Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Full Moon 100%

17:19

09:42

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
20 Bad
21 Bad

Sun - Rise: 08:24, Set: 17:01, Transit: 12:42. Moon - Rise: 17:19, Set: 09:42. Civil Dark: 17:36 - 07:49. Nautical Dark: 18:15 - 07:10. Astro Dark: 18:52 - 06:33

Total Clouds (% Sky Obscured)

100
100
100
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
79
46
79
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
91
77
24
22
15
24
7
0
0
32
45
45
50
90
99
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
5
0
0
0
0
0
13
12
15
28
59
72
41
79
81
80
78
80
68
65
49
98

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
2
2
7
20
37
3
0
0
0
1
3
2
0
0
0
1
1
0

Precipitation Type

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

Precipitation Probability (%)

6
2
66
66
67
59
55
56
48
46
50
40
42
32
33
28
32
34
36
40
49
50
53
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

27
28
29
21
21
21
21
20
18
15
13
12
9
8
11
12
12
11
11
11
10
13
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-17
-16
-16
-15
-15
-15
-15
-13
-12
-11
-11
-10
-9
-10
-11
-11
-10
-11
-10
-10
-10
-10
-10

Dew Point (°C)

-13
-11
-9
-9
-8
-8
-8
-7
-6
-6
-6
-6
-7
-6
-6
-6
-6
-6
-7
-5
-5
-4
-5
-4

Relative Humidity (%)

67
80
88
87
90
89
82
85
89
84
84
84
84
87
87
85
84
82
81
87
87
89
86
87

Pressure (mb)

1012
1011
1010
1009
1008
1008
1007
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1004
1003
1003
1003
1002
1002
1002

Ozone (du)

357
360
363
364
363
369
376
376
378
382
380
373
370
363
367
372
376
379
380
380
385
394
408
410

Friday 5

Waning Gibbous 97%

18:34

10:46

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
20 Bad
21 Bad

Sun - Rise: 08:25, Set: 17:01, Transit: 12:43. Moon - Rise: 18:34, Set: 10:46. Civil Dark: 17:36 - 07:50. Nautical Dark: 18:15 - 07:11. Astro Dark: 18:52 - 06:34

Total Clouds (% Sky Obscured)

95
100
100
100
100
100
100
100
100
100
100
100
100
97
91
93
82
87
82
85
96
99
100
100

Low Clouds (% Sky Obscured)

88
100
100
100
100
100
100
100
100
100
100
100
100
97
90
91
81
86
78
76
78
77
84
91

Medium Clouds (% Sky Obscured)

91
72
27
29
13
0
0
0
0
0
0
0
0
0
0
0
0
3
0
2
35
48
55
60

High Clouds (% Sky Obscured)

44
14
4
0
0
0
0
0
0
0
0
0
0
0
0
0
4
5
0
2
3
5
10
10

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

37
40
48
44
34
23
23
29
32
29
24
28
21
24
15
10
21
7
3
2
14
0
19
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
19
18
18
22
23
23
22
21
20
19
17
16
15
13
12
12
12
11
11
10
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-9
-8
-8
-9
-12
-14
-14
-14
-14
-15
-15
-15
-15
-16
-16
-16
-16
-16
-17
-17
-17
-17
-17

Relative Humidity (%)

72
73
79
84
77
64
63
63
64
65
65
65
64
64
61
60
60
60
59
57
55
54
53
53

Pressure (mb)

1002
1002
1003
1003
1004
1006
1007
1007
1008
1009
1010
1011
1012
1013
1014
1014
1015
1015
1016
1016
1016
1017
1017
1017

Ozone (du)

411
411
411
410
408
402
403
407
407
406
408
413
413
415
425
417
408
405
399
394
391
388
387
389

Saturday 6

Waning Gibbous 92%

19:57

11:32

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
20 Bad
21 Bad

Sun - Rise: 08:26, Set: 17:01, Transit: 12:43. Moon - Rise: 19:57, Set: 11:32. Civil Dark: 17:36 - 07:51. Nautical Dark: 18:15 - 07:12. Astro Dark: 18:52 - 06:35

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
95
92
94
88
91
92
95

Low Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
100
97
100
100
100
100
100
100
100
94
89
94
85
89
90
93

Medium Clouds (% Sky Obscured)

55
30
5
49
28
43
24
5
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

14
67
95
95
90
90
90
95
90
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
1
2
3
6
40
18
5
7
7
7
7
7
7
7
7
7
7

Precipitation Type

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

Precipitation Probability (%)

16
28
34
39
24
22
29
27
22
26
20
26
27
18
26
26
15
21
8
11
8
9
15
20

Precipitation Amount (mm)

0
0
0.1
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)

8
10
11
12
15
16
16
16
17
18
18
18
18
19
18
18
17
17
16
15
14
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-16
-16
-16
-16
-17
-17
-18
-18
-18
-18
-18
-18
-19
-18
-18
-18
-17
-17
-17
-16
-15
-15
-15

Dew Point (°C)

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

Relative Humidity (%)

55
57
60
60
63
62
62
61
64
64
65
66
66
66
66
68
68
66
68
67
64
61
60
58

Pressure (mb)

1017
1018
1018
1018
1019
1019
1019
1019
1020
1021
1021
1022
1023
1024
1024
1025
1025
1025
1026
1026
1027
1027
1027
1028

Ozone (du)

387
382
388
390
399
421
431
431
433
438
438
436
436
448
456
455
452
452
456
456
456
448
443
440

Sunday 7

Waning Gibbous 84%

21:19

12:05

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
20 Bad
21 Bad

Sun - Rise: 08:27, Set: 17:01, Transit: 12:44. Moon - Rise: 21:19, Set: 12:05. Civil Dark: 17:36 - 07:52. Nautical Dark: 18:15 - 07:13. Astro Dark: 18:52 - 06:35

Total Clouds (% Sky Obscured)

96
97
100
98
98
98
98
98
99
99
99
99
94
90
87
88
89
90
94
96
97
98
99
100

Low Clouds (% Sky Obscured)

90
88
88
86
83
62
38
37
40
41
50
86
80
76
73
61
60
55
64
77
85
83
85
86

Medium Clouds (% Sky Obscured)

18
34
48
46
52
86
86
88
88
86
84
84
75
66
66
77
87
64
35
31
31
32
34
35

High Clouds (% Sky Obscured)

0
0
3
2
12
8
35
41
46
46
40
35
30
5
30
14
17
21
16
14
13
55
84
100

ISS Passover

Visibility (miles)

9
9
8
8
9
9
9
9
9
9
9
9
9
9
8
3
2
2
1
0
0
0
0
0

Fog (%)

7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7

Precipitation Type

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

Precipitation Probability (%)

12
10
9
7
6
6
7
4
1
2
2
2
4
8
20
24
26
25
28
31
32
32
34
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
9
9
10
9
10
12
13
13
13
14
14
15
16
16
16
15
15
15
15
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
55
56
59
60
63
75
85
80
75
71
71
71
71
80
80
80
82
82
89
90
90
90
92

Pressure (mb)

1028
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1026
1025
1024
1023
1022
1021
1020
1019
1018
1018
1017
1016
1015

Ozone (du)

438
434
430
428
430
430
420
417
416
420
419
426
428
416
413
413
415
412
416
417
420
421
422
426

Monday 8

Waning Gibbous 75%

No Rise

12:28

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
20 Bad
21 Bad

Sun - Rise: 08:28, Set: 17:00, Transit: 12:44. Moon - Rise: No Rise, Set: 12:28. Civil Dark: 17:36 - 07:53. Nautical Dark: 18:15 - 07:14. Astro Dark: 18:52 - 06:36

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

80
78
73
80
87
90
92
91
89
93
97
100
98
96
93
98
99
99
99
99
99
99
99
99

Medium Clouds (% Sky Obscured)

100
99
99
99
100
94
100
99
95
70
83
70
77
90
100
97
98
98
96
95
92
96
98
100

High Clouds (% Sky Obscured)

91
79
72
60
23
13
39
48
55
50
50
45
63
82
100
51
84
73
62
60
70
80
90
100

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
8
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7

Precipitation Type

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

Precipitation Probability (%)

40
37
37
42
50
51
48
46
42
46
44
44
42
39
33
33
31
30
29
30
32
48
59
69

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
16
16
18
17
17
16
16
16
17
16
14
12
10
10
10
8
6
4
5
7
9
10
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-15
-15
-15
-16
-15
-15
-14
-13
-12
-12
-11
-9
-8
-8
-8
-9
-9
-9
-9
-9
-8
-7
-8

Dew Point (°C)

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

Relative Humidity (%)

90
92
92
90
92
92
92
87
80
84
89
90
92
92
91
91
89
91
89
89
89
89
89
92

Pressure (mb)

1014
1013
1012
1011
1010
1010
1009
1007
1006
1005
1005
1004
1003
1003
1002
1001
1002
1002
1001
1001
1001
1000
1000
999

Ozone (du)

427
423
423
426
422
414
407
395
382
367
361
352
347
345
346
343
344
346
347
346
345
344
342
339

Tuesday 9

Waning Gibbous 65%

22:38

12:47

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
20 Bad
21 Bad

Sun - Rise: 08:29, Set: 17:00, Transit: 12:45. Moon - Rise: 22:38, Set: 12:47. Civil Dark: 17:36 - 07:53. Nautical Dark: 18:15 - 07:14. Astro Dark: 18:52 - 06:37

Total Clouds (% Sky Obscured)

100
100
100
99
98
97
98
99
100
100
100
100
100
100
100
97
93
91
96
98
100
99
99
99

Low Clouds (% Sky Obscured)

98
97
95
95
96
97
98
99
100
100
100
100
98
94
90
69
47
14
14
10
10
30
47
68

Medium Clouds (% Sky Obscured)

100
100
100
99
97
94
76
62
47
54
47
45
45
45
45
35
30
30
27
28
27
35
37
31

High Clouds (% Sky Obscured)

100
100
100
79
65
62
52
37
15
25
50
55
55
70
85
95
93
91
96
98
100
85
70
60

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
3
6
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7

Precipitation Type

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

Precipitation Probability (%)

72
76
79
76
73
71
70
70
71
66
61
55
49
42
34
27
21
15
14
11
4
20
28
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
15
19
24
26
28
30
31
33
34
35
34
35
33
31
30
29
27
26
25
25
24
24
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-8
-8
-9
-11
-12
-12
-12
-13
-17
-17
-18
-17
-18
-17
-19
-19
-19
-19
-20
-19
-17
-17

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
94
94
92
92
92
90
89
84
80
77
74
73
70
69
67
67
66
64
63
62

Pressure (mb)

998
998
997
997
997
997
997
998
998
999
999
1000
1001
1001
1002
1002
1003
1004
1004
1005
1005
1006
1006
1006

Ozone (du)

337
336
334
333
334
336
338
338
339
340
341
342
344
345
345
346
347
348
350
349
349
348
348
349

Wednesday 10

Waning Gibbous 54%

23:52

13:03

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

Sun - Rise: 08:30, Set: 17:00, Transit: 12:45. Moon - Rise: 23:52, Set: 13:03. Civil Dark: 17:36 - 07:54. Nautical Dark: 18:15 - 07:15. Astro Dark: 18:52 - 06:38

Total Clouds (% Sky Obscured)

94
89
83
88
94
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

63
57
51
67
84
100
100
100
100
99
98
96
97
99
100
92
86
90
97
98
100

Medium Clouds (% Sky Obscured)

22
10
3
7
9
12
22
30
45
51
53
35
27
24
10
4
4
9
9
14
14

High Clouds (% Sky Obscured)

44
41
27
31
35
30
34
40
47
59
56
71
57
47
34
34
43
47
32
18
3

ISS Passover

Visibility (miles)

9
9
9
9
8
6
5
5
5
5
6
6
7
8
9
9
9
9
9
9
8

Fog (%)

7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7

Precipitation Type

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

Precipitation Probability (%)

31
31
33
28
29
34
31
29
31
27
25
26
23
20
18
18
19
18
19
19
21

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

21
19
18
17
16
15
15
14
14
14
13
12
11
12
12
12
11
11
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-12
-12
-12
-11
-11
-11
-11
-10
-10
-11
-11
-11
-12
-12
-12
-12
-12
-13
-12
-13

Relative Humidity (%)

62
63
63
63
65
66
67
66
67
66
65
62
61
62
62
63
62
61
60
61
61

Pressure (mb)

1007
1007
1007
1007
1008
1008
1009
1010
1010
1011
1012
1012
1013
1014
1014
1015
1015
1015
1015
1016
1016

Ozone (du)

349
349
349
349
344
339
334
335
335
336
334
333
331
330
328
326
326
326
326
333
339

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

Generated: 04/12/25 22:00:09. Forecast: 04/12/25 to 10/12/25. Timezone: UTC-5.00