Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 12

Waning Crescent 24%

04:30

12:54

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: 08:35, Set: 17:26, Transit: 13:00. Moon - Rise: 04:30, Set: 12:54. Civil Dark: 18:01 - 08:00. Nautical Dark: 18:39 - 07:22. Astro Dark: 19:16 - 06:45

Total Clouds (% Sky Obscured)

80
85
88
91
100
100
100
100
100
99
100
100
99
100
100
100
100
100
100
100
100
100
98
95

Low Clouds (% Sky Obscured)

34
54
49
40
73
88
78
78
81
82
70
100
87
99
100
100
100
100
88
92
94
87
88
91

Medium Clouds (% Sky Obscured)

80
85
88
91
100
100
100
100
100
83
100
100
95
100
100
73
37
83
87
96
88
75
38
34

High Clouds (% Sky Obscured)

80
85
88
91
100
100
100
100
100
90
100
74
61
51
56
55
9
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
1
9
5
9
3
0
0
0
0
0
0
1
9
0
0
0
0
0
0
2
5
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
26
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
Snow
Frozen rai
Snow
Snow
Snow
Snow
Snow
None
None
Snow
None
None
None
Snow
Snow
Snow
Snow
Snow
None

Precipitation Probability (%)

0
0
0
33
35
55
94
95
95
85
53
47
38
29
44
36
29
29
49
80
92
65
50
40

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.7
0.8
1
0.5
0.2
0.1
0
0
0.2
0
0
0
0.1
0.5
0.7
0.3
0.2
0

Wind Speed/Direction (mph)

5
7
8
9
8
7
7
7
7
7
7
10
14
17
18
18
17
16
16
17
19
26
30
31

Chance of Frost

Temperature (°C)

-2
-2
-2
-1
-1
-1
-1
-0
-0
-1
-0
-0
0
0
1
0
0
0
1
0
0
-2
-6
-8

Feels Like (°C)

-7
-7
-7
-6
-5
-6
-5
-5
-4
-5
-5
-6
-7
-7
-8
-7
-7
-7
-7
-8
-8
-15
-18
-20

Dew Point (°C)

-3
-2
-2
-2
-2
-2
-2
-1
-0
-1
-1
-1
-0
0
-0
0
0
0
0
-0
0
-4
-8
-10

Relative Humidity (%)

98
100
98
92
92
89
92
98
100
98
98
98
98
98
94
98
98
98
96
96
100
84
82
83

Pressure (mb)

1008
1007
1005
1004
1003
1001
999
997
996
995
994
993
993
992
992
991
992
992
993
993
994
997
999
1001

Ozone (du)

336
335
334
338
341
345
348
351
355
353
359
362
368
370
371
374
389
394
396
406
413
414
412
411

Tuesday 13

Waning Crescent 16%

05:37

13:27

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: 08:34, Set: 17:27, Transit: 13:01. Moon - Rise: 05:37, Set: 13:27. Civil Dark: 18:02 - 08:00. Nautical Dark: 18:40 - 07:22. Astro Dark: 19:17 - 06:45

Total Clouds (% Sky Obscured)

100
100
100
96
99
100
99
99
86
100
100
100
100
100
100
100
100
94
91
83
76
79
81
85

Low Clouds (% Sky Obscured)

100
100
100
90
92
98
90
74
77
100
100
100
100
100
100
100
100
93
88
82
76
79
81
85

Medium Clouds (% Sky Obscured)

30
28
31
89
94
94
92
90
50
55
58
3
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
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)

0
0
0
0
0
0
0
3
9
9
2
0
0
1
1
1
1
1
7
9
3
3
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
6
8
11
9
9
19
8
9
8
7
6
6
7
6

Precipitation Type

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

Precipitation Probability (%)

43
46
55
56
53
44
26
10
3
24
23
32
31
31
30
25
24
21
21
23
22
19
8
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

30
30
30
30
31
31
30
29
28
27
27
26
25
24
22
21
20
20
20
21
21
20
19
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-21
-22
-22
-23
-23
-24
-24
-24
-24
-23
-23
-23
-23
-22
-22
-21
-21
-21
-21
-21
-21
-21
-20
-20

Dew Point (°C)

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

Relative Humidity (%)

85
85
83
86
86
86
86
76
76
78
81
85
85
83
83
83
81
81
78
78
75
76
75
75

Pressure (mb)

1003
1005
1007
1008
1010
1011
1013
1014
1016
1017
1018
1019
1020
1020
1020
1020
1021
1021
1022
1022
1023
1023
1023
1023

Ozone (du)

418
420
425
424
448
463
469
463
454
454
449
452
450
448
447
456
451
434
433
435
435
438
437
433

Wednesday 14

Waning Crescent 10%

06:39

14:09

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: 08:33, Set: 17:29, Transit: 13:01. Moon - Rise: 06:39, Set: 14:09. Civil Dark: 18:03 - 07:59. Nautical Dark: 18:41 - 07:21. Astro Dark: 19:18 - 06:44

Total Clouds (% Sky Obscured)

89
90
94
93
90
92
90
88
92
95
99
98
100
99
100
100
99
100
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

89
90
94
93
90
92
86
79
84
89
83
58
56
58
64
60
14
5
5
72
80
84
89
89

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
50
93
93
100
98
100
95
99
99
99
100
100
100
100
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
5
9
90
90
90
95
99
96
22
99
95
100
96
100
100
100
100
100

ISS Passover

Visibility (miles)

3
3
3
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
0
0
0
5
3

Fog (%)

7
4
2
2
2
2
2
2
2
3
5
6
1
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
Snow
Snow
Snow
None
Snow
Snow

Precipitation Probability (%)

8
18
19
5
4
13
3
1
3
0
1
1
1
4
0
1
1
23
60
79
66
47
49
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
16
15
15
13
12
9
9
6
6
7
8
9
11
11
12
13
14
14
15
16
15
15
16

Chance of Frost

Temperature (°C)

-11
-11
-11
-11
-11
-12
-12
-12
-11
-11
-11
-11
-11
-10
-9
-9
-8
-8
-7
-7
-7
-7
-7
-7

Feels Like (°C)

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

Dew Point (°C)

-15
-15
-15
-15
-15
-16
-15
-15
-15
-15
-14
-13
-13
-12
-12
-12
-11
-11
-10
-9
-8
-8
-9
-9

Relative Humidity (%)

73
72
73
73
73
72
73
75
76
75
75
80
81
85
81
75
79
75
77
88
90
89
87
87

Pressure (mb)

1023
1022
1022
1022
1022
1021
1021
1020
1019
1019
1018
1017
1016
1014
1013
1011
1009
1007
1006
1004
1003
1002
1001
999

Ozone (du)

429
428
420
411
403
396
383
376
367
362
356
352
351
349
349
348
347
345
342
342
344
349
355
363

Thursday 15

Waning Crescent 5%

07:33

15:02

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: 08:33, Set: 17:30, Transit: 13:01. Moon - Rise: 07:33, Set: 15:02. Civil Dark: 18:04 - 07:58. Nautical Dark: 18:42 - 07:20. Astro Dark: 19:19 - 06:44

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)

89
90
92
93
94
82
92
90
92
94
96
92
90
91
93
94
96
96
97
97
93
95
94
94

Medium Clouds (% Sky Obscured)

56
98
99
99
100
100
100
100
100
100
100
100
100
100
100
87
100
100
91
95
100
100
100
99

High Clouds (% Sky Obscured)

47
40
35
25
5
25
42
55
55
62
81
86
83
70
67
71
84
64
64
81
70
60
62
60

ISS Passover

Visibility (miles)

8
7
9
9
9
9
9
3
0
0
4
2
1
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
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

48
48
43
48
54
56
54
51
60
64
62
63
66
74
70
66
67
69
75
75
62
59
62
57

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
14
14
13
12
11
10
9
8
7
6
8
9
10
11
12
12
12
11
12
13
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
89
87
87
89
89
90
90
94
96
90
89
94
94
98
92
94
94
94
94
92
91
90
90

Pressure (mb)

998
997
996
996
995
994
994
994
994
994
993
994
994
994
994
995
995
996
997
998
999
1000
1000
1001

Ozone (du)

373
378
380
379
379
379
377
375
375
378
382
388
392
395
397
397
398
398
399
403
409
410
404
403

Friday 16

Waning Crescent 1%

08:18

16:06

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: 08:32, Set: 17:32, Transit: 13:02. Moon - Rise: 08:18, Set: 16:06. Civil Dark: 18:06 - 07:58. Nautical Dark: 18:44 - 07:20. Astro Dark: 19:20 - 06:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
99
99
99
99
99
98
97
95
96

Low Clouds (% Sky Obscured)

94
89
78
93
96
96
95
95
94
94
94
95
96
96
98
99
99
99
99
98
98
97
95
96

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
99
99
98
98
96
96
97
95
96

High Clouds (% Sky Obscured)

75
79
58
65
54
59
76
85
77
69
58
64
70
76
45
80
60
30
5
0
0
0
0
0

ISS Passover

Visibility (miles)

8
9
9
1
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
53
57
67
77
82
84
79
73
74
75
72
68
67
61
59
58
57
56
55
54
53
51
48

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
12
11
9
6
14
17
22
21
22
22
24
24
24
24
26
25
25
26
25
25
25
24
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-10
-10
-10
-10
-13
-14
-16
-17
-18
-18
-19
-19
-20
-20
-19
-19
-19
-19
-19
-19
-20
-20
-20

Dew Point (°C)

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

Relative Humidity (%)

85
84
85
90
94
96
96
94
92
90
92
92
90
88
90
90
88
88
87
88
87
85
86
86

Pressure (mb)

1002
1002
1003
1003
1004
1005
1005
1006
1006
1007
1008
1009
1010
1010
1011
1012
1013
1013
1014
1015
1017
1017
1018
1019

Ozone (du)

408
408
409
409
407
401
394
399
396
392
408
427
435
440
449
448
447
445
443
441
439
446
453
460

Saturday 17

Waning Crescent 0%

08:53

17:17

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: 08:31, Set: 17:33, Transit: 13:02. Moon - Rise: 08:53, Set: 17:17. Civil Dark: 18:07 - 07:57. Nautical Dark: 18:45 - 07:19. Astro Dark: 19:21 - 06:43

Total Clouds (% Sky Obscured)

98
100
99
99
99
99
99
99
97
96
95
94
93
92
89
86
84
89
90
91
95
98
100
100

Low Clouds (% Sky Obscured)

97
97
96
95
95
94
91
88
87
85
84
89
92
92
89
86
84
89
90
91
95
98
100
100

Medium Clouds (% Sky Obscured)

98
99
98
96
94
80
67
54
41
40
35
31
27
24
19
10
0
0
0
0
18
33
40
40

High Clouds (% Sky Obscured)

0
0
6
15
25
15
6
0
0
0
0
0
0
0
0
0
0
0
0
0
4
15
30
23

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
1
1
1

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

Precipitation Probability (%)

45
42
41
40
39
38
37
38
37
36
37
35
35
34
31
29
27
25
24
24
22
22
22
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

23
22
22
22
23
24
23
23
23
23
22
22
21
20
20
19
18
18
17
17
17
16
15
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-20
-20
-21
-23
-22
-22
-22
-23
-23
-25
-25
-26
-25
-25
-26
-25
-25
-25
-25
-25
-26
-24
-24
-24

Dew Point (°C)

-14
-14
-14
-15
-15
-16
-16
-17
-17
-18
-18
-18
-18
-18
-18
-18
-18
-17
-18
-18
-18
-17
-18
-18

Relative Humidity (%)

85
85
84
84
86
86
86
86
86
86
86
87
86
86
84
85
84
85
84
84
84
84
82
82

Pressure (mb)

1019
1020
1020
1020
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022

Ozone (du)

467
473
479
484
489
493
499
504
510
504
498
491
493
494
495
491
488
484
473
461
450
441
432
423

Sunday 18

New Moon 1%

09:20

18:30

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: 08:30, Set: 17:34, Transit: 13:02. Moon - Rise: 09:20, Set: 18:30. Civil Dark: 18:08 - 07:56. Nautical Dark: 18:46 - 07:19. Astro Dark: 19:23 - 06:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
99
99
99
98
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

100
100
100
99
99
98
93
93
87
84
80
79
80
81
80
80
90
95
94
95

Medium Clouds (% Sky Obscured)

31
31
41
51
56
71
80
87
87
86
79
67
56
34
41
55
70
50
33
14

High Clouds (% Sky Obscured)

9
2
7
12
13
24
36
48
63
64
85
85
90
95
85
99
99
99
100
98

ISS Passover

Visibility (miles)

1
1
2
4
6
9
7
5
4
2
1
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

Precipitation Type

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

Precipitation Probability (%)

19
17
16
15
13
16
18
19
22
27
32
39
43
44
42
40
37
35
32
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0.1
0.1
0
0
0
0

Wind Speed/Direction (mph)

12
10
9
8
8
8
6
6
6
7
7
8
8
8
9
8
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-24
-24
-24
-22
-21
-21
-21
-20
-20
-19
-19
-19
-20
-20
-20
-17
-17
-17
-17
-16

Dew Point (°C)

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

Relative Humidity (%)

81
81
81
81
79
77
77
79
79
83
84
88
86
84
83
83
83
81
83
85

Pressure (mb)

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

Ozone (du)

418
413
408
404
400
396
396
395
395
393
391
389
391
393
395
398
400
403
416
428

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

Generated: 12/01/26 23:25:59. Forecast: 12/01/26 to 18/01/26. Timezone: UTC-5.00