Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

First Quarter 52%

12:42

01:39

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:39, Set: 17:08, Transit: 12:53. Moon - Rise: 12:42, Set: 01:39. Civil Dark: 17:43 - 08:03. Nautical Dark: 18:22 - 07:24. Astro Dark: 19:00 - 06:47

Total Clouds (% Sky Obscured)

100
100
100
98
99
100
100
100
100
100
100
90
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
77
73
84
89
88
95
100
100
100
100
90
100
100
100
100
100
100
100
100
100
96
100
100

Medium Clouds (% Sky Obscured)

100
84
77
75
78
100
97
95
92
92
100
65
34
41
98
100
99
76
80
78
40
46
96
100

High Clouds (% Sky Obscured)

98
100
100
55
82
6
50
50
48
3
0
3
0
7
6
2
5
3
42
31
97
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 (%)

45
8
43
39
22
7
3
3
6
11
13
20
19
19
12
14
11
20
12
15
30
30
27
41

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)

17
17
17
17
16
15
13
11
11
10
10
8
6
5
4
2
1
1
3
5
6
6
8
10

Chance of Frost

Temperature (°C)

2
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
3
3
3
3
3
2
2
2

Feels Like (°C)

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

Dew Point (°C)

0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
1
1

Relative Humidity (%)

85
86
88
86
89
88
89
88
86
88
88
89
91
91
91
89
89
89
89
93
94
94
93
93

Pressure (mb)

1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1007
1006

Ozone (du)

339
343
344
344
343
346
345
346
342
341
338
337
338
345
354
355
351
348
348
350
351
350
348
348

Sunday 28

Waxing Gibbous 64%

13:03

02:59

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:39, Set: 17:08, Transit: 12:54. Moon - Rise: 13:03, Set: 02:59. Civil Dark: 17:44 - 08:03. Nautical Dark: 18:23 - 07:24. Astro Dark: 19:00 - 06:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
92
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
100
40
45
50
45
50
45

High Clouds (% Sky Obscured)

100
100
100
100
100
100
65
65
72
100
100
100
100
100
100
100
100
100
100
96
95
95
95
10

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
1
3
6
7
8
9

Precipitation Type

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

Precipitation Probability (%)

79
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
90
80
72
56
43
41
41

Precipitation Amount (mm)

0.5
0.6
1.4
2.2
3.2
4.3
4.7
3.9
3.8
4.6
3.6
3.5
3
2.2
1.1
0.9
0.8
0.5
0.4
0.4
0.2
0
0.1
0.2

Wind Speed/Direction (mph)

12
15
17
18
16
21
26
33
34
36
36
38
40
38
39
39
38
38
38
37
37
37
36
35

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-7
-7
-6
-9
-12
-15
-16
-18
-20
-21
-22
-22
-22
-22
-23
-22
-23
-23
-22
-22
-22
-23

Dew Point (°C)

1
2
1
1
1
0
-1
-2
-3
-4
-4
-5
-6
-6
-7
-7
-8
-8
-9
-9
-9
-10
-11
-11

Relative Humidity (%)

98
100
100
100
100
100
98
96
94
96
94
94
92
94
92
92
92
90
90
88
88
82
80
82

Pressure (mb)

1005
1004
1003
1002
1002
1001
1000
999
999
998
997
998
999
999
1000
1002
1003
1004
1006
1007
1008
1009
1010
1011

Ozone (du)

349
352
357
361
363
369
363
362
369
373
377
373
368
365
368
372
384
377
367
365
364
369
372
384

Monday 29

Waxing Gibbous 75%

13:30

04:23

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:39, Set: 17:09, Transit: 12:54. Moon - Rise: 13:30, Set: 04:23. Civil Dark: 17:45 - 08:03. Nautical Dark: 18:24 - 07:24. Astro Dark: 19:01 - 06:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
81
74
99
78
97
97
99
97
96

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
81
74
93
78
81
89
86
75
92

Medium Clouds (% Sky Obscured)

45
48
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
6
22
34
46
85
73

High Clouds (% Sky Obscured)

11
84
95
10
0
0
0
0
0
0
0
0
0
4
0
2
4
56
16
44
41
60
50
35

ISS Passover

Visibility (miles)

1
1
1
1
1
2
2
2
2
2
4
5
8
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

13
3
2
0
1
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Snow
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 (%)

42
35
28
31
27
24
18
21
23
21
20
22
11
9
3
6
7
9
9
9
11
15
19
24

Precipitation Amount (mm)

0.2
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)

35
34
33
32
31
31
30
29
29
28
26
25
26
25
24
21
22
20
18
16
15
16
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-23
-22
-22
-22
-22
-21
-21
-21
-21
-21
-20
-20
-20
-20
-20
-19
-18
-18
-18
-16
-16
-17
-17
-16

Dew Point (°C)

-11
-11
-11
-11
-12
-12
-12
-12
-12
-12
-12
-12
-12
-13
-13
-13
-13
-14
-14
-13
-13
-13
-13
-13

Relative Humidity (%)

82
82
83
85
81
82
82
81
81
83
81
80
81
80
78
75
74
71
69
69
71
74
74
69

Pressure (mb)

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

Ozone (du)

391
388
398
415
427
439
438
440
435
435
423
418
410
404
395
395
393
381
373
369
362
363
360
358

Tuesday 30

Waxing Gibbous 85%

14:06

05:50

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:39, Set: 17:10, Transit: 12:55. Moon - Rise: 14:06, Set: 05:50. Civil Dark: 17:46 - 08:03. Nautical Dark: 18:25 - 07:24. Astro Dark: 19:02 - 06:47

Total Clouds (% Sky Obscured)

96
97
97
97
97
97
97
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
91
90
90
89
89
88
92
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

61
66
75
82
75
51
42
44
47
41
39
34
36
33
34
92
98
99
100
71
89
85
81
78

High Clouds (% Sky Obscured)

35
35
40
45
45
0
0
0
0
0
0
1
3
7
35
52
54
45
25
6
30
40
30
40

ISS Passover

Visibility (miles)

9
9
6
0
0
0
1
1
0
0
1
4
3
4
3
4
3
3
2
2
3
3
3
3

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None

Precipitation Probability (%)

31
31
34
31
36
41
46
42
43
43
37
36
37
34
36
37
37
36
42
38
35
29
31
24

Precipitation Amount (mm)

0
0
0
0
0
0.1
0.2
0.1
0.2
0.2
0.1
0.1
0.2
0
0.1
0.1
0.1
0.1
0.2
0.1
0.1
0
0
0

Wind Speed/Direction (mph)

15
14
14
15
15
16
17
17
17
18
19
20
21
21
23
24
25
24
24
23
23
22
22
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-15
-14
-14
-14
-14
-15
-15
-15
-16
-16
-17
-17
-18
-19
-19
-20
-20
-20
-21
-21
-21
-21
-21

Dew Point (°C)

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

Relative Humidity (%)

68
68
77
85
85
85
83
82
82
82
79
77
77
77
78
78
78
78
78
78
78
80
80
80

Pressure (mb)

1015
1014
1013
1013
1013
1012
1012
1011
1011
1011
1010
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013

Ozone (du)

356
354
355
357
361
357
348
351
349
351
352
349
349
347
346
349
352
353
354
357
362
362
364
361

Wednesday 31

Waxing Gibbous 92%

14:56

07:13

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:39, Set: 17:11, Transit: 12:55. Moon - Rise: 14:56, Set: 07:13. Civil Dark: 17:47 - 08:03. Nautical Dark: 18:25 - 07:24. Astro Dark: 19:03 - 06:47

Total Clouds (% Sky Obscured)

100
94
88
82
88
94
100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
95
95
95

Low Clouds (% Sky Obscured)

100
94
88
82
88
94
96
96
97
97
100
100
100
100
100
100
100
100
100
98
97
95
95
95

Medium Clouds (% Sky Obscured)

73
56
8
19
45
20
34
35
30
30
0
0
0
0
1
1
13
24
36
41
45
50
52
55

High Clouds (% Sky Obscured)

40
0
0
0
0
0
0
0
1
1
0
0
0
3
9
15
10
5
0
0
0
0
2
3

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

29
26
20
23
23
23
23
26
28
33
37
37
38
36
35
36
33
30
27
31
33
33
39
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0
0
0.1
0
0
0
0
0
0
0.1
0.2

Wind Speed/Direction (mph)

23
22
23
23
23
22
22
23
23
23
22
26
26
27
28
28
28
29
28
29
28
29
29
30

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-22
-21
-21
-22
-22
-22
-23
-23
-23
-24
-24
-25
-25
-25
-25
-24
-24
-25
-26
-26
-26
-26
-26
-24

Dew Point (°C)

-15
-14
-15
-14
-15
-15
-15
-15
-15
-15
-15
-16
-16
-16
-16
-16
-16
-16
-16
-16
-16
-15
-15
-15

Relative Humidity (%)

78
78
76
78
78
79
79
79
81
84
86
86
88
88
88
90
88
88
90
90
88
88
88
84

Pressure (mb)

1013
1013
1014
1014
1014
1014
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1009
1009
1008
1007
1007

Ozone (du)

364
362
361
363
366
368
373
379
389
411
429
434
440
445
437
429
421
428
435
442
418
395
371
364

Thursday 1

Waxing Gibbous 98%

14:56

08:25

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:39, Set: 17:12, Transit: 12:56. Moon - Rise: 14:56, Set: 08:25. Civil Dark: 17:47 - 08:03. Nautical Dark: 18:26 - 07:24. Astro Dark: 19:04 - 06:47

Total Clouds (% Sky Obscured)

95
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

95
97
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

58
67
69
72
62
61
57
45
33
22
34
45
55
62
66
70
61
51
38
44
46
55
43
33

High Clouds (% Sky Obscured)

2
1
1
0
1
1
0
0
0
0
7
15
23
17
11
5
4
3
2
1
1
1
1
0

ISS Passover

Visibility (miles)

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

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

54
58
63
68
64
63
64
59
54
50
50
49
48
49
49
50
54
57
61
56
52
50
47
44

Precipitation Amount (mm)

0.2
0.3
0.3
0.4
0.3
0.3
0.4
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.3
0.2
0.2
0.2
0.2
0.2

Wind Speed/Direction (mph)

31
31
31
32
32
33
31
31
29
27
26
26
25
25
25
26
25
26
24
23
23
23
23
22

Chance of Frost

Temperature (°C)

-13
-12
-12
-12
-12
-12
-13
-13
-13
-13
-13
-13
-12
-12
-12
-13
-12
-13
-12
-13
-12
-12
-12
-12

Feels Like (°C)

-25
-25
-25
-25
-24
-24
-24
-24
-25
-25
-24
-25
-24
-23
-23
-24
-23
-23
-23
-23
-23
-23
-23
-22

Dew Point (°C)

-15
-15
-15
-14
-14
-13
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14

Relative Humidity (%)

81
79
83
86
90
92
92
90
90
88
90
88
88
90
90
90
90
90
88
88
88
88
86
86

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

358
351
353
354
356
361
366
371
383
395
407
407
406
405
395
386
377
373
370
367
362
358
354
352

Friday 2

Waxing Gibbous 100%

16:04

09:20

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

Sun - Rise: 08:39, Set: 17:13, Transit: 12:56. Moon - Rise: 16:04, Set: 09:20. Civil Dark: 17:48 - 08:03. Nautical Dark: 18:27 - 07:24. Astro Dark: 19:05 - 06:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

21
18
11
2
2
2
1
1
0
0
2
5
7
7
6
6

High Clouds (% Sky Obscured)

0
0
1
1
1
0
0
0
0
0
0
0
0
1
1
2

ISS Passover

Visibility (miles)

0
0
1
1
1
1
1
1
1
2
2
2
3
3
5
7

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

42
40
40
41
38
36
34
33
33
32
30
29
27
26
25
26

Precipitation Amount (mm)

0.2
0.1
0.1
0.2
0.1
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

22
22
21
21
20
19
18
17
16
15
13
12
11
11
10
9

Chance of Frost

Temperature (°C)

-11
-11
-11
-11
-11
-10
-10
-10
-10
-10
-11
-10
-10
-10
-10
-10

Feels Like (°C)

-22
-21
-21
-21
-21
-19
-19
-19
-19
-19
-19
-18
-17
-17
-17
-17

Dew Point (°C)

-14
-14
-13
-13
-13
-13
-13
-12
-13
-13
-14
-14
-13
-14
-14
-14

Relative Humidity (%)

83
83
81
80
80
80
80
81
80
78
78
77
75
75
73
74

Pressure (mb)

1006
1006
1006
1007
1007
1008
1008
1008
1009
1009
1010
1010
1011
1011
1011
1011

Ozone (du)

350
348
348
347
347
348
349
350
348
346
344
344
344
343
343
343

Forecast for Mandan, Keweenaw, United States of America (47.46,-87.97)

Generated: 27/12/25 15:04:10. Forecast: 27/12/25 to 02/01/26. Timezone: UTC-5.00