Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

Waning Gibbous 60%

03:22

10:50

14 Good
15 Good
16 Good
17 Good
18 Good
19 OK
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

Sun - Rise: 07:50, Set: 20:05, Transit: 13:58. Moon - Rise: 03:22, Set: 10:50. Civil Dark: 20:36 - 07:19. Nautical Dark: 21:12 - 06:43. Astro Dark: 21:49 - 06:05

Total Clouds (% Sky Obscured)

3
2
3
3
7
37
94
98
94
94
96
99
100
94
96
98
99
97
98
82
83
99
93
93

Low Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
28
33
0
0
42
52
52
46
46
31
0
55
74
89

Medium Clouds (% Sky Obscured)

0
0
0
0
2
31
91
97
91
94
95
99
100
94
94
97
95
94
82
82
83
99
92
87

High Clouds (% Sky Obscured)

0
0
0
0
2
9
78
93
45
45
45
5
10
55
54
3
32
10
65
18
50
50
75
77

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
0
0
0
0
0
0
1
0
6
22
23
27
13
12
5
12
18
15

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
64
65
68
71
70
67
67
67
66
65
61
64
66
69
70
66
65
67
71
72
76
79
83

Pressure (mb)

1012
1012
1011
1011
1010
1010
1009
1008
1008
1007
1006
1005
1004
1003
1002
1000
999
998
998
998
998
998
998
998

Ozone (du)

421
422
421
417
413
410
407
406
404
402
401
400
400
400
401
401
403
408
410
410
412
413
413
415

Friday 21

Waning Gibbous 50%

04:21

11:42

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:48, Set: 20:07, Transit: 13:58. Moon - Rise: 04:21, Set: 11:42. Civil Dark: 20:37 - 07:17. Nautical Dark: 21:14 - 06:41. Astro Dark: 21:51 - 06:03

Total Clouds (% Sky Obscured)

82
90
97
100
96
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
97
94
96
99

Low Clouds (% Sky Obscured)

82
52
88
100
79
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
97
94
96
99

Medium Clouds (% Sky Obscured)

60
38
7
3
26
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
5
5
5
5
5
5
0

ISS Passover

Visibility (miles)

9
0
0
0
9
9
9
0
5
9
9
3
4
4
9
8
8
8
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

Sleet
Snow
Snow
Snow
None
None
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

38
37
49
37
12
20
28
29
17
11
18
12
12
25
18
24
21
17
12
19
12
8
8
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
16
16
17
18
19
21
23
23
23
22
21
19
18
17
16
15
14
14
13
12
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-7
-7
-9
-10
-12
-14
-16
-17
-19
-19
-19
-20
-19
-19
-19
-19
-19
-19
-18
-18
-17
-16
-16

Dew Point (°C)

-0
-1
-1
-3
-9
-11
-11
-8
-12
-13
-14
-15
-16
-15
-16
-15
-16
-16
-16
-16
-17
-16
-16
-16

Relative Humidity (%)

88
94
96
94
62
57
62
87
71
68
66
66
63
68
66
69
67
67
69
65
63
63
62
61

Pressure (mb)

998
999
1000
1001
1003
1004
1005
1007
1009
1010
1011
1012
1013
1013
1014
1014
1015
1016
1017
1017
1018
1019
1019
1020

Ozone (du)

417
418
422
423
418
418
419
421
424
424
419
415
416
416
415
415
414
415
419
421
424
422
423
429

Saturday 22

Third Quarter 39%

05:09

12:48

14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 Good
21 OK
22 OK
23 OK
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

Sun - Rise: 07:46, Set: 20:08, Transit: 13:58. Moon - Rise: 05:09, Set: 12:48. Civil Dark: 20:39 - 07:15. Nautical Dark: 21:15 - 06:39. Astro Dark: 21:53 - 06:01

Total Clouds (% Sky Obscured)

93
82
80
56
33
28
16
20
21
30
80
97
96
97
100
100
100
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

93
80
58
33
33
28
16
20
21
26
71
58
66
41
94
87
86
89
91
93
95
94
97
98

Medium Clouds (% Sky Obscured)

0
22
45
20
2
0
3
9
15
21
71
19
28
35
100
100
100
97
98
90
100
100
100
100

High Clouds (% Sky Obscured)

5
82
80
5
0
0
0
0
0
0
5
70
96
96
100
96
99
76
82
62
100
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
1
2
1
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
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
2
0
0
0
0
0
1
0
0
0
0
1
16
41
48
66
81
76
72
75

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
7
6
6
5
5
7
8
11
11
13
14
15
15
16
16
17
18
19
21
22
22
22

Chance of Frost

Temperature (°C)

-10
-9
-9
-8
-8
-8
-8
-7
-7
-7
-6
-6
-5
-5
-4
-4
-4
-3
-3
-3
-3
-3
-2
-2

Feels Like (°C)

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

Dew Point (°C)

-16
-16
-15
-15
-14
-14
-15
-12
-12
-11
-10
-10
-9
-9
-8
-7
-6
-6
-6
-6
-6
-5
-5
-5

Relative Humidity (%)

60
59
60
59
60
60
58
68
70
70
73
71
74
74
78
81
81
81
78
76
78
82
81
79

Pressure (mb)

1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1017
1017
1016
1015
1014
1013
1013
1012
1012
1011
1010

Ozone (du)

429
429
428
429
428
427
424
421
421
420
419
418
417
416
414
415
415
417
418
420
420
418
419
420

Sunday 23

Waning Crescent 29%

05:48

14:03

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:44, Set: 20:10, Transit: 13:57. Moon - Rise: 05:48, Set: 14:03. Civil Dark: 20:40 - 07:13. Nautical Dark: 21:17 - 06:36. Astro Dark: 21:54 - 05:59

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
96

Low Clouds (% Sky Obscured)

99
99
100
98
96
94
94
94
94
95
98
100
100
100
100
99
98
97
96
96
96
96
96
96

Medium Clouds (% Sky Obscured)

100
100
100
97
93
89
93
96
100
100
100
100
100
100
100
100
100
83
100
100
100
98
37
35

High Clouds (% Sky Obscured)

92
80
70
58
51
45
45
40
32
22
27
28
28
28
33
53
23
47
60
13
6
6
4
4

ISS Passover

Visibility (miles)

2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
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

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 (%)

80
89
95
95
95
95
95
95
95
95
85
69
60
62
57
64
65
61
64
67
71
57
45
42

Precipitation Amount (mm)

0.5
0.6
0.9
0.9
1
0.9
0.7
0.7
0.9
0.7
0.5
0.3
0.2
0.3
0.2
0.3
0.3
0.2
0.3
0.4
0.5
0.3
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-3
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-4
-4
-4
-4
-6
-6

Relative Humidity (%)

84
89
91
94
96
96
96
98
96
96
96
96
91
91
96
96
94
94
92
94
94
92
82
79

Pressure (mb)

1009
1007
1005
1004
1004
1004
1003
1002
1002
1002
1001
1001
1000
1000
1000
1000
1001
1001
1002
1003
1004
1005
1005
1006

Ozone (du)

422
422
422
424
424
427
431
436
442
446
448
446
447
450
449
449
449
448
447
446
446
447
447
449

Monday 24

Waning Crescent 19%

06:17

14:03

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
07 Bad
08 Bad
09 OK
10 OK
11 OK
12 OK
13 OK

Sun - Rise: 07:42, Set: 20:11, Transit: 13:57. Moon - Rise: 06:17, Set: 14:03. Civil Dark: 20:42 - 07:11. Nautical Dark: 21:18 - 06:34. Astro Dark: 21:56 - 05:56

Total Clouds (% Sky Obscured)

97
97
98
98
98
98
98
99
87
83
86
75
67
67
71
66
64
62
54
46
33
24
21
17

Low Clouds (% Sky Obscured)

97
97
98
97
96
94
40
35
31
31
65
30
12
10
8
16
24
31
48
46
33
24
21
17

Medium Clouds (% Sky Obscured)

34
29
63
93
96
98
98
98
35
29
22
22
20
31
41
48
51
46
45
44
33
24
21
15

High Clouds (% Sky Obscured)

4
10
40
45
45
55
50
50
1
0
0
2
3
7
7
2
0
0
0
0
0
0
0
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
31
36
33
26
27
29
26
26
22
19
14
9
9
3
8
7
2
3
1
0
1
2
3

Precipitation Amount (mm)

0
0
0.1
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)

19
18
17
15
15
16
15
14
14
12
10
9
9
8
8
8
8
8
8
8
8
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
76
73
76
78
78
71
70
69
72
73
75
75
75
73
73
73
73
73
72
72
70
74
76

Pressure (mb)

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

Ozone (du)

451
451
453
456
457
459
460
459
462
468
466
467
470
471
471
471
476
482
487
486
485
484
482
480

Tuesday 25

Waning Crescent 11%

06:41

15:24

14 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
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

Sun - Rise: 07:40, Set: 20:12, Transit: 13:57. Moon - Rise: 06:41, Set: 15:24. Civil Dark: 20:43 - 07:09. Nautical Dark: 21:20 - 06:32. Astro Dark: 21:58 - 05:54

Total Clouds (% Sky Obscured)

31
49
68
56
46
38
39
37
38
53
69
85
85
84
83
79
79
79
84
90
97
98
99
100

Low Clouds (% Sky Obscured)

16
10
4
3
2
1
8
15
21
36
57
81
73
64
55
57
60
64
75
88
97
98
99
100

Medium Clouds (% Sky Obscured)

16
22
34
43
36
29
22
22
19
27
35
44
56
65
69
70
68
67
48
31
17
11
7
0

High Clouds (% Sky Obscured)

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

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
8
6

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 (%)

9
9
6
6
5
1
2
2
1
12
16
19
17
13
3
6
5
1
18
24
28
25
21
16

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)

10
11
12
12
12
12
13
13
12
12
11
11
10
10
10
12
12
12
12
13
13
15
15
15

Chance of Frost

Temperature (°C)

-2
-2
-2
-1
-1
-2
-2
-2
-2
-2
-2
-1
-1
-2
-1
-1
-2
-2
-3
-3
-3
-3
-3
-4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
79
80
83
83
82
86
87
89
87
86
84
86
84
86
84
81
79
79
78
76
76
78

Pressure (mb)

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

Ozone (du)

478
473
468
463
463
463
463
459
456
452
450
448
446
442
439
436
434
433
431
431
432
432
432
431

Wednesday 26

Waning Crescent 5%

07:00

16:47

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
07 Bad

Sun - Rise: 07:38, Set: 20:14, Transit: 13:56. Moon - Rise: 07:00, Set: 16:47. Civil Dark: 20:45 - 07:07. Nautical Dark: 21:21 - 06:30. Astro Dark: 21:59 - 05:52

Total Clouds (% Sky Obscured)

100
100
99
96
94
91
91
92
90
93
95
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
99
99
95
86
82
64
43
10
16
27
38
59
82
100
100
100
100

Medium Clouds (% Sky Obscured)

0
1
1
1
1
1
6
10
21
33
43
64
79
87
90
60
28
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

4
6
8
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

Precipitation Type

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

Precipitation Probability (%)

17
15
11
12
9
3
7
9
2
11
16
4
17
24
32
36
35
28

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
14
14
13
14
14
14
14
13
14
13
12
12
12
12
13
12
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
75
70
69
69
69
69
69
68
66
65
65
65
65
65
65
66
67

Pressure (mb)

1019
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020

Ozone (du)

430
430
429
429
427
426
424
425
425
426
427
428
429
430
431
432
432
431

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

Generated: 20/03/25 14:28:47. Forecast: 20/03/25 to 26/03/25. Timezone: UTC-4.00