Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 31

Waxing Gibbous 92%

14:06

05:50

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
23 Bad
00 Bad

Sun - Rise: 08:39, Set: 17:11, Transit: 12:55. Moon - Rise: 14:06, Set: 05:50. Civil Dark: 17:47 - 08:03. Nautical Dark: 18:25 - 07:24. Astro Dark: 19:03 - 06:47

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
92
100
100
100
97
100
78

Low Clouds (% Sky Obscured)

94
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
85
100
100
100
97
100
77

Medium Clouds (% Sky Obscured)

41
48
40
94
100
58
93
76
36
33
11
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
2
3
5
33
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
7
41
50
2
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

35
60
36
42
40
47
51
48
42
35
34
37
29
15
20
11
6
6
5
10
16
12
12
13

Precipitation Amount (mm)

0.1
0.6
0.1
0.2
0.1
0.2
0.2
0.2
0.2
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
12
13
14
18
19
20
21
23
24
23
25
25
25
25
24
25
25
25
24
24
23
23
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-12
-12
-12
-12
-12
-12
-13
-13
-14
-14
-14
-15
-15
-15
-16
-16
-16
-16
-16
-16
-16
-16
-16

Relative Humidity (%)

80
78
77
78
78
80
81
81
81
80
80
80
79
76
75
73
73
73
73
75
76
79
78
79

Pressure (mb)

1011
1010
1010
1010
1010
1010
1010
1010
1009
1010
1010
1010
1011
1011
1011
1012
1012
1013
1014
1014
1014
1014
1014
1014

Ozone (du)

367
365
364
360
353
357
365
368
369
376
387
402
413
419
416
414
407
403
397
392
393
394
387
369

Thursday 1

Waxing Gibbous 98%

14:56

07:13

01 Bad
02 Bad
03 Bad
04 Bad
05 OK
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
23 Bad
00 Bad

Sun - Rise: 08:39, Set: 17:12, Transit: 12:55. Moon - Rise: 14:56, Set: 07:13. Civil Dark: 17:47 - 08:03. Nautical Dark: 18:26 - 07:24. Astro Dark: 19:04 - 06:47

Total Clouds (% Sky Obscured)

92
95
91
66
26
36
50
72
67
75
72
68
69
81
92
97
99
92
87
80
76
77
77
76

Low Clouds (% Sky Obscured)

91
92
88
66
26
36
50
69
59
71
71
68
67
69
75
74
73
53
55
80
76
77
77
76

Medium Clouds (% Sky Obscured)

0
0
0
2
3
2
5
24
36
44
27
3
2
19
59
86
94
86
61
7
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)

6
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
0
0
2
4
3
3
7

Fog (%)

1
16
9
16
2
6
2
2
1
1
1
1
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 (%)

8
11
13
3
1
4
0
0
0
2
1
1
0
0
5
22
28
30
28
11
18
6
14
4

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
78
78
76
76
74
76
73
72
72
72
70
69
69
70
73
81
81
78
75
73
73
70

Pressure (mb)

1014
1014
1015
1014
1014
1013
1013
1014
1013
1013
1013
1013
1012
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009

Ozone (du)

363
358
352
349
348
347
348
349
350
354
358
360
359
358
358
358
359
365
367
369
372
371
367
359

Friday 2

Waxing Gibbous 100%

16:04

08:25

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
23 Bad
00 Bad

Sun - Rise: 08:39, Set: 17:13, Transit: 12:56. Moon - Rise: 16:04, Set: 08:25. Civil Dark: 17:48 - 08:03. Nautical Dark: 18:27 - 07:24. Astro Dark: 19:05 - 06:47

Total Clouds (% Sky Obscured)

78
81
81
83
86
75
73
85
86
73
82
83
82
80
52
48
43
71
83
91
100
100
100
100

Low Clouds (% Sky Obscured)

78
81
81
83
79
56
50
69
66
43
65
66
67
64
38
35
36
63
78
88
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
3
2
2
2
0
3

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

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 (%)

1
2
2
1
1
11
0
2
15
4
6
5
2
4
12
2
6
1
7
15
9
16
24
25

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)

24
24
24
24
24
24
24
23
22
22
23
23
23
23
23
24
24
24
24
24
24
23
22
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-21
-21
-21
-21
-21
-21
-21
-21
-21
-21
-20
-20
-20
-20
-20
-19
-19
-19
-19
-19
-19
-20
-19
-19

Dew Point (°C)

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

Relative Humidity (%)

69
69
69
70
72
72
73
75
75
76
76
76
76
75
75
75
74
74
75
75
75
77
77
78

Pressure (mb)

1009
1009
1010
1010
1010
1010
1011
1011
1011
1011
1012
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1014
1014
1014

Ozone (du)

353
351
355
344
341
337
337
335
338
342
342
343
344
340
340
341
339
338
339
340
341
339
337
338

Saturday 3

Full Moon 100%

17:24

09:20

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
23 Bad
00 Bad

Sun - Rise: 08:39, Set: 17:14, Transit: 12:56. Moon - Rise: 17:24, Set: 09:20. Civil Dark: 17:49 - 08:03. Nautical Dark: 18:28 - 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
100
100
100
100
100
99
97
96

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
95
93

Medium Clouds (% Sky Obscured)

3
15
13
6
16
16
14
20
25
46
68
86
49
74
76
87
90
90
25
18
14
16
20
27

High Clouds (% Sky Obscured)

36
19
24
32
40
45
46
42
28
17
32
47
31
16
0
0
0
0
0
0
0
0
1
1

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

28
28
30
30
29
30
29
30
28
29
27
27
29
37
42
44
38
29
20
13
16
11
18
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
19
17
17
18
17
18
18
18
18
17
17
17
17
17
17
17
18
18
19
19
19
19
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-19
-19
-18
-18
-18
-19
-18
-19
-19
-19
-19
-18
-18
-18
-18
-18
-18
-17
-17
-18
-18
-18
-18
-18

Dew Point (°C)

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

Relative Humidity (%)

78
78
78
78
78
80
78
77
77
76
77
77
77
80
87
87
87
85
75
71
74
74
74
75

Pressure (mb)

1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1018
1018
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

336
334
338
337
340
342
347
353
353
351
349
346
345
345
342
341
340
339
337
333
331
331
332
331

Sunday 4

Waning Gibbous 99%

18:49

09:59

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
23 Bad
00 Bad

Sun - Rise: 08:38, Set: 17:15, Transit: 12:57. Moon - Rise: 18:49, Set: 09:59. Civil Dark: 17:50 - 08:03. Nautical Dark: 18:29 - 07:24. Astro Dark: 19:06 - 06:47

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

93
93
93
91
90
87
88
90
92
92
93
92
99
99
100
100
99
99
96
92
89
85
81
81

Medium Clouds (% Sky Obscured)

28
25
27
26
22
22
22
22
27
32
28
28
5
5
5
10
14
23
19
15
15
15
11
16

High Clouds (% Sky Obscured)

7
11
16
14
13
10
18
25
35
39
44
48
54
19
38
45
30
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
5
6
5
5
5
7
7
7
8
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None

Precipitation Probability (%)

9
18
7
9
16
4
1
6
11
10
12
12
17
23
29
41
50
57
51
46
42
38
35
32

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
16
17
16
16
18
17
17
18
19
19
19
19
20
19
19
20
20
21
20
19
19
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
74
74
74
75
77
77
77
78
77
77
77
77
75
75
74
73
73
71
73
71
71
73
73

Pressure (mb)

1018
1018
1018
1019
1018
1018
1018
1018
1018
1018
1018
1018
1017
1018
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

330
332
337
347
348
345
343
342
340
340
335
331
328
328
329
329
331
332
334
335
337
338
339
340

Monday 5

Waning Gibbous 95%

20:12

10:28

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
23 OK
00 OK

Sun - Rise: 08:38, Set: 17:16, Transit: 12:57. Moon - Rise: 20:12, Set: 10:28. Civil Dark: 17:51 - 08:03. Nautical Dark: 18:30 - 07:24. Astro Dark: 19:07 - 06:47

Total Clouds (% Sky Obscured)

94
94
92
88
84
83
88
88
92
93
93
92
95
97
100
94
87
79
74
65
61
45
30
14

Low Clouds (% Sky Obscured)

77
69
66
63
69
76
70
63
53
46
48
51
63
75
91
80
68
56
48
36
27
21
16
10

Medium Clouds (% Sky Obscured)

21
30
40
60
60
60
57
66
71
74
77
79
88
95
100
79
59
40
52
62
61
44
21
2

High Clouds (% Sky Obscured)

6
12
17
22
28
37
55
66
78
59
39
26
23
15
7
5
3
2
2
6
11
8
3
0

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 (%)

27
21
13
12
11
10
8
6
0
0
0
0
10
15
20
20
20
18
18
16
13
13
12
11

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)

18
17
17
17
16
16
15
15
14
14
13
13
13
12
10
9
9
9
9
8
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-15
-14
-15
-14
-15
-15
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13
-12
-10
-9
-9
-9
-9

Dew Point (°C)

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

Relative Humidity (%)

74
73
71
71
71
70
70
70
69
69
69
69
69
66
66
63
63
62
62
61
60
60
59
59

Pressure (mb)

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

Ozone (du)

341
341
341
341
343
345
348
348
349
349
349
349
348
348
348
347
348
348
348
349
349
349
347
344

Tuesday 6

Waning Gibbous 89%

21:31

10:49

Sun - Rise: 08:38, Set: 17:17, Transit: 12:58. Moon - Rise: 21:31, Set: 10:49. Civil Dark: 17:52 - 08:03. Nautical Dark: 18:31 - 07:24. Astro Dark: 19:08 - 06:47

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 31/12/25 01:21:07. Forecast: 31/12/25 to 06/01/26. Timezone: UTC-5.00