Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 29

Waxing Gibbous 68%

13:01

01:31

02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 Bad
17 OK
18 Good
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:01, Set: 16:16, Transit: 11:39. Moon - Rise: 13:01, Set: 01:31. Civil Dark: 16:48 - 06:29. Nautical Dark: 17:23 - 05:54. Astro Dark: 17:57 - 05:20

Total Clouds (% Sky Obscured)

85
79
74
62
34
44
41
41
38
29
36
23
28
42
61
35
14
51
89
72
89
97
100
96

Low Clouds (% Sky Obscured)

26
26
27
31
34
44
41
41
38
29
35
22
28
1
0
0
0
0
0
0
0
19
25
35

Medium Clouds (% Sky Obscured)

31
9
7
4
0
0
0
0
0
0
0
0
0
0
0
0
1
24
56
57
87
96
100
95

High Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
0
1
1
2
42
61
35
14
44
81
69
68
74
100
88

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
10
10
10
11
12
13
13
12
11
10
8
8
5
3
2
1
1
2
3
2
2

Chance of Frost

Temperature (°C)

-3
-3
-3
-3
-3
-3
-3
-2
-1
-1
1
1
1
1
-0
-1
-2
-3
-3
-3
-3
-4
-4
-4

Feels Like (°C)

-7
-7
-7
-7
-6
-7
-7
-6
-6
-6
-4
-4
-3
-2
-5
-5
-6
-4
-6
-6
-7
-7
-7
-7

Dew Point (°C)

-8
-8
-9
-9
-8
-9
-9
-9
-9
-10
-10
-10
-10
-9
-9
-8
-8
-8
-8
-8
-8
-9
-8
-9

Relative Humidity (%)

65
67
66
66
68
66
63
58
54
47
46
43
44
49
53
60
63
67
68
68
68
68
69
66

Pressure (mb)

1019
1020
1021
1021
1023
1024
1025
1026
1027
1027
1027
1028
1028
1029
1030
1031
1032
1033
1033
1032
1032
1033
1033
1032

Ozone (du)

335
334
331
333
329
331
330
328
327
325
324
324
324
325
323
321
321
319
319
316
316
315
313
313

Sunday 30

Waxing Gibbous 79%

13:22

No Set

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:02, Set: 16:16, Transit: 11:39. Moon - Rise: 13:22, Set: No Set. Civil Dark: 16:47 - 06:31. Nautical Dark: 17:23 - 05:55. Astro Dark: 17:57 - 05:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
97
81
84
82
69
74
50

Low Clouds (% Sky Obscured)

61
45
30
97
87
89
91
93
94
95
97
99
99
97
98
96
87
72
46
57
82
62
74
48

Medium Clouds (% Sky Obscured)

100
100
100
95
87
98
100
100
100
96
100
100
100
79
46
45
19
14
0
0
13
1
0
7

High Clouds (% Sky Obscured)

100
100
73
100
100
52
32
47
100
100
100
89
99
100
100
33
54
85
79
71
0
3
0
0

ISS Passover

Visibility (miles)

9
9
9
4
3
3
2
1
1
3
3
0
0
0
0
0
7
9
9
9
3
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
Snow
None
Snow
None
None
Snow
Snow
Snow
Snow
Snow
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
1
19
30
38
28
38
30
30
52
64
95
95
95
95
69
48
7
14
21
23
12
1
0

Precipitation Amount (mm)

0
0
0
0
0.1
0
0.1
0
0
0.2
0.2
0.6
1.1
0.8
0.6
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
3
3
4
5
5
6
7
7
7
8
7
8
10
10
10
9
9
7
8
9
10
11
11

Chance of Frost

Temperature (°C)

-3
-3
-3
-3
-3
-3
-2
-1
-1
0
1
2
2
1
2
3
3
3
3
3
3
2
1
1

Feels Like (°C)

-7
-7
-6
-6
-6
-6
-7
-5
-5
-4
-3
-2
-2
-3
-3
-2
-1
-1
-2
-1
-2
-3
-4
-4

Dew Point (°C)

-8
-7
-7
-6
-6
-5
-5
-4
-3
-2
-2
1
1
1
2
2
2
1
0
-0
1
-1
-2
-2

Relative Humidity (%)

72
75
76
81
81
84
82
83
83
86
84
94
96
98
98
96
94
88
85
82
89
80
78
78

Pressure (mb)

1032
1032
1032
1031
1030
1029
1029
1028
1027
1025
1022
1020
1019
1018
1017
1016
1016
1016
1015
1015
1015
1015
1016
1016

Ozone (du)

315
318
319
321
322
323
324
326
329
328
330
333
334
336
336
337
340
343
346
351
355
361
365
370

Monday 1

Waxing Gibbous 88%

13:46

02:47

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 OK
08 OK
09 OK
10 OK
11 Good
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:03, Set: 16:15, Transit: 11:39. Moon - Rise: 13:46, Set: 02:47. Civil Dark: 16:47 - 06:32. Nautical Dark: 17:23 - 05:56. Astro Dark: 17:57 - 05:22

Total Clouds (% Sky Obscured)

50
50
69
43
46
41
36
20
26
9
16
61
63
90
72
77
81
88
95
100
100
100
100
100

Low Clouds (% Sky Obscured)

50
50
69
40
46
28
21
13
24
9
4
0
0
0
0
1
2
2
2
2
2
3
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
56
63
62
40
27
32
49
84
100
99
99
97
98

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
15
61
40
76
72
70
70
76
89
82
95
98
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
5
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
13
13
12
12
13
12
11
11
11
10
10
9
7
5
3
2
1
1
1
1
2
2
2

Chance of Frost

Temperature (°C)

1
1
1
0
-1
-2
-3
-4
-4
-4
-3
-3
-3
-3
-4
-4
-5
-6
-6
-6
-6
-6
-6
-6

Feels Like (°C)

-4
-5
-5
-5
-5
-7
-8
-8
-8
-8
-7
-7
-7
-7
-8
-8
-9
-9
-9
-9
-8
-9
-9
-9

Dew Point (°C)

-3
-3
-3
-4
-4
-6
-7
-9
-10
-11
-12
-12
-12
-11
-10
-9
-9
-9
-9
-10
-10
-9
-10
-10

Relative Humidity (%)

78
78
78
77
78
75
73
69
63
56
51
48
48
55
61
72
76
77
74
71
73
74
71
73

Pressure (mb)

1017
1017
1018
1019
1021
1023
1024
1026
1027
1027
1027
1027
1027
1027
1028
1028
1029
1029
1029
1028
1028
1027
1027
1026

Ozone (du)

378
389
393
397
395
395
400
396
394
390
383
382
377
377
383
379
374
371
371
370
368
364
361
359

Tuesday 2

Waxing Gibbous 95%

14:14

04:07

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:04, Set: 16:15, Transit: 11:40. Moon - Rise: 14:14, Set: 04:07. Civil Dark: 16:47 - 06:33. Nautical Dark: 17:23 - 05:57. Astro Dark: 17:57 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
82
82

Low Clouds (% Sky Obscured)

1
14
82
88
90
88
96
96
97
97
97
97
98
98
99
99
99
99
98
97
89
68
45
51

Medium Clouds (% Sky Obscured)

89
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
95
94
82
82

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
67
33
0
20
41
61
41

ISS Passover

Visibility (miles)

9
9
9
9
2
9
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
7
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
Snow
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
1
9
34
43
38
74
87
95
95
95
95
95
95
95
95
95
95
95
90
83
71
69
72

Precipitation Amount (mm)

0
0
0
0
0.1
0
0.4
0.6
1.4
1.9
1.6
2.2
3.9
5
4.3
5.4
3.2
0.6
0.7
0.5
0.5
0.3
0.4
0.4

Wind Speed/Direction (mph)

2
3
4
4
4
3
3
3
3
2
3
3
3
3
4
4
4
4
4
4
5
6
7
8

Chance of Frost

Temperature (°C)

-6
-5
-5
-5
-5
-4
-4
-4
-4
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-4
-4

Feels Like (°C)

-9
-8
-9
-9
-8
-8
-8
-7
-6
-6
-6
-6
-6
-6
-7
-7
-6
-7
-6
-6
-7
-7
-8
-8

Dew Point (°C)

-10
-9
-10
-10
-8
-7
-7
-6
-5
-5
-4
-4
-4
-4
-4
-4
-3
-3
-3
-3
-4
-4
-5
-6

Relative Humidity (%)

73
72
66
64
75
81
82
85
89
91
92
94
96
98
96
98
98
98
96
98
96
94
91
87

Pressure (mb)

1026
1025
1024
1024
1023
1023
1022
1021
1021
1019
1017
1016
1014
1013
1011
1010
1009
1008
1007
1006
1005
1005
1005
1005

Ozone (du)

359
356
356
356
354
353
354
352
351
350
350
348
348
345
343
342
340
344
343
345
347
347
349
349

Wednesday 3

Waxing Gibbous 99%

14:50

05:32

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:05, Set: 16:15, Transit: 11:40. Moon - Rise: 14:50, Set: 05:32. Civil Dark: 16:47 - 06:33. Nautical Dark: 17:22 - 05:58. Astro Dark: 17:57 - 05:23

Total Clouds (% Sky Obscured)

78
77
68
67
62
58
54
48
47
47
37
52
60
67
60
53
52
70
90
100
100
100
100
95

Low Clouds (% Sky Obscured)

65
77
57
36
15
29
42
48
47
47
37
50
60
67
49
24
0
14
29
43
43
44
44
53

Medium Clouds (% Sky Obscured)

78
77
57
23
0
0
0
0
0
0
0
1
3
9
36
53
52
70
90
99
75
51
28
37

High Clouds (% Sky Obscured)

19
0
21
38
57
38
17
0
0
0
0
8
16
25
38
52
52
70
73
60
80
93
100
90

ISS Passover

Visibility (miles)

9
7
7
7
7
7
7
9
9
9
9
9
9
9
9
7
5
3
3
3
3
3
3
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

71
71
65
56
44
26
10
1
3
0
0
4
2
0
1
2
0
0
0
0
6
10
10
19

Precipitation Amount (mm)

0.4
0.3
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
7
7
7
8
8
7
8
8
8
8
7
6
5
3
3
3
3
3
3
4
4
5

Chance of Frost

Temperature (°C)

-4
-5
-5
-5
-6
-5
-5
-4
-3
-3
-2
-2
-2
-3
-4
-5
-6
-7
-7
-7
-7
-7
-6
-6

Feels Like (°C)

-8
-8
-8
-8
-9
-9
-8
-6
-5
-5
-5
-4
-3
-4
-4
-4
-3
-3
-10
-10
-9
-10
-10
-10

Dew Point (°C)

-6
-7
-7
-7
-8
-7
-7
-6
-6
-6
-6
-5
-5
-5
-5
-6
-7
-8
-8
-8
-8
-8
-7
-6

Relative Humidity (%)

87
85
87
87
87
87
87
85
82
81
76
76
82
87
90
92
92
92
92
92
92
92
94
94

Pressure (mb)

1006
1006
1007
1008
1009
1011
1012
1012
1013
1014
1014
1014
1013
1014
1014
1015
1015
1016
1016
1015
1015
1015
1015
1014

Ozone (du)

347
344
344
343
341
340
336
335
333
331
327
324
324
323
322
325
327
329
335
341
346
348
350
352

Thursday 4

Full Moon 100%

15:37

06:57

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 Good
19 Good
20 Good
21 Good
22 Good
23 OK
00 OK
01 OK

Sun - Rise: 07:06, Set: 16:15, Transit: 11:41. Moon - Rise: 15:37, Set: 06:57. Civil Dark: 16:47 - 06:34. Nautical Dark: 17:22 - 05:59. Astro Dark: 17:57 - 05:24

Total Clouds (% Sky Obscured)

90
84
77
71
64
55
47
38
55
67
78
78
86
81
54
31
7
6
5
5
5
7
8
10

Low Clouds (% Sky Obscured)

62
72
72
71
64
55
47
38
45
40
45
44
47
57
42
23
4
3
3
3
5
7
8
8

Medium Clouds (% Sky Obscured)

50
63
55
47
39
27
14
2
3
4
5
6
6
7
5
2
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

84
71
38
15
2
2
0
0
1
1
3
2
1
1
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
5
5
6
6
7
8
8
9
7
6
4
6
7
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

18
12
18
19
18
24
26
23
30
31
26
26
22
15
14
11
1
1
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
4
4
3
4
6
8
8
10
12
11
11
11
10
9
8
7
5
4
3
2
2

Chance of Frost

Temperature (°C)

-5
-5
-5
-5
-5
-5
-3
-1
0
0
-1
-1
-2
-4
-6
-7
-9
-10
-12
-14
-15
-17
-18
-18

Feels Like (°C)

-9
-10
-10
-9
-8
-8
-8
-8
-8
-7
-7
-6
-5
-5
-6
-6
-7
-8
-14
-13
-13
-14
-14
-15

Dew Point (°C)

-6
-6
-6
-6
-6
-6
-5
-3
-2
-2
-3
-3
-4
-7
-9
-10
-11
-13
-14
-16
-18
-19
-20
-21

Relative Humidity (%)

92
92
92
92
92
92
89
86
84
84
86
86
84
82
80
82
82
81
81
81
81
80
80
78

Pressure (mb)

1014
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1014
1015
1016
1018
1019
1021
1022
1023
1023
1024
1025
1025

Ozone (du)

354
356
358
360
362
363
360
357
354
354
353
353
356
360
363
368
373
378
378
378
378
372
365
359

Friday 5

Waning Gibbous 97%

16:38

08:15

Sun - Rise: 07:07, Set: 16:15, Transit: 11:41. Moon - Rise: 16:38, Set: 08:15. Civil Dark: 16:47 - 06:35. Nautical Dark: 17:22 - 06:00. Astro Dark: 17:57 - 05:25

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Chester, Windsor, United States of America (43.26,-72.60)

Generated: 29/11/25 02:35:08. Forecast: 29/11/25 to 05/12/25. Timezone: UTC-5.00