Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 8

Waning Gibbous 75%

20:54

11:26

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
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

Sun - Rise: 07:17, Set: 16:41, Transit: 11:59. Moon - Rise: 20:54, 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)

94
92
92
100
99
65
40
9
0
0
0
16
34
80
100
97
97
94
95
89
93
92
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
9
15
26
39
26
31
18
18
55
75
44
5
84

Medium Clouds (% Sky Obscured)

94
92
83
100
98
45
17
5
0
0
0
0
0
25
100
90
67
91
94
89
93
66
97
99

High Clouds (% Sky Obscured)

74
66
80
55
47
33
26
3
0
0
0
0
2
46
5
55
47
34
0
3
60
56
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)

4
2
2
4
3
3
2
1
1
1
1
1
1
2
5
6
8
9
10
10
10
10
10
10

Chance of Frost

Temperature (°C)

-5
-6
-6
-6
-6
-6
-7
-7
-7
-8
-8
-8
-9
-7
-5
-4
-3
-2
-1
-1
-1
-1
-1
-2

Feels Like (°C)

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

Dew Point (°C)

-13
-14
-14
-14
-14
-15
-14
-14
-14
-15
-15
-16
-17
-18
-20
-22
-21
-19
-17
-15
-12
-11
-9
-8

Relative Humidity (%)

52
52
52
51
52
50
54
55
56
56
55
54
50
39
29
24
22
25
28
33
41
47
54
61

Pressure (mb)

1028
1028
1027
1027
1026
1026
1026
1026
1025
1025
1026
1026
1026
1025
1024
1023
1021
1020
1019
1018
1017
1016
1016
1015

Ozone (du)

325
325
329
338
345
348
354
354
354
352
351
346
362
389
395
399
398
390
379
365
359
361
359
359

Tuesday 9

Waning Gibbous 65%

22:05

11:51

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

Sun - Rise: 07:18, Set: 16:41, Transit: 12:00. Moon - Rise: 22:05, 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
100
100
100
97
100
100
100
100
100
100
100
100
100
100
100
100
90
83
89
93
97

Low Clouds (% Sky Obscured)

87
88
17
18
18
19
28
78
77
81
91
88
84
83
89
96
93
95
95
90
53
89
93
93

Medium Clouds (% Sky Obscured)

84
81
100
100
100
100
90
91
100
100
99
100
100
100
100
100
100
100
100
66
52
50
42
91

High Clouds (% Sky Obscured)

100
100
100
100
100
100
60
100
100
100
100
100
100
100
100
100
100
2
1
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
9
9
9
9
9
9
9
9
9
9
6
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
Snow
Snow
None
None
Very Light Rain
None
None
None
None
None
None
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
10
44
50
22
30
55
61
48
36
17
15
31
59
40
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.1
0.2
0
0
0.3
0
0
0
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
75
78
81
81
81
83
82
81
81
79
84
83
78
74
71
71
76
76
73
76
83
88
91

Pressure (mb)

1015
1014
1014
1013
1012
1012
1011
1010
1009
1008
1007
1006
1004
1002
1001
1000
999
997
997
996
996
996
996
997

Ozone (du)

357
353
353
347
345
342
344
346
346
342
340
340
338
334
332
332
332
333
337
340
347
349
345
343

Wednesday 10

Waning Gibbous 54%

23:12

12:13

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

Sun - Rise: 07:19, Set: 16:41, Transit: 12:00. Moon - Rise: 23:12, 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)

99
55
95
100
95
59
63
75
59
93
27
61
42
51
42
47
21
35
54
72
73
88
80
73

Low Clouds (% Sky Obscured)

32
19
86
79
77
17
5
24
33
42
18
39
22
46
32
36
18
32
51
72
73
72
66
59

Medium Clouds (% Sky Obscured)

99
55
48
42
43
50
50
40
33
64
2
26
42
51
42
40
5
5
13
25
36
70
46
44

High Clouds (% Sky Obscured)

0
0
2
33
62
59
2
15
1
1
0
0
0
0
0
0
0
0
0
0
0
5
10
10

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 (%)

9
14
20
5
1
0
0
1
1
0
0
0
0
0
5
0
0
4
7
10
8
4
4
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)

10
11
11
11
11
13
14
14
13
12
14
13
11
12
13
13
14
14
14
14
13
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-0
-2
-2
-1
-1
-2
-3
-4
-5
-6
-7
-7
-6
-6
-7
-8
-9
-9
-10
-10
-8
-7
-6
-7

Relative Humidity (%)

83
76
78
79
80
78
78
77
74
72
72
73
78
75
66
58
53
50
48
49
56
69
74
72

Pressure (mb)

997
997
997
998
999
1000
1002
1003
1004
1005
1006
1007
1008
1009
1010
1010
1010
1009
1009
1010
1010
1011
1012
1012

Ozone (du)

342
347
340
334
330
326
328
326
326
330
329
324
325
326
326
333
337
333
334
332
330
326
326
329

Thursday 11

Third Quarter 44%

00:16

12:34

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

63
65
48
45
40
40
40
35
31
38
39
45
43
24
23
74
100
100
96
97
95
99
100
100

Low Clouds (% Sky Obscured)

52
45
32
15
1
1
18
5
3
9
10
10
13
4
1
12
5
0
0
0
31
62
93
90

Medium Clouds (% Sky Obscured)

19
41
48
45
40
40
40
35
31
8
39
45
34
1
23
50
80
80
85
75
75
81
95
98

High Clouds (% Sky Obscured)

14
19
20
25
30
0
8
17
3
3
5
3
2
1
23
50
72
68
65
62
79
92
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
Snow
Snow

Precipitation Probability (%)

4
6
6
4
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
24
39
53
74

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
0.2
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
76
76
76
75
73
73
75
79
84
82
82
79
67
58
53
49
48
48
48
57
70
72
73

Pressure (mb)

1013
1013
1013
1014
1014
1014
1015
1015
1016
1016
1017
1018
1018
1019
1019
1019
1018
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

332
332
331
325
325
325
321
320
321
322
325
325
327
326
329
328
326
328
330
339
347
347
345
344

Friday 12

Waning Crescent 34%

01:17

12:54

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 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)

100
100
100
100
76
92
90
89
83
71
59
71
72
71
71
74
78
81
85
90
73
63
70
82

Low Clouds (% Sky Obscured)

87
80
76
72
69
67
65
63
51
38
26
37
49
58
56
59
59
66
75
83
69
54
40
36

Medium Clouds (% Sky Obscured)

96
95
97
98
74
76
52
50
35
21
6
4
2
0
5
9
15
14
14
17
19
30
35
47

High Clouds (% Sky Obscured)

100
65
17
12
4
3
3
31
65
70
59
68
65
64
71
74
78
81
73
61
69
63
70
65

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

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

Precipitation Probability (%)

84
81
66
50
19
21
21
21
14
10
1
3
2
0
0
0
0
0
0
0
0
0
0
2

Precipitation Amount (mm)

0.5
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
5
7
6
6
5
6
6
7
7
7
8
10
11
13
13
13
14
13
12
10
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
75
75
71
74
76
76
75
76
71
68
76
68
62
56
54
52
50
52
53
53
57
61
64

Pressure (mb)

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

Ozone (du)

346
351
359
356
353
355
353
346
339
334
333
327
322
317
312
310
308
306
307
308
309
308
308
308

Saturday 13

Waning Crescent 25%

02:18

13:15

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

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)

85
94
94
95
93
88
81
73
63
51
49
57
64
68
66
67
71
67
62
63
54
43
31
43

Low Clouds (% Sky Obscured)

36
36
76
83
84
76
38
33
28
27
26
38
51
63
62
61
61
51
42
35
38
42
29
43

Medium Clouds (% Sky Obscured)

72
78
80
74
64
61
51
39
25
16
6
4
18
20
18
12
4
3
2
2
2
2
4
4

High Clouds (% Sky Obscured)

30
15
40
5
5
5
25
35
40
35
47
33
17
0
0
0
0
4
8
12
8
4
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

3
4
26
37
44
59
71
81
82
81
79
72
52
23
16
13
12
14
15
15
13
9
2
2

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.3
0.4
0.4
0.5
0.5
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
63
64
72
81
94
94
94
96
98
96
96
92
87
84
81
79
76
75
73
71
73
75
77

Pressure (mb)

1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1021
1021
1021
1021
1020
1021
1021
1022
1023
1024
1025

Ozone (du)

307
307
307
308
309
309
312
314
316
320
323
327
332
338
343
346
349
352
352
351
350
357
365
372

Sunday 14

Waning Crescent 17%

03:20

13:39

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
12 Bad

Sun - Rise: 07:22, Set: 16:42, Transit: 12:02. Moon - Rise: 03:20, Set: 13:39. Civil Dark: 17:13 - 06:51. Nautical Dark: 17:47 - 06:17. Astro Dark: 18:20 - 05:44

Total Clouds (% Sky Obscured)

55
67
64
62
63
60
57
57
62
67
72
66
56
51
52
67
91

Low Clouds (% Sky Obscured)

55
67
52
43
28
25
46
57
62
67
72
52
25
0
2
6
14

Medium Clouds (% Sky Obscured)

4
5
10
13
16
21
23
29
29
45
50
66
56
42
31
17
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
33
67
72
66
56
34
8
7
3

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

3
2
9
7
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
72
68
68
68
69
69
72
72
74
75
77
75
74
74
71
69

Pressure (mb)

1025
1026
1026
1026
1027
1027
1027
1027
1028
1028
1029
1029
1029
1030
1030
1030
1029

Ozone (du)

371
370
369
356
342
329
328
326
325
323
321
320
319
319
319
316
314

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

Generated: 08/12/25 20:12:54. Forecast: 08/12/25 to 14/12/25. Timezone: UTC-5.00