Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 8

Waning Gibbous 84%

20:54

10:54

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
23 Bad

Sun - Rise: 07:17, Set: 16:41, Transit: 11:59. Moon - Rise: 20:54, Set: 10:54. Civil Dark: 17:11 - 06:46. Nautical Dark: 17:45 - 06:12. Astro Dark: 18:18 - 05:39

Total Clouds (% Sky Obscured)

87
86
94
87
80
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
90
100

Low Clouds (% Sky Obscured)

44
65
23
2
0
1
1
6
10
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

15
3
6
37
30
65
53
83
99
100
100
100
100
100
100
100
100
100
100
100
100
96
79
100

High Clouds (% Sky Obscured)

53
43
81
52
49
77
100
100
100
100
100
100
100
100
100
100
100
100
100
87
71
74
77
91

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-2
-3
-5
-6
-6
-7
-7
-7
-7
-7
-9
-9
-8
-8
-8
-8
-8
-8
-9
-10
-10
-10

Dew Point (°C)

-2
-3
-3
-3
-6
-8
-9
-9
-10
-11
-13
-15
-13
-14
-14
-14
-13
-12
-12
-12
-12
-13
-14
-14

Relative Humidity (%)

76
75
73
73
61
58
57
56
55
50
42
34
41
39
40
40
42
47
50
51
52
52
51
50

Pressure (mb)

1020
1020
1020
1021
1022
1023
1024
1024
1025
1025
1026
1027
1027
1026
1025
1025
1026
1026
1027
1027
1027
1027
1027
1027

Ozone (du)

318
318
316
315
314
314
312
314
317
320
322
321
322
323
330
330
326
328
331
330
327
328
332
335

Tuesday 9

Waning Gibbous 75%

22:05

11:26

00 Bad
01 Bad
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 OK
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

Sun - Rise: 07:17, Set: 16:41, Transit: 11:59. Moon - Rise: 22:05, Set: 11:26. Civil Dark: 17:11 - 06:47. Nautical Dark: 17:45 - 06:13. Astro Dark: 18:18 - 05:40

Total Clouds (% Sky Obscured)

99
55
8
5
0
0
0
0
33
49
97
98
93
97
90
83
97
88
82
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
10
26
25
24
14
15
9
83
76
80
60
80
55
52
47
41

Medium Clouds (% Sky Obscured)

99
45
5
5
0
0
0
0
4
33
78
94
90
90
90
82
91
85
71
81
19
24
87
100

High Clouds (% Sky Obscured)

77
45
2
0
0
0
0
0
23
0
52
55
38
0
0
45
71
61
66
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
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)

3
3
2
1
1
1
1
1
1
2
5
6
8
9
10
10
10
10
10
10
10
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-10
-10
-8
-8
-8
-9
-9
-10
-10
-8
-9
-8
-7
-7
-7
-7
-7
-7
-8
-7
-8
-7
-7

Dew Point (°C)

-15
-15
-14
-14
-14
-15
-15
-15
-17
-18
-20
-21
-21
-20
-18
-16
-13
-12
-10
-9
-8
-6
-5
-5

Relative Humidity (%)

50
50
54
56
56
54
54
55
50
39
29
23
22
23
25
29
36
43
49
56
62
71
76
79

Pressure (mb)

1026
1026
1026
1025
1025
1025
1026
1026
1025
1025
1024
1023
1021
1020
1018
1017
1016
1016
1015
1015
1015
1014
1013
1013

Ozone (du)

346
353
355
356
354
353
352
346
362
388
400
400
398
390
378
368
362
361
360
359
357
358
356
351

Wednesday 10

Waning Gibbous 65%

23:12

11:51

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
23 Bad

Sun - Rise: 07:18, Set: 16:41, Transit: 12:00. Moon - Rise: 23:12, Set: 11:51. Civil Dark: 17:11 - 06:48. Nautical Dark: 17:45 - 06:14. Astro Dark: 18:18 - 05:41

Total Clouds (% Sky Obscured)

100
100
100
96
99
100
100
100
100
100
100
100
100
100
100
100
95
83
88
94
87
49
61
88

Low Clouds (% Sky Obscured)

16
8
5
11
70
75
94
99
95
92
87
91
95
96
97
89
15
44
83
89
77
49
47
65

Medium Clouds (% Sky Obscured)

100
100
90
86
93
100
100
100
100
100
100
100
100
100
100
100
89
81
28
85
44
40
36
35

High Clouds (% Sky Obscured)

100
21
100
82
75
100
100
100
100
100
100
100
100
69
40
40
4
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
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
Snow
Frozen rai
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
1
30
64
59
38
41
32
51
35
39
40
12
18
28
17
22
54
40
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
82
83
83
83
81
79
83
89
84
80
77
76
76
77
77
79
81
80
81
85
79
80
74

Pressure (mb)

1013
1012
1012
1011
1010
1009
1008
1008
1006
1005
1003
1002
1000
999
998
998
997
997
998
998
998
997
998
998

Ozone (du)

350
347
347
348
349
345
342
343
337
334
331
330
330
329
332
336
340
341
347
344
349
348
347
343

Thursday 11

Third Quarter 54%

No Rise

12:13

00 Bad
01 Bad
02 Bad
03 Bad
04 OK
05 Good
06 OK
07 OK
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

Sun - Rise: 07:19, Set: 16:41, Transit: 12:00. Moon - Rise: No Rise, Set: 12:13. Civil Dark: 17:12 - 06:49. Nautical Dark: 17:46 - 06:15. Astro Dark: 18:18 - 05:42

Total Clouds (% Sky Obscured)

80
81
85
69
19
3
27
37
51
63
91
96
100
99
99
93
98
98
98
96
95
92
87
82

Low Clouds (% Sky Obscured)

57
69
40
24
6
2
27
21
20
19
50
66
82
84
86
85
78
71
55
56
57
65
64
59

Medium Clouds (% Sky Obscured)

55
24
13
11
4
0
0
4
10
19
38
46
62
90
98
73
96
95
94
93
91
86
75
61

High Clouds (% Sky Obscured)

0
2
30
30
0
0
0
1
2
2
33
64
90
60
28
16
20
25
29
30
35
29
24
4

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
0
0
0
0
0
0
0
0
0
0
0
2
8
18
28
34
34
33
28
22
19
20
17

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)

9
10
11
12
13
12
11
9
10
10
11
11
11
11
11
9
8
8
8
7
8
9
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
83
80
76
78
77
78
77
74
68
65
59
55
54
52
54
60
66
72
78
80
81
79
81

Pressure (mb)

998
998
1000
1001
1002
1003
1005
1006
1006
1007
1008
1007
1007
1006
1006
1006
1006
1007
1007
1007
1008
1008
1008
1009

Ozone (du)

335
330
329
327
329
328
321
316
317
321
324
325
324
324
323
325
327
327
329
330
335
334
329
328

Friday 12

Waning Crescent 44%

00:16

12:34

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

Sun - Rise: 07:20, Set: 16:41, Transit: 12:01. Moon - Rise: 00:16, Set: 12:34. Civil Dark: 17:12 - 06:49. Nautical Dark: 17:46 - 06:15. Astro Dark: 18:19 - 05:42

Total Clouds (% Sky Obscured)

49
36
27
19
17
16
15
14
14
12
19
26
32
31
39
37
83
83
73
53
46
60
60
50

Low Clouds (% Sky Obscured)

49
36
27
19
17
16
15
14
14
12
19
26
32
31
39
37
50
41
32
21
11
0
0
0

Medium Clouds (% Sky Obscured)

2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
2
50
50
45
50
35
25
25
20

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
0
0
0
0
9
8
75
75
73
53
46
60
60
50

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 (%)

5
4
2
0
2
2
0
1
1
0
0
0
0
0
0
0
0
0
0
0
1
0
4
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
81
85
85
85
82
82
79
66
57
51
47
45
44
44
52
59
58
58
59
58
59
59

Pressure (mb)

1010
1011
1012
1013
1014
1015
1016
1017
1018
1018
1019
1019
1018
1018
1018
1018
1019
1019
1019
1019
1020
1019
1019
1019

Ozone (du)

330
333
332
329
330
332
332
330
327
327
330
334
336
338
335
332
332
333
337
338
340
344
352
356

Saturday 13

Waning Crescent 34%

01:17

12:54

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
23 Bad

Sun - Rise: 07:20, Set: 16:42, Transit: 12:01. Moon - Rise: 01:17, Set: 12:54. Civil Dark: 17:12 - 06:50. Nautical Dark: 17:46 - 06:16. Astro Dark: 18:19 - 05:43

Total Clouds (% Sky Obscured)

45
99
99
99
95
90
85
86
85
79
83
89
91
81
73
67
81
87
90
86
81
77
80
82

Low Clouds (% Sky Obscured)

0
71
78
86
79
71
64
56
48
28
37
58
79
61
59
67
78
79
81
77
73
70
71
72

Medium Clouds (% Sky Obscured)

25
86
78
68
59
57
48
51
49
48
47
38
26
19
13
6
14
21
21
13
8
3
7
8

High Clouds (% Sky Obscured)

0
3
6
9
37
66
84
58
32
28
32
27
10
24
15
0
0
0
5
32
25
25
41
70

ISS Passover

Visibility (miles)

9
0
3
6
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
33
36
39
35
31
26
20
14
1
2
2
1
1
1
0
2
2
0
6
9
9
9
7

Precipitation Amount (mm)

0
0
0
0.1
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
4
4
3
4
4
5
7
9
12
12
13
14
13
12
12
11
10
10
11
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-8
-6
-6
-7
-6
-7
-7
-7
-7
-7
-7
-7
-6
-6
-7
-7
-6
-6
-6
-9
-10
-9
-10

Dew Point (°C)

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

Relative Humidity (%)

62
92
94
96
96
96
94
94
79
67
57
53
48
44
46
48
50
55
59
65
64
62
61
60

Pressure (mb)

1019
1019
1015
1015
1015
1015
1015
1015
1016
1016
1017
1016
1016
1015
1015
1016
1016
1017
1018
1018
1019
1019
1019
1020

Ozone (du)

350
345
343
342
340
339
338
337
333
328
323
323
323
322
322
322
322
323
324
325
325
325
325
325

Sunday 14

Waning Crescent 25%

02:18

13:15

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 OK
13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 OK
19 Good
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 07:21, Set: 16:42, Transit: 12:02. Moon - Rise: 02:18, Set: 13:15. Civil Dark: 17:12 - 06:51. Nautical Dark: 17:46 - 06:17. Astro Dark: 18:19 - 05:44

Total Clouds (% Sky Obscured)

83
75
68
79
84
90
93
92
92
91
68
48
30
44
47
55
41
30
19
12
6
1
2
4

Low Clouds (% Sky Obscured)

73
49
23
2
30
56
82
82
82
83
58
33
10
37
47
55
41
30
17
12
6
0
1
2

Medium Clouds (% Sky Obscured)

12
39
67
79
84
90
93
91
91
90
67
42
21
14
7
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

83
75
68
79
84
90
93
47
15
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 (%)

3
3
2
0
1
1
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-10
-13
-13
-14
-14
-14
-15
-14
-14
-13
-13
-13
-12
-8
-8
-9
-9
-10
-10
-11
-10
-10
-10

Dew Point (°C)

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

Relative Humidity (%)

58
58
57
55
54
55
55
58
54
51
49
47
42
40
43
45
47
53
60
66
67
67
67
73

Pressure (mb)

1020
1021
1022
1022
1023
1023
1024
1025
1026
1027
1028
1028
1028
1027
1028
1028
1029
1030
1031
1031
1032
1032
1032
1032

Ozone (du)

326
326
326
327
327
328
329
330
331
331
332
332
331
331
328
326
324
323
322
321
319
318
317
313

Forecast for Mount Wolf, York, United States of America (40.06,-76.70)

Generated: 08/12/25 12:05:03. Forecast: 08/12/25 to 14/12/25. Timezone: UTC-5.00