2
65%
70%
9
Jun 22
73°F
23°C
0.0
60%
55%
6
Jun 23
80°F
27°C
0.16
60%
64%
14
Jun 24
80°F
27°C
0.1
70%
73%
12
Jun 25
83°F
28°C
2.03
88%
82%
5
Jun 26
82°F
28°C
1.44
84%
77%
9
Jun 27
80°F
27°C
0.04
75%
70%
11
Jun 28
74°F
23°C
0.26
87%
79%
4
Jun 29
84°F
29°C
0.16
82%
60%
6
Jun 30
81°F
27°C
0.04
80%
53%
5
Jul 01
73°F
23°C
0.0
72%
20%
10
Jul 02
70°F
21°C
0.0
73%
17%
6
Jul 03
86°F
30°C
0.0
61%
9%
6
Jul 04
90°F
32°C
0.0
64%
0%
6
Jul 05
91°F
33°C
0.0
61%
0%
12
Jul 06
91°F
33°C
0.04
61%
16%
10
Jul 07
74°F
23°C
0.1
87%
68%
6
Jul 08
66°F
19°C
0.02
82%
90%
6
Jul 09
72°F
22°C
0.0
72%
18%
6
Jul 10
73°F
23°C
0.14
80%
59%
8
Jul 11
69°F
21°C
0.57
79%
87%
10
Jul 12
69°F
21°C
0.02
86%
98%
7
Jul 13
82°F
28°C
0.04
83%
81%
4
Jul 14
85°F
29°C
0.0
73%
25%
8
Jul 15
79°F
26°C
0.22
81%
70%
9
Jul 16
72°F
22°C
0.0
80%
76%
7
Jul 17
76°F
24°C
0.0
73%
37%
8
Jul 18
78°F
26°C
0.0
70%
1%
6
Jul 19
81°F
27°C
0.0
69%
4%
4
Jul 20
87°F
31°C
0.0
71%
6%
6
Jul 21
73°F
23°C
0.04
77%
56%
7
Jul 22
79°F
26°C
0.0
78%
20%
5
Jul 23
88°F
31°C
0.02
74%
34%
6
Jul 24
93°F
34°C
0.0
72%
18%
9
Jul 25
92°F
33°C
0.0
56%
0%
5
Jul 26
90°F
32°C
0.0
50%
1%
5
Jul 27
89°F
32°C
0.0
60%
13%
7
Jul 28
89°F
32°C
0.0
72%
33%
5
Jul 29
86°F
30°C
0.08
73%
23%
10
Jul 30
72°F
22°C
0.0
66%
13%
8
Jul 31
82°F
28°C
0.0
66%
13%
5
Aug 01
74°F
23°C
0.0
70%
14%
7
Aug 02
74°F
23°C
0.0
72%
38%
5
Aug 03
80°F
27°C
0.0
62%
23%
5
Aug 04
82°F
28°C
0.0
63%
10%
5
Aug 05
88°F
31°C
0.0
58%
33%
7
Aug 06
85°F
29°C
0.35
70%
60%
10
Aug 07
82°F
28°C
0.14
82%
20%
6
Aug 08
93°F
34°C
0.04
69%
28%
12
Aug 09
78°F
26°C
1.0
85%
62%
8
Aug 10
92°F
33°C
0.18
81%
31%
8
Aug 11
87°F
31°C
0.1
77%
47%
13
Aug 12
90°F
32°C
0.0
70%
24%
9
Aug 13
79°F
26°C
0.0
63%
22%
5
Aug 14
77°F
25°C
0.0
62%
3%
5
Aug 15
78°F
26°C
0.0
67%
0%
6
Aug 16
78°F
26°C
0.0
72%
12%
5
Aug 17
79°F
26°C
0.0
80%
9%
5
Aug 18
82°F
28°C
0.0
84%
29%
5
Aug 19
84°F
29°C
0.1
83%
30%
5
Aug 20
84°F
29°C
0.0
82%
24%
5
Aug 21
88°F
31°C
0.18
74%
28%
8
Aug 22
79°F
26°C
0.0
73%
35%
8
Aug 23
87°F
31°C
0.0
74%
10%
6
Aug 24
95°F
35°C
0.0
79%
50%
8
Aug 25
90°F
32°C
0.14
75%
37%
5
Aug 26
84°F
29°C
0.0
77%
15%
5
Aug 27
85°F
29°C
0.0
80%
12%
6
Aug 28
96°F
36°C
0.06
68%
12%
10
Aug 29
90°F
32°C
0.18
70%
13%
10
Aug 30
83°F
28°C
0.0
67%
12%
5
Aug 31
80°F
27°C
0.0
75%
28%
6
Sep 01
76°F
24°C
0.0
65%
33%
8
Sep 02
75°F
24°C
0.0
71%
16%
6
Sep 03
75°F
24°C
0.2
70%
42%
7
Sep 04
77°F
25°C
0.04
70%
85%
7
Sep 05
83°F
28°C
0.0
59%
22%
6
Sep 06
76°F
24°C
0.0
68%
11%
6
Sep 07
88°F
31°C
0.57
75%
19%
8
Sep 08
77°F
25°C
0.0
60%
42%
6
Sep 09
74°F
23°C
0.0
68%
25%
5
Sep 10
79°F
26°C
0.0
67%
13%
6
Sep 11
86°F
30°C
0.0
66%
1%
9
Sep 12
85°F
29°C
0.02
75%
26%
7
Sep 13
74°F
23°C
0.22
82%
83%
6
Sep 14
85°F
29°C
0.16
68%
19%
10
Sep 15
74°F
23°C
0.0
66%
14%
6
Sep 16
79°F
26°C
0.0
66%
0%
7
Sep 17
91°F
33°C
0.0
63%
30%
9
Sep 18
73°F
23°C
0.0
67%
5%
7
Sep 19
80°F
27°C
0.0
77%
2%
6
Sep 20
81°F
27°C
0.16
76%
52%
10
Sep 21
77°F
25°C
0.35
76%
75%
9
Sep 22
64°F
18°C
0.0
66%
42%
10
Sep 23
68°F
20°C
0.0
57%
19%
8
Sep 24
80°F
27°C
0.1
55%
21%
11
Sep 25
69°F
21°C
0.0
52%
15%
6
Sep 26
84°F
29°C
0.0
42%
10%
13
Sep 27
84°F
29°C
0.0
64%
18%
10
Sep 28
68°F
20°C
0.0
78%
19%
7
Sep 29
75°F
24°C
0.0
81%
11%
5
Sep 30
73°F
23°C
0.0
82%
13%
5
Oct 01
79°F
26°C
0.0
75%
0%
5
Oct 02
81°F
27°C
0.08
77%
62%
8
Oct 03
77°F
25°C
0.65
89%
84%
4
Oct 04
70°F
21°C
0.18
88%
99%
7
Oct 05
66°F
19°C
0.0
88%
99%
8
Oct 06
66°F
19°C
0.0
91%
88%
8
Oct 07
70°F
21°C
0.43
94%
83%
7
Oct 08
72°F
22°C
0.06
92%
75%
4
Oct 09
72°F
22°C
0.0
86%
39%
6
Oct 10
73°F
23°C
0.0
81%
27%
11
Oct 11
77°F
25°C
0.59
81%
47%
11
Oct 12
64°F
18°C
0.0
90%
84%
7
Oct 13
69°F
21°C
0.12
89%
59%
7
Oct 14
72°F
22°C
0.32
70%
50%
7
Oct 15
62°F
17°C
0.02
73%
37%
5
Oct 16
59°F
15°C
0.0
57%
8%
6
Oct 17
67°F
19°C
0.0
55%
0%
5
Oct 18
69°F
21°C
0.0
66%
0%
5
Oct 19
72°F
22°C
0.0
62%
0%
8
Oct 20
72°F
22°C
0.0
66%
25%
6
Oct 21
65°F
18°C
0.02
82%
73%
7
Oct 22
53°F
12°C
0.0
72%
54%
4
Oct 23
55°F
13°C
0.0
69%
19%
4
Oct 24
53°F
12°C
1.22
80%
64%
11
Oct 25
53°F
12°C
0.61
78%
98%
16
Oct 26
57°F
14°C
0.0
73%
45%
6
Oct 27
53°F
12°C
0.0
73%
45%
8
Oct 28
56°F
13°C
0.49
85%
100%
10
Oct 29
55°F
13°C
0.39
93%
100%
14
Oct 30
59°F
15°C
0.02
78%
57%
9
Oct 31
53°F
12°C
0.0
69%
24%
7
Nov 01
48°F
9°C
0.0
57%
33%
6
Nov 02
47°F
8°C
0.0
61%
28%
5
Nov 03
44°F
7°C
0.0
66%
34%
5
Nov 04
48°F
9°C
0.0
64%
34%
5
Nov 05
53°F
12°C
0.0
62%
0%
9
Nov 06
60°F
16°C
0.0
61%
7%
12
Nov 07
66°F
19°C
0.0
66%
0%
10
Nov 08
65°F
18°C
0.0
69%
0%
8
Nov 09
56°F
13°C
0.0
79%
21%
7
Nov 10
55°F
13°C
0.04
77%
44%
9
Nov 11
55°F
13°C
0.26
77%
64%
13
Nov 12
41°F
5°C
0.06
82%
82%
12
Nov 13
41°F
5°C
0.0
72%
98%
8
Nov 14
38°F
3°C
0.02
79%
79%
11
Nov 15
34°F
1°C
0.0
68%
57%
4
Nov 16
55°F
13°C
0.0
79%
47%
9
Nov 17
61°F
16°C
0.26
71%
94%
10
Nov 18
40°F
4°C
0.0
55%
59%
10
Nov 19
39°F
4°C
0.0
57%
10%
7
Nov 20
49°F
9°C
0.0
61%
48%
10
Nov 21
54°F
12°C
0.0
57%
47%
9
Nov 22
35°F
2°C
0.0
44%
18%
7
Nov 23
44°F
7°C
0.0
48%
5%
10
Nov 24
51°F
11°C
0.04
58%
14%
14
Nov 25
49°F
9°C
0.0
74%
94%
10
Nov 26
29°F
-2°C
0.0
54%
46%
5
Nov 27
43°F
6°C
0.04
64%
65%
7
Nov 28
40°F
4°C
0.0
56%
10%
7
Nov 29
40°F
4°C
0.0
54%
56%
8
Nov 30
51°F
11°C
0.0
56%
0%
6
Dec 01
50°F
10°C
0.0
75%
59%
11
Dec 02
55°F
13°C
0.0
52%
9%
8
Dec 03
45°F
7°C
0.06
87%
76%
4
Dec 04
38°F
3°C
0.0
63%
79%
5
Dec 05
40°F
4°C
0.47
75%
90%
10
Dec 06
36°F
2°C
0.0
56%
52%
11
Dec 07
25°F
-4°C
0.0
50%
68%
7
Dec 08
31°F
-1°C
0.0
62%
61%
6
Dec 09
43°F
6°C
0.0
67%
51%
8
Dec 10
48°F
9°C
0.71
84%
70%
7
Dec 11
53°F
12°C
0.32
76%
54%
12
Dec 12
48°F
9°C
0.0
55%
0%
15
Dec 13
50°F
10°C
0.0
63%
0%
10
Dec 14
50°F
10°C
0.06
81%
35%
9
Dec 15
65°F
18°C
0.04
84%
100%
20
Dec 16
65°F
18°C
0.02
62%
41%
19
Dec 17
38°F
3°C
0.04
68%
34%
6
Dec 18
39°F
4°C
0.12
74%
98%
7
Dec 19
37°F
3°C
0.0
67%
43%
8
Dec 20
40°F
4°C
0.0
71%
2%
11
Dec 21
39°F
4°C
0.0
68%
18%
11
Dec 22
29°F
-2°C
0.0
60%
45%
7
Dec 23
43°F
6°C
0.0
70%
53%
7
Dec 24
51°F
11°C
0.0
93%
77%
6
Dec 25
52°F
11°C
0.12
75%
47%
6
Dec 26
39°F
4°C
0.1
80%
51%
9
Dec 27
45°F
7°C
0.47
84%
64%
10
Dec 28
37°F
3°C
0.37
84%
77%
7
Dec 29
37°F
3°C
0.06
76%
77%
6
Dec 30
36°F
2°C
0.0
82%
100%
5
Dec 31
39°F
4°C
0.06
86%
100%
6

Six Flags Great America Weather Statistics

STATISTIC VALUE
Average Temperature
60°F
Minimum Daily Temperature
2°F
Maximum Daily Temperature
96°F
Warmest Week
2021-08-23
Coldest Week
2021-02-08
Number of Average Days
0
Number of Cold Wait Days
47
Number of Colder Wait Days
80
Number of Coldest Wait Days
50
Number of Warm Wait Days
37
Number of Warmer Wait Days
26
Number of Warmest Wait Days
17

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