Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 1

Waxing Gibbous 88%

13:46

04:07

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

Sun - Rise: 07:04, Set: 16:15, Transit: 11:40. Moon - Rise: 13:46, 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)

39
32
22
17
87
85
100
99
78
86
71
82
84
98
98
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
28
6
14
0
0
0
0
1
1
0
1
1
1
0
5
0
0
99
97
90
93
100
97

Medium Clouds (% Sky Obscured)

0
0
0
0
21
83
100
98
75
75
47
76
74
94
93
85
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
17
87
73
100
43
49
30
60
58
63
65
90
100
100
100
100
100
100
100
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
8
1
0
0
0

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
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
7
31
71
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
1.1
1
1

Wind Speed/Direction (mph)

11
10
9
7
5
3
3
2
1
2
1
1
2
2
2
3
3
3
4
3
2
1
1
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-9
-10
-10
-8
-6
-7
-7
-8
-8
-9
-9
-10
-10
-11
-11
-11
-11
-10
-9
-8
-6
-6
-5

Relative Humidity (%)

53
50
48
54
64
79
78
79
82
82
79
84
76
74
71
66
66
63
66
70
82
90
90
91

Pressure (mb)

1025
1025
1026
1026
1027
1027
1028
1028
1028
1028
1027
1027
1026
1026
1025
1024
1024
1023
1023
1022
1021
1020
1019
1018

Ozone (du)

397
395
391
387
382
385
384
381
374
368
365
364
363
365
367
366
366
363
364
359
356
358
360
356

Tuesday 2

Waxing Gibbous 95%

14:14

05:32

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
02 Bad
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 Bad
10 Bad
11 Bad

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

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
100
99
99
96
95
94
84
39
21
19
25
26
23
20
58
100
100

Low Clouds (% Sky Obscured)

99
97
94
97
97
96
94
93
94
94
85
88
89
80
17
16
16
23
24
23
3
6
3
3

Medium Clouds (% Sky Obscured)

100
100
100
100
100
98
94
98
97
97
91
90
70
60
16
0
0
0
0
0
0
50
98
100

High Clouds (% Sky Obscured)

100
100
100
100
100
61
55
37
11
0
0
0
0
0
0
0
0
0
0
0
11
41
96
89

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
7
9
8
9
8
7
6
6
5
8
9
9
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
74
48
34
21
9
3
3
0
0
0
0
3
0
0
0

Precipitation Amount (mm)

1.2
1.2
1.3
1.3
1.5
1.5
1
0.8
0.6
0.3
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
92
94
94
96
96
96
96
98
98
96
96
94
94
91
87
87
89
90
90
90
85
79
74

Pressure (mb)

1017
1015
1014
1012
1011
1011
1010
1009
1009
1008
1008
1008
1008
1009
1010
1010
1011
1013
1014
1015
1016
1017
1018
1017

Ozone (du)

354
352
351
350
350
350
351
356
357
361
365
367
365
365
362
364
361
358
350
341
339
340
342
337

Wednesday 3

Waxing Gibbous 99%

14:50

06:57

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

Sun - Rise: 07:06, Set: 16:15, Transit: 11:41. Moon - Rise: 14:50, 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)

95
57
46
80
91
98
100
100
100
100
100
100
100
76
100
87
99
99
99
99
99
100
98
97

Low Clouds (% Sky Obscured)

0
10
7
1
4
3
3
11
68
49
70
55
9
30
42
34
27
37
32
34
55
77
79
86

Medium Clouds (% Sky Obscured)

95
39
34
69
55
96
100
100
100
100
100
100
88
68
68
64
96
95
88
88
88
91
83
81

High Clouds (% Sky Obscured)

47
15
9
40
67
66
100
100
100
100
100
100
100
65
100
76
81
70
65
72
88
95
78
69

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
5
3
4
9
7
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
2
6
13
11
14
15
23
34

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-3
-2
-5
-6
-7
-7
-8
-8
-7
-7
-8
-9
-8
-9
-9
-9
-9
-8
-6
-4
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

70
68
68
78
91
94
94
94
94
92
92
91
94
96
92
92
92
92
92
94
89
87
83
83

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1013
1013
1013
1012
1012
1011
1011
1010

Ozone (du)

331
329
329
326
326
330
334
338
346
353
357
362
368
369
368
368
369
369
367
365
365
367
367
368

Thursday 4

Full Moon 100%

15:37

08:15

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

Sun - Rise: 07:07, Set: 16:15, Transit: 11:41. Moon - Rise: 15:37, 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)

96
96
45
42
35
22
19
13
8
2
1
0
0
0
1
1
1
1
1
11
22
44
39
36

Low Clouds (% Sky Obscured)

85
90
31
25
19
6
8
2
5
2
1
0
0
0
1
1
1
1
1
3
3
1
1
0

Medium Clouds (% Sky Obscured)

75
14
12
19
15
9
0
0
0
0
0
0
0
0
0
0
0
0
0
11
22
37
32
25

High Clouds (% Sky Obscured)

39
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
2
8
9
8
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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

41
43
42
22
16
7
2
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.1
0.1
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)

9
11
12
12
12
12
11
12
12
11
11
9
6
4
2
2
2
2
2
2
2
3
4
4

Chance of Frost

Temperature (°C)

1
1
-1
-3
-5
-7
-8
-9
-10
-11
-12
-13
-14
-15
-16
-16
-16
-16
-16
-17
-15
-13
-11
-9

Feels Like (°C)

-4
-3
-6
-7
-9
-12
-12
-14
-15
-16
-17
-17
-17
-17
-17
-18
-18
-18
-18
-18
-16
-15
-15
-13

Dew Point (°C)

-2
-1
-4
-5
-8
-11
-12
-14
-15
-16
-17
-18
-18
-18
-18
-18
-18
-19
-19
-19
-18
-17
-16
-15

Relative Humidity (%)

83
88
78
81
79
73
70
64
66
69
70
70
72
73
78
81
81
80
80
80
76
71
69
65

Pressure (mb)

1010
1009
1011
1013
1015
1017
1019
1020
1021
1023
1024
1025
1025
1026
1026
1027
1027
1027
1028
1028
1028
1028
1027
1026

Ozone (du)

369
370
378
383
369
369
373
376
375
377
378
375
372
371
369
366
363
361
358
357
354
351
344
341

Friday 5

Waning Gibbous 97%

16:38

09:20

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

Sun - Rise: 07:08, Set: 16:15, Transit: 11:41. Moon - Rise: 16:38, Set: 09:20. Civil Dark: 16:47 - 06:36. Nautical Dark: 17:22 - 06:01. Astro Dark: 17:57 - 05:26

Total Clouds (% Sky Obscured)

28
29
29
25
53
75
100
99
97
93
90
98
75
65
79
90
85
80
73
75
81
86
88
91

Low Clouds (% Sky Obscured)

0
1
2
1
1
9
10
19
25
33
42
52
61
6
2
0
0
0
0
0
1
0
0
0

Medium Clouds (% Sky Obscured)

17
13
15
10
43
75
100
86
62
62
59
89
47
59
73
69
36
27
30
50
69
86
80
66

High Clouds (% Sky Obscured)

0
0
5
5
37
72
86
85
75
70
40
40
3
17
30
43
46
49
42
57
75
86
84
83

ISS Passover

Visibility (miles)

9
9
9
9
9
3
3
3
3
3
3
4
4
4
4
4
4
6
7
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
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
6
7
6
5
4
4
4
4
3
2
2
2
2
2
2
1
1
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

-8
-7
-6
-6
-7
-9
-9
-10
-11
-12
-12
-12
-11
-11
-11
-12
-12
-11
-10
-10
-8
-6
-4
-3

Feels Like (°C)

-12
-10
-11
-10
-11
-12
-12
-14
-14
-15
-15
-15
-14
-14
-13
-14
-14
-15
-15
-16
-13
-12
-12
-11

Dew Point (°C)

-14
-12
-11
-9
-9
-10
-10
-11
-12
-13
-14
-14
-12
-13
-12
-13
-13
-13
-12
-12
-10
-9
-7
-5

Relative Humidity (%)

61
63
69
79
90
92
92
92
90
90
88
88
88
86
88
88
88
88
86
88
85
84
84
82

Pressure (mb)

1024
1022
1021
1021
1020
1020
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015

Ozone (du)

337
334
336
336
335
329
329
328
327
325
325
323
319
317
312
307
301
299
296
293
293
293
293
293

Saturday 6

Waning Gibbous 92%

17:51

10:10

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:09, Set: 16:14, Transit: 11:42. Moon - Rise: 17:51, Set: 10:10. Civil Dark: 16:47 - 06:37. Nautical Dark: 17:22 - 06:01. Astro Dark: 17:57 - 05:27

Total Clouds (% Sky Obscured)

93
91
90
90
94
96
98
98
99
100
100
100
100
100
100
100
98
96
94
86
83
80
82
89

Low Clouds (% Sky Obscured)

1
0
0
0
11
22
32
31
30
30
41
49
54
42
31
26
38
47
55
54
56
57
70
86

Medium Clouds (% Sky Obscured)

52
54
58
62
75
87
98
95
90
86
91
95
100
100
100
100
98
96
94
86
83
80
70
36

High Clouds (% Sky Obscured)

83
81
72
66
72
75
72
68
80
86
91
90
100
97
96
95
72
48
25
25
15
5
5
12

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
6
6
6
6
7
8
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
1
1
1
2
2
2
4
5
5
12
14
8
18
18

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)

2
3
2
2
2
2
2
2
2
2
2
1
1
1
1
2
2
2
3
3
3
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-11
-3
-4
-4
-4
-4
-4
-8
-9
-9
-9
-8
-8
-7
-7
-7
-8
-8
-9
-6
-6
-5
-4

Dew Point (°C)

-4
-3
-3
-3
-3
-4
-5
-6
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-3
-1
1
1

Relative Humidity (%)

81
81
86
89
96
96
96
94
96
96
94
94
96
96
96
94
96
96
96
96
96
94
94
93

Pressure (mb)

1014
1013
1013
1013
1013
1013
1013
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

292
292
291
290
289
290
290
291
293
295
296
295
294
293
292
292
291
293
296
298
301
305
308
312

Sunday 7

Waning Gibbous 84%

19:09

10:47

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

Sun - Rise: 07:10, Set: 16:14, Transit: 11:42. Moon - Rise: 19:09, Set: 10:47. Civil Dark: 16:47 - 06:38. Nautical Dark: 17:22 - 06:02. Astro Dark: 17:57 - 05:28

Total Clouds (% Sky Obscured)

92
82
73
62
64
63
59
63
67
66
45
25
3
3
2
2
2
2
2

Low Clouds (% Sky Obscured)

92
82
73
60
53
43
35
24
12
0
0
0
0
0
1
1
1
2
2

Medium Clouds (% Sky Obscured)

8
6
3
0
0
0
0
1
2
3
2
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

15
10
7
1
3
3
3
0
0
0
8
8
1
1
1
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

15
18
21
18
21
17
7
7
5
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

Wind Speed/Direction (mph)

6
8
9
11
13
12
11
10
10
9
9
7
6
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

2
2
0
-2
-4
-6
-7
-9
-11
-12
-13
-13
-14
-14
-15
-15
-15
-15
-15

Feels Like (°C)

-4
-3
-2
-3
-4
-5
-5
-6
-15
-15
-15
-16
-16
-17
-18
-18
-17
-17
-17

Dew Point (°C)

0
-0
-2
-5
-7
-9
-11
-13
-15
-17
-18
-18
-18
-18
-18
-18
-18
-18
-18

Relative Humidity (%)

89
88
84
81
78
77
74
74
69
66
62
66
70
74
75
77
77
79
81

Pressure (mb)

1012
1012
1013
1015
1016
1017
1019
1020
1021
1022
1024
1024
1024
1025
1025
1026
1026
1027
1027

Ozone (du)

316
319
319
319
319
320
320
321
327
332
338
339
339
340
341
342
343
345
347

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

Generated: 01/12/25 12:52:32. Forecast: 01/12/25 to 07/12/25. Timezone: UTC-5.00