Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 0%

07:51

14:20

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 Good
06 Good
07 OK
08 OK
09 Good
10 OK
11 Bad

Sun - Rise: 07:33, Set: 15:51, Transit: 11:42. Moon - Rise: 07:51, Set: 14:20. Civil Dark: 16:28 - 06:57. Nautical Dark: 17:08 - 06:16. Astro Dark: 17:46 - 05:38

Total Clouds (% Sky Obscured)

62
70
77
82
100
100
100
100
100
100
99
94
75
44
10
8
17
0
2
13
11
5
14
47

Low Clouds (% Sky Obscured)

62
70
77
82
100
100
100
100
100
100
97
85
67
34
7
6
17
0
2
9
8
4
6
41

Medium Clouds (% Sky Obscured)

62
70
77
82
100
100
100
100
96
92
84
71
43
21
1
1
0
0
0
0
11
0
4
4

High Clouds (% Sky Obscured)

62
70
77
82
100
100
100
100
95
87
85
80
75
0
0
0
2
0
2
0
0
0
0
0

ISS Passover

Visibility (miles)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
5
6
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
1
0
0
0
6
4
2
5
48
20
17
11
2
0
0
0
0
0
0
0

Precipitation Type

Snow
None
None
Snow
Snow
Snow
Snow
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

76
1
0
95
95
95
95
95
95
95
95
95
95
42
22
16
8
5
1
3
8
1
0
0

Precipitation Amount (mm)

0.5
0
0
0.7
0.6
0.7
0.8
0.6
2.6
1.8
1.7
1.7
0.5
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
11
10
9
11
12
15
17
18
20
22
23
30
34
33
35
35
27
20
18
21
21
19
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
89
92
94
96
96
98
98
98
98
100
100
98
96
93
86
75
75
81
89
89
81
76
76

Pressure (mb)

1008
1006
1004
1002
1001
999
997
995
994
992
990
989
988
988
989
991
992
994
996
998
1000
1001
1002
1003

Ozone (du)

345
342
340
339
337
335
334
331
326
326
325
329
331
334
337
344
351
358
362
369
372
375
381
387

Friday 19

New Moon 0%

08:41

15:06

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

Sun - Rise: 07:34, Set: 15:52, Transit: 11:43. Moon - Rise: 08:41, Set: 15:06. Civil Dark: 16:28 - 06:57. Nautical Dark: 17:08 - 06:17. Astro Dark: 17:47 - 05:39

Total Clouds (% Sky Obscured)

26
74
80
87
69
96
92
95
94
72
94
91
91
96
99
96
100
99
99
100
99
100
100
100

Low Clouds (% Sky Obscured)

26
67
36
48
64
73
59
63
54
63
80
80
83
80
89
92
92
93
95
94
95
100
100
100

Medium Clouds (% Sky Obscured)

2
33
80
82
33
88
92
88
94
18
25
52
19
41
51
56
94
96
96
100
98
98
99
89

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
4
3
4
3
75
80
75
80
42
2
2
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
2
1
0
9
23
22
30
61
65
65
66
73
61
56
48
65
53

Precipitation Type

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

Precipitation Probability (%)

6
14
15
22
26
43
44
34
27
45
52
61
53
51
42
37
36
41
57
62
77
85
79
63

Precipitation Amount (mm)

0
0
0
0
0
0.1
0.1
0
0
0.1
0.3
0.4
0.2
0.2
0.1
0
0
0.1
0.3
0.2
0.4
0.5
0.4
0.1

Wind Speed/Direction (mph)

19
19
19
19
17
16
18
20
17
16
15
15
17
19
18
18
17
15
14
14
15
14
16
17

Chance of Frost

Temperature (°C)

-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-2
-3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
81
84
87
91
96
94
91
92
94
92
94
96
96
94
96
94
96
96
96
96
96
96

Pressure (mb)

1004
1004
1005
1006
1007
1008
1009
1010
1010
1010
1011
1012
1012
1013
1013
1014
1014
1014
1015
1015
1015
1016
1016
1016

Ozone (du)

389
392
397
404
409
406
404
395
395
391
391
394
397
396
393
397
397
396
394
394
394
391
391
387

Saturday 20

Waxing Crescent 1%

09:21

16:04

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: 07:34, Set: 15:52, Transit: 11:43. Moon - Rise: 09:21, Set: 16:04. Civil Dark: 16:29 - 06:58. Nautical Dark: 17:09 - 06:17. Astro Dark: 17:47 - 05:39

Total Clouds (% Sky Obscured)

99
100
98
94
95
99
96
99
99
93
99
96
81
72
69
68
73
91
69
61
87
95
95
98

Low Clouds (% Sky Obscured)

99
99
96
90
95
97
94
98
92
92
99
92
74
62
65
63
61
76
61
59
78
91
86
87

Medium Clouds (% Sky Obscured)

70
41
64
57
62
62
76
74
82
76
92
92
57
55
34
13
12
8
23
8
5
5
15
22

High Clouds (% Sky Obscured)

0
0
0
0
0
2
41
46
61
39
42
32
1
0
11
8
21
25
23
2
2
5
8
12

ISS Passover

Visibility (miles)

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

Fog (%)

63
48
10
43
27
9
1
34
41
23
16
3
6
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

54
53
56
59
59
61
57
49
53
49
30
18
16
13
10
5
3
2
2
1
2
2
7
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
16
16
16
16
16
17
17
16
16
15
13
12
13
11
11
11
11
10
10
11
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-3
-3
-2
-2
-2
-2
-2
-2
-2
-3
-2
-3
-4
-3
-3
-3
-3
-4
-3
-4
-4
-3
-3

Relative Humidity (%)

94
94
94
96
96
96
96
94
96
94
92
92
92
89
89
89
89
89
87
89
89
86
83
81

Pressure (mb)

1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1014
1013
1012
1012

Ozone (du)

384
382
375
374
374
376
375
370
368
371
370
369
371
372
372
371
370
367
366
368
370
367
366
365

Sunday 21

Waxing Crescent 3%

09:51

17:11

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: 07:35, Set: 15:53, Transit: 11:44. Moon - Rise: 09:51, Set: 17:11. Civil Dark: 16:29 - 06:58. Nautical Dark: 17:09 - 06:18. Astro Dark: 17:48 - 05:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
87
96
89
92

Low Clouds (% Sky Obscured)

85
79
77
71
74
83
87
87
89
92
91
92
92
94
96
97
95
93
92
94
85
95
89
92

Medium Clouds (% Sky Obscured)

30
25
25
25
41
24
64
100
100
100
99
100
100
100
100
100
32
77
88
47
56
48
57
58

High Clouds (% Sky Obscured)

16
11
8
2
11
24
40
40
45
45
50
50
45
70
60
65
75
80
75
80
80
80
70
65

ISS Passover

Visibility (miles)

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

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

15
18
16
21
21
33
38
52
62
65
67
75
75
83
88
95
95
95
95
85
67
44
43
40

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.3
0.3
0.2
0.4
0.3
0.5
0.5
0.7
0.7
0.7
0.7
0.6
0.4
0.1
0.1
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
86
91
94
96
98
98
98
98
100
98
98
98
98
100
98
98
98
98
98
96
96
94
94

Pressure (mb)

1011
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1008
1008
1008
1008
1008
1009
1010
1010
1011
1011
1012
1012

Ozone (du)

363
359
355
351
350
350
349
349
347
346
341
341
347
343
345
345
342
342
339
342
345
345
345
340

Monday 22

Waxing Crescent 8%

10:14

18:23

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: 07:35, Set: 15:53, Transit: 11:44. Moon - Rise: 10:14, Set: 18:23. Civil Dark: 16:30 - 06:58. Nautical Dark: 17:10 - 06:18. Astro Dark: 17:48 - 05:40

Total Clouds (% Sky Obscured)

100
78
98
93
98
96
96
94
99
84
100
100
100
100
100
100
97
94
91
94
97
100
100
100

Low Clouds (% Sky Obscured)

100
74
93
84
85
93
93
90
92
78
89
88
81
87
74
80
83
84
87
84
79
74
74
73

Medium Clouds (% Sky Obscured)

65
53
39
57
78
42
12
3
3
1
50
39
2
21
5
3
8
14
18
24
35
55
59
57

High Clouds (% Sky Obscured)

65
70
65
60
41
28
18
19
24
30
25
62
100
100
100
100
94
88
82
84
87
91
95
98

ISS Passover

Visibility (miles)

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

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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 (%)

36
31
28
18
25
30
23
24
25
13
14
12
19
20
22
19
31
32
31
30
26
17
17
16

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
91
91
92
94
96
98
96
96
94
94
94
94
94
96
96
96
96
98
96
98
96
96
96

Pressure (mb)

1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011

Ozone (du)

344
342
344
345
346
347
347
344
341
339
339
339
333
331
333
331
330
331
332
333
334
335
336
334

Tuesday 23

Waxing Crescent 14%

10:33

19:38

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: 07:36, Set: 15:54, Transit: 11:45. Moon - Rise: 10:33, Set: 19:38. Civil Dark: 16:30 - 06:59. Nautical Dark: 17:11 - 06:19. Astro Dark: 17:49 - 05:40

Total Clouds (% Sky Obscured)

100
92
84
76
84
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

73
74
72
69
62
52
42
50
58
62
63
64
65
69
73
78
73
69
65
67
69
71
76
76

Medium Clouds (% Sky Obscured)

50
45
40
40
46
52
53
68
81
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
78
56
35
59
82
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

3
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

13
11
8
2
7
7
1
14
19
17
49
64
76
82
91
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.5
0.6
0.9
1
1
1.1
1
0.9
0.7
0.8
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

0
0
0
0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-0
-0
0
0
-0
0
0
1

Feels Like (°C)

-3
-3
-2
-2
-2
-3
-3
-4
-4
-3
-3
-4
-4
-4
-4
-4
-4
-3
-3
-2
-3
-4
-4
-2

Dew Point (°C)

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

Relative Humidity (%)

98
100
100
100
98
100
98
98
98
96
98
96
98
98
100
98
98
98
98
100
98
98
100
98

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1008
1007
1007
1006
1006
1006
1005
1005
1005
1005
1005
1004

Ozone (du)

333
331
329
327
324
324
323
323
323
323
323
322
321
320
321
321
322
323
324
325
326
328
330
332

Wednesday 24

Waxing Crescent 22%

10:49

20:52

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

Sun - Rise: 07:36, Set: 15:54, Transit: 11:45. Moon - Rise: 10:49, Set: 20:52. Civil Dark: 16:31 - 06:59. Nautical Dark: 17:11 - 06:19. Astro Dark: 17:49 - 05:41

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
96
94
93
91
90
94
97
100
100
100
100

Low Clouds (% Sky Obscured)

77
75
74
68
67
70
69
77
86
94
90
86
81
72
60
48
46
43
41
58
76
93

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
78
56
32
22
13
6
16
26
35
54
72
86
84
86
100

High Clouds (% Sky Obscured)

100
100
100
100
95
93
90
70
50
30
20
12
4
20
36
52
68
83
98
99
99
100

ISS Passover

Visibility (miles)

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

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
84
57
50
39
19
17
13
2
6
9
10
33
45
56

Precipitation Amount (mm)

1
1.1
1
0.6
0.7
0.9
1
0.9
0.6
0.3
0.2
0.1
0
0
0
0
0
0
0
0
0.1
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
100
98
100
98
96
94
96
96
96
96
98

Pressure (mb)

1004
1003
1003
1003
1003
1004
1004
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1004
1004

Ozone (du)

334
336
336
337
337
341
344
347
348
349
349
349
348
347
348
349
350
350
351
352
356
360

Forecast for Shiloh, Boundary, United States of America (48.50,-116.30)

Generated: 18/12/25 12:33:17. Forecast: 18/12/25 to 24/12/25. Timezone: UTC-8.00