Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 11

Third Quarter 44%

23:58

12:16

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

Sun - Rise: 07:14, Set: 16:15, Transit: 11:44. Moon - Rise: 23:58, Set: 12:16. Civil Dark: 16:47 - 06:41. Nautical Dark: 17:23 - 06:05. Astro Dark: 17:58 - 05:31

Total Clouds (% Sky Obscured)

90
86
70
48
13
24
25
29
2
1
9
17
26
31
53
58
35
28
25
17
21
17
6
3

Low Clouds (% Sky Obscured)

22
21
1
1
1
1
1
0
0
0
9
17
26
31
53
58
35
28
25
17
21
17
4
0

Medium Clouds (% Sky Obscured)

32
28
11
6
10
19
17
15
0
0
0
0
0
0
0
0
0
5
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
2
25
29
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
1
1
0
0
1
0
0
1
3
1
3
3
3
4
2
1
1
2
2
1
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)

14
14
13
13
14
14
13
14
15
14
14
15
15
15
15
14
13
13
13
12
11
10
9
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-14
-15
-16
-17
-16
-17
-17
-17
-17
-16
-14
-12
-11
-10
-9
-8
-8
-7
-8
-9
-9
-9
-9
-8

Dew Point (°C)

-13
-13
-14
-16
-16
-16
-16
-16
-16
-15
-14
-12
-11
-9
-8
-7
-6
-6
-8
-8
-9
-9
-9
-9

Relative Humidity (%)

70
69
71
69
69
67
67
67
65
65
65
67
67
68
69
72
76
79
75
75
74
76
77
80

Pressure (mb)

1005
1005
1006
1007
1007
1008
1008
1008
1009
1009
1010
1011
1010
1010
1010
1011
1011
1012
1013
1014
1015
1015
1016
1016

Ozone (du)

377
368
374
376
371
364
360
359
355
349
338
339
343
338
337
343
346
353
361
353
352
349
349
351

Friday 12

Waning Crescent 34%

01:02

12:34

23 Good
00 Bad
01 Bad
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

Sun - Rise: 07:14, Set: 16:15, Transit: 11:45. Moon - Rise: 01:02, Set: 12:34. Civil Dark: 16:47 - 06:42. Nautical Dark: 17:23 - 06:06. Astro Dark: 17:58 - 05:31

Total Clouds (% Sky Obscured)

6
49
60
73
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

5
49
48
33
35
7
3
3
17
5
6
76
67
41
86
94
92
90
54
31
81
83
73
75

Medium Clouds (% Sky Obscured)

0
0
28
48
100
100
100
100
100
100
97
100
99
100
81
100
100
100
100
100
99
98
97
95

High Clouds (% Sky Obscured)

0
0
3
60
100
100
80
45
49
23
30
50
40
98
100
100
100
100
100
91
100
100
100
100

ISS Passover

Visibility (miles)

9
9
8
8
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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 (%)

2
1
1
1
2
1
0
0
0
0
0
0
10
19
19
11
12
8
5
9
21
21
17
5

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)

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

Chance of Frost

Temperature (°C)

-6
-8
-8
-8
-8
-8
-8
-8
-8
-8
-6
-4
-3
-2
-1
-1
-1
-1
-1
-2
-2
-2
-3
-3

Feels Like (°C)

-8
-9
-9
-10
-11
-12
-11
-11
-11
-11
-10
-7
-7
-6
-6
-5
-5
-5
-5
-5
-6
-6
-7
-8

Dew Point (°C)

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

Relative Humidity (%)

85
90
92
90
92
90
90
90
92
87
82
78
75
69
68
75
81
83
89
92
92
91
79
75

Pressure (mb)

1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1016
1015
1014
1013
1014
1014
1014
1014
1014
1014
1014
1015

Ozone (du)

341
344
352
361
361
358
368
372
370
372
378
372
371
368
366
362
351
346
343
340
337
336
333
335

Saturday 13

Waning Crescent 25%

02:06

12:53

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

Sun - Rise: 07:15, Set: 16:15, Transit: 11:45. Moon - Rise: 02:06, Set: 12:53. Civil Dark: 16:47 - 06:43. Nautical Dark: 17:23 - 06:07. Astro Dark: 17:58 - 05:32

Total Clouds (% Sky Obscured)

100
100
96
96
90
88
85
83
55
45
38
5
13
82
91
91
56
32
17
21
14
12
9
4

Low Clouds (% Sky Obscured)

72
63
48
29
11
26
12
11
9
7
7
5
10
82
91
91
56
32
16
20
14
11
7
3

Medium Clouds (% Sky Obscured)

100
100
96
95
87
82
80
78
55
45
38
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
20
8
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
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 (%)

2
1
0
0
0
0
0
1
0
1
0
1
2
5
5
8
6
6
5
3
4
9
1
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)

6
5
4
3
3
3
3
3
3
3
4
6
8
8
9
9
8
7
6
7
5
5
6
6

Chance of Frost

Temperature (°C)

-5
-5
-6
-7
-7
-8
-9
-9
-10
-10
-8
-6
-5
-5
-4
-5
-5
-6
-9
-9
-10
-10
-10
-11

Feels Like (°C)

-9
-10
-10
-10
-11
-12
-12
-13
-14
-12
-10
-9
-9
-8
-10
-10
-10
-10
-11
-12
-12
-12
-13
-13

Dew Point (°C)

-9
-10
-10
-10
-10
-10
-11
-11
-12
-12
-11
-11
-12
-12
-12
-12
-11
-11
-12
-12
-13
-12
-13
-13

Relative Humidity (%)

69
72
77
80
82
83
83
85
85
81
75
66
59
55
53
58
63
69
77
80
83
87
81
83

Pressure (mb)

1015
1015
1015
1016
1016
1015
1015
1016
1016
1016
1016
1016
1016
1015
1014
1014
1015
1015
1016
1016
1017
1017
1017
1017

Ozone (du)

339
342
343
343
338
339
347
352
353
356
364
366
366
360
363
364
366
363
357
351
350
351
353
355

Sunday 14

Waning Crescent 18%

03:10

13:14

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

Sun - Rise: 07:16, Set: 16:15, Transit: 11:46. Moon - Rise: 03:10, Set: 13:14. Civil Dark: 16:48 - 06:43. Nautical Dark: 17:24 - 06:07. Astro Dark: 17:58 - 05:33

Total Clouds (% Sky Obscured)

3
9
10
8
5
4
4
3
2
2
3
35
49
57
71
79
90
98
100
100
98
100
100
99

Low Clouds (% Sky Obscured)

3
7
8
8
5
4
4
3
2
2
3
5
6
7
6
6
3
6
6
4
8
55
50
35

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
35
28
57
71
71
83
98
100
100
98
100
100
98

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
4
10
12
42
66
90
98
100
100
73
47
20
14

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
1
1
3
1
2
2
1
1
0
0
1
0
0
0
0
0
0
0
0
2
8
9
21

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

Chance of Frost

Temperature (°C)

-12
-13
-13
-13
-14
-14
-14
-14
-14
-13
-11
-10
-9
-9
-8
-8
-8
-8
-8
-9
-9
-9
-9
-10

Feels Like (°C)

-14
-16
-17
-17
-17
-17
-17
-17
-17
-16
-15
-14
-14
-14
-14
-14
-13
-13
-14
-14
-14
-13
-13
-14

Dew Point (°C)

-15
-17
-17
-17
-18
-18
-18
-18
-18
-17
-17
-17
-16
-16
-15
-14
-13
-13
-13
-13
-13
-13
-12
-12

Relative Humidity (%)

79
71
71
71
71
71
71
70
70
68
63
58
55
55
57
62
65
68
69
71
68
72
81
85

Pressure (mb)

1018
1018
1018
1018
1019
1019
1020
1021
1021
1022
1022
1022
1021
1020
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

349
347
348
352
366
378
372
361
329
331
317
301
287
282
286
293
299
298
296
297
304
310
313
325

Monday 15

Waning Crescent 11%

04:14

13:39

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

Sun - Rise: 07:16, Set: 16:16, Transit: 11:46. Moon - Rise: 04:14, Set: 13:39. Civil Dark: 16:48 - 06:44. Nautical Dark: 17:24 - 06:08. Astro Dark: 17:59 - 05:33

Total Clouds (% Sky Obscured)

94
86
92
99
90
96
92
68
53
41
26
33
55
79
84
91
99
99
99
99
89
86
80
81

Low Clouds (% Sky Obscured)

50
45
50
54
44
34
31
27
27
28
26
33
53
74
40
19
0
0
0
0
0
0
0
2

Medium Clouds (% Sky Obscured)

94
86
92
89
90
92
87
52
31
15
0
0
0
0
28
57
65
42
30
40
59
77
80
81

High Clouds (% Sky Obscured)

7
0
0
0
0
3
0
0
0
0
0
0
0
0
27
38
50
65
80
99
89
86
80
79

ISS Passover

Visibility (miles)

7
5
7
3
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 (%)

21
16
28
25
18
18
14
7
9
7
2
5
4
2
3
7
1
3
4
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)

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

Chance of Frost

Temperature (°C)

-10
-9
-9
-9
-8
-8
-9
-10
-11
-10
-8
-6
-5
-4
-4
-4
-5
-6
-6
-6
-7
-7
-7
-7

Feels Like (°C)

-14
-12
-12
-12
-13
-12
-13
-14
-13
-12
-10
-8
-8
-8
-8
-8
-8
-7
-8
-8
-9
-11
-11
-11

Dew Point (°C)

-12
-11
-11
-10
-10
-11
-11
-11
-12
-12
-12
-11
-11
-10
-10
-9
-8
-8
-8
-8
-9
-9
-9
-9

Relative Humidity (%)

86
88
88
88
85
83
83
90
90
83
74
69
63
61
61
69
76
85
85
85
85
85
85
83

Pressure (mb)

1018
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1020
1019
1019
1019
1020
1020
1021
1021
1021
1022
1022
1021
1021

Ozone (du)

334
341
352
353
354
353
348
343
348
347
340
329
314
302
288
283
279
274
270
265
261
262
262
263

Tuesday 16

Waning Crescent 6%

05:19

14:10

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:17, Set: 16:16, Transit: 11:47. Moon - Rise: 05:19, Set: 14:10. Civil Dark: 16:48 - 06:45. Nautical Dark: 17:25 - 06:09. Astro Dark: 17:59 - 05:34

Total Clouds (% Sky Obscured)

82
83
87
93
97
93
91
90
92
93
95
96
96
97
98
100
100
98
97
96
90
89
89
93

Low Clouds (% Sky Obscured)

3
4
0
0
0
0
0
3
28
54
78
78
80
84
82
81
85
86
85
79
73
75
76
80

Medium Clouds (% Sky Obscured)

82
83
67
37
7
4
2
0
15
29
44
43
43
42
50
59
67
78
89
96
67
33
0
1

High Clouds (% Sky Obscured)

71
79
71
74
80
73
73
65
64
86
91
90
80
88
66
48
35
31
27
23
21
12
5
36

ISS Passover

Visibility (miles)

9
9
9
8
7
6
7
8
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
1
2
12
16
21
21
17
1
1
1
0
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-11
-10
-11
-10
-10
-11
-11
-12
-11
-10
-9
-9
-9
-8
-2
-3
-2
-3
-3
-3
-2
-2
-2

Dew Point (°C)

-9
-9
-9
-9
-9
-9
-9
-9
-9
-8
-6
-5
-4
-3
-2
-1
-1
1
1
1
1
0
1
1

Relative Humidity (%)

85
87
88
90
90
92
92
92
90
87
84
79
80
81
80
83
88
93
91
89
89
88
88
86

Pressure (mb)

1021
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1015
1014
1013
1012
1012
1012
1012
1013
1013
1014
1014
1015
1015

Ozone (du)

262
262
262
261
261
261
263
265
266
268
269
270
272
274
276
279
281
284
286
288
290
290
290
290

Wednesday 17

Waning Crescent 2%

06:22

14:47

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:18, Set: 16:16, Transit: 11:47. Moon - Rise: 06:22, Set: 14:47. Civil Dark: 16:49 - 06:45. Nautical Dark: 17:25 - 06:09. Astro Dark: 18:00 - 05:34

Total Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
100
99
98
99
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
83
69
56
42
59
74
90
87
83
84
89
94
98
97
96
94
93
91
90

Medium Clouds (% Sky Obscured)

9
13
39
66
94
96
98
100
100
99
98
87
75
62
65
67
70
64
58
52

High Clouds (% Sky Obscured)

71
100
100
100
100
100
100
100
90
79
69
47
26
8
17
22
27
44
60
76

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
7
5
4
4
3
3
4
4
6
7

Fog (%)

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

Precipitation Probability (%)

2
0
2
3
0
0
0
0
2
1
0
6
10
12
16
16
11
9
6
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
88
91
93
96
96
98
98
98
98
100
98
98
96
98
98
98
98
96

Pressure (mb)

1016
1016
1017
1017
1018
1018
1019
1019
1020
1020
1020
1021
1020
1019
1019
1018
1018
1018
1018
1018

Ozone (du)

292
293
295
295
295
294
296
298
299
299
298
298
295
293
290
290
290
291
291
291

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

Generated: 11/12/25 23:48:19. Forecast: 11/12/25 to 17/12/25. Timezone: UTC-5.00