Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 25

First Quarter 53%

11:31

04:49

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:42, Set: 20:12, Transit: 13:57. Moon - Rise: 11:31, Set: 04:49. Civil Dark: 20:43 - 07:11. Nautical Dark: 21:19 - 06:33. Astro Dark: 21:57 - 05:54

Total Clouds (% Sky Obscured)

85
88
91
100
100
100
100
91
86
95
85
78
73
90
78
94
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
37
58
26
5
52
62
68
65
36
12
19
41
72
47
72
98
84
100
97
100
91
100
94

Medium Clouds (% Sky Obscured)

85
88
91
100
100
100
100
91
85
70
72
30
19
14
21
32
42
25
25
45
40
39
100
100

High Clouds (% Sky Obscured)

85
88
66
53
40
0
0
0
0
0
0
0
2
44
4
10
45
53
55
38
50
44
86
35

ISS Passover

Visibility (miles)

9
7
3
1
9
9
4
2
0
0
0
0
0
0
0
0
9
9
9
1
4
6
2
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
Snow
Snow
Light Rain
None
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

30
42
84
87
36
50
68
37
19
8
18
11
19
2
11
6
1
2
17
1
17
6
12
14

Precipitation Amount (mm)

0
0.4
0.9
0.6
0
0
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
17
18
11
11
11
8
7
7
8
6
7
10
9
10
11
11
12
13
12
12
12
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-6
-6
-5
-5
-4
-2
-2
-1
-0
-1
-1
-3
-3
-4
-5
-6
-7
-8
-9
-10
-10
-12
-11

Dew Point (°C)

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

Relative Humidity (%)

91
89
94
96
96
93
94
96
98
100
98
100
100
100
98
100
96
91
91
91
89
87
87
85

Pressure (mb)

1017
1015
1014
1013
1011
1010
1009
1008
1007
1007
1007
1007
1008
1009
1010
1010
1010
1010
1011
1011
1012
1011
1012
1012

Ozone (du)

366
364
361
357
354
355
354
354
350
351
349
348
346
343
343
343
338
332
330
331
329
327
327
325

Thursday 26

Waxing Gibbous 64%

12:44

05:28

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 Good
22 Good
23 Bad
00 Bad
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:40, Set: 20:14, Transit: 13:57. Moon - Rise: 12:44, Set: 05:28. Civil Dark: 20:44 - 07:09. Nautical Dark: 21:21 - 06:30. Astro Dark: 21:59 - 05:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
96
86
68
42
3
3
44
45
30
52
76
83
93
100

Low Clouds (% Sky Obscured)

93
94
100
100
100
100
90
97
100
100
91
75
66
24
2
2
34
30
25
52
76
83
90
88

Medium Clouds (% Sky Obscured)

100
95
99
100
100
100
93
90
100
94
61
44
0
0
0
0
0
0
0
0
0
17
35
52

High Clouds (% Sky Obscured)

100
100
73
82
100
90
70
65
94
65
32
70
68
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
0
1
4
2
3
2
9
7
6
6
4
9
9
9
9
9
9
9
9
9
8
8
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

33
40
30
26
30
27
18
8
23
5
17
19
5
2
1
0
0
0
0
0
0
6
13
1

Precipitation Amount (mm)

0
0.1
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
13
14
15
15
15
16
15
16
16
16
17
20
18
18
20
18
17
16
15
14
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-8
-8
-9
-9
-10
-10
-10
-10
-10
-9
-10
-11
-13
-14
-14
-14
-14
-14
-14
-14
-14
-14

Relative Humidity (%)

85
87
85
84
82
82
79
77
79
76
73
74
69
67
57
55
57
58
59
59
59
59
58
58

Pressure (mb)

1014
1014
1014
1015
1016
1017
1017
1018
1018
1019
1020
1021
1022
1023
1025
1026
1027
1028
1028
1029
1029
1030
1031
1031

Ozone (du)

325
327
327
326
324
323
324
327
326
326
329
334
340
347
354
358
364
368
376
376
386
389
387
384

Friday 27

Waxing Gibbous 75%

14:04

05:57

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:38, Set: 20:15, Transit: 13:56. Moon - Rise: 14:04, Set: 05:57. Civil Dark: 20:46 - 07:07. Nautical Dark: 21:22 - 06:28. Astro Dark: 22:01 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
97
98
100
100
98
88
87
85
73
73
83
90
98
98
99

Low Clouds (% Sky Obscured)

89
92
93
92
91
84
81
95
86
88
78
74
100
68
78
83
81
70
66
78
85
94
86
80

Medium Clouds (% Sky Obscured)

100
100
100
100
100
96
99
97
80
79
84
82
100
36
60
60
43
3
0
3
6
10
27
40

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
4
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
0
0
9
9
9
9
9
3
3
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
Snow
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
1
16
8
9
3
2
14
8
10
13
24
58
53
30
8
3
3
15
8
19
19
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-8
-8
-8
-8
-8
-8
-7
-7
-7
-7
-7
-7
-7
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6

Feels Like (°C)

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

Dew Point (°C)

-15
-15
-15
-15
-14
-13
-13
-12
-12
-11
-13
-13
-12
-10
-8
-7
-13
-13
-13
-13
-13
-13
-12
-12

Relative Humidity (%)

58
59
58
59
60
63
64
67
70
70
63
63
64
73
90
90
58
57
57
57
57
61
63
63

Pressure (mb)

1032
1033
1033
1034
1034
1034
1034
1033
1033
1033
1032
1032
1032
1032
1031
1032
1032
1032
1032
1032
1032
1032
1032
1032

Ozone (du)

383
388
397
399
402
404
407
410
420
430
439
451
464
478
491
499
504
510
508
506
504
505
503
501

Saturday 28

Waxing Gibbous 84%

15:24

06:19

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 OK
22 Good
23 Good
00 Good
01 Good
02 OK
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:36, Set: 20:16, Transit: 13:56. Moon - Rise: 15:24, Set: 06:19. Civil Dark: 20:47 - 07:05. Nautical Dark: 21:24 - 06:26. Astro Dark: 22:03 - 05:47

Total Clouds (% Sky Obscured)

100
92
78
73
72
44
98
97
93
86
68
65
58
46
31
17
14
11
7
34
53
54
69
78

Low Clouds (% Sky Obscured)

76
69
58
57
55
28
23
45
39
19
12
25
32
27
17
13
13
6
3
3
6
7
65
70

Medium Clouds (% Sky Obscured)

50
50
60
65
70
44
98
95
81
75
66
57
38
23
9
0
0
0
0
5
11
19
22
25

High Clouds (% Sky Obscured)

8
18
35
45
30
14
0
0
0
0
0
0
0
0
0
0
1
4
5
27
35
27
48
31

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 (%)

13
8
6
0
0
0
0
0
0
0
5
5
4
2
2
0
1
1
0
0
0
0
0
0

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)

20
19
18
18
16
16
16
17
17
15
14
14
12
10
8
6
5
6
7
8
10
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-16
-15
-15
-14
-13
-12
-13
-13
-11
-11
-9
-8
-7
-6
-5
-5
-6
-6
-6
-7
-7
-7
-7

Dew Point (°C)

-13
-13
-13
-13
-13
-12
-12
-11
-11
-10
-9
-9
-8
-8
-8
-7
-7
-7
-7
-7
-6
-5
-5
-5

Relative Humidity (%)

63
62
59
61
59
61
61
61
61
63
64
65
65
67
68
72
72
73
73
73
78
82
82
81

Pressure (mb)

1032
1032
1032
1032
1032
1032
1032
1031
1031
1030
1029
1029
1028
1028
1028
1028
1028
1028
1027
1027
1026
1025
1025
1024

Ozone (du)

497
486
477
468
461
457
460
461
456
451
449
445
440
436
431
427
424
417
412
410
408
404
401
400

Sunday 29

Waxing Gibbous 91%

16:42

06:37

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:34, Set: 20:18, Transit: 13:56. Moon - Rise: 16:42, Set: 06:37. Civil Dark: 20:49 - 07:03. Nautical Dark: 21:26 - 06:24. Astro Dark: 22:04 - 05:45

Total Clouds (% Sky Obscured)

82
86
90
94
96
97
99
99
100
100
100
100
100
100
100
100
100
100
100
90
80
71
67
63

Low Clouds (% Sky Obscured)

70
70
70
65
65
65
60
60
65
22
3
0
3
22
39
54
34
19
2
1
1
0
4
6

Medium Clouds (% Sky Obscured)

81
86
90
94
96
97
99
98
97
95
94
96
96
98
99
100
99
98
96
68
39
11
7
4

High Clouds (% Sky Obscured)

31
46
47
40
47
48
59
69
85
100
100
100
100
73
47
20
56
78
99
90
80
71
67
37

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 (%)

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

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
86
84
80
77
78
81
82
83
85
85
86
88
86
84
84
83
86
86
89
89
89
88
89

Pressure (mb)

1024
1023
1023
1023
1022
1022
1021
1020
1019
1018
1017
1016
1016
1016
1015
1014
1014
1013
1013
1013
1013
1013
1012
1013

Ozone (du)

400
399
398
397
396
394
394
393
392
391
388
384
382
379
378
377
376
376
376
376
376
376
376
376

Monday 30

Waxing Gibbous 96%

17:56

06:52

07 Bad
08 Bad
09 Bad
10 OK
11 OK
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

Sun - Rise: 07:32, Set: 20:19, Transit: 13:56. Moon - Rise: 17:56, Set: 06:52. Civil Dark: 20:50 - 06:59. Nautical Dark: 21:27 - 06:22. Astro Dark: 22:06 - 05:43

Total Clouds (% Sky Obscured)

61
52
38
9
32
45
53
67
69
78
86
93
100
100
100
100
97
94
92
93
95
96
98
98

Low Clouds (% Sky Obscured)

11
16
14
3
7
13
22
14
7
6
7
4
1
14
24
36
29
33
32
36
40
45
44
41

Medium Clouds (% Sky Obscured)

1
1
1
1
1
2
2
12
28
44
62
80
99
91
83
75
71
68
64
70
75
80
76
72

High Clouds (% Sky Obscured)

15
4
2
4
15
27
26
35
39
43
41
31
18
36
57
80
74
66
65
75
85
80
62
50

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 (%)

0
0
0
0
1
4
6
5
3
0
0
0
0
0
0
0
4
8
12
12
11
4
4
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-4
-4
-5
-5
-5
-4
-4
-4
-4
-3
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

93
94
93
94
92
94
93
93
91
88
88
88
86
86
86
84
86
83
81
80
83
86
89
87

Pressure (mb)

1014
1014
1016
1017
1018
1018
1019
1019
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021

Ozone (du)

375
375
376
377
379
381
383
385
383
382
380
376
371
367
367
366
366
365
365
364
364
364
364
365

Tuesday 31

Waxing Gibbous 99%

19:08

07:07

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
01 Bad

Sun - Rise: 07:30, Set: 20:21, Transit: 13:55. Moon - Rise: 19:08, Set: 07:07. Civil Dark: 20:52 - 06:57. Nautical Dark: 21:29 - 06:20. Astro Dark: 22:08 - 05:40

Total Clouds (% Sky Obscured)

99
97
95
93
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

37
32
23
15
36
61
86
90
93
97
98
98
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

67
61
56
44
46
49
71
97
100
100
100
100
100
100
100
94
98
96
99

High Clouds (% Sky Obscured)

52
62
73
87
85
84
83
69
59
36
26
20
20
47
75
100
89
82
77

ISS Passover

Visibility (miles)

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

Fog (%)

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
Ice pellet
Ice pellet
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
3
5
5
22
33
44
63
75
80
74
70
65
68
70
71

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
16
17
18
20
21
22
23
23
23
23
24
24
25
25
25
26
25
25

Chance of Frost

Temperature (°C)

0
0
0
0
0
0
0
-0
0
0
0
0
0
0
0
0
-0
0
-0

Feels Like (°C)

-5
-5
-6
-6
-6
-7
-7
-7
-9
-9
-9
-9
-10
-10
-9
-9
-10
-10
-10

Dew Point (°C)

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

Relative Humidity (%)

86
84
84
86
86
84
84
84
87
91
92
94
92
94
94
94
94
94
96

Pressure (mb)

1021
1021
1021
1021
1021
1020
1019
1019
1018
1017
1016
1016
1015
1015
1014
1014
1014
1013
1012

Ozone (du)

365
366
365
365
365
363
361
360
360
361
361
359
357
354
353
352
351
351
351

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

Generated: 25/03/26 07:20:17. Forecast: 25/03/26 to 31/03/26. Timezone: UTC-4.00