Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Full Moon 100%

20:57

06:49

19 Bad
20 Bad
21 OK
22 Good
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good

Sun - Rise: 06:44, Set: 20:54, Transit: 13:49. Moon - Rise: 20:57, Set: 06:49. Civil Dark: 21:27 - 06:10. Nautical Dark: 22:08 - 05:29. Astro Dark: 22:55 - 04:42

Total Clouds (% Sky Obscured)

82
69
41
3
26
26
35
32
37
36
39
6
6
6
5
5
5
4
3
3
3
0
0
0

Low Clouds (% Sky Obscured)

1
1
1
1
18
18
25
20
23
22
26
3
3
3
3
2
3
2
2
2
2
0
0
0

Medium Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

43
29
0
0
0
0
0
0
3
3
0
0
0
0
0
0
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
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
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)

13
12
9
15
15
15
16
15
14
13
11
10
10
10
10
8
7
7
7
7
6
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-6
-6
-7
-7
-8
-8
-8
-9
-9
-9
-10
-10
-9
-9
-9
-8
-8
-7
-7
-7
-6
-7

Relative Humidity (%)

69
68
60
60
59
59
60
61
62
63
62
63
63
64
63
63
63
64
64
63
61
60
60
59

Pressure (mb)

1016
1017
1019
1020
1021
1022
1023
1024
1025
1026
1026
1027
1028
1029
1029
1030
1030
1030
1030
1030
1030
1029
1029
1028

Ozone (du)

426
425
422
420
427
437
438
435
429
429
428
424
418
418
419
420
418
415
413
412
409
408
405
404

Wednesday 24

Waning Gibbous 98%

22:08

07:10

19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 OK
05 Bad
06 Bad
07 OK
08 OK
09 OK
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Bad

Sun - Rise: 06:42, Set: 20:55, Transit: 13:49. Moon - Rise: 22:08, Set: 07:10. Civil Dark: 21:28 - 06:08. Nautical Dark: 22:10 - 05:26. Astro Dark: 22:57 - 04:39

Total Clouds (% Sky Obscured)

0
2
3
3
3
3
2
0
0
32
50
50
44
46
22
3
5
4
4
0
2
3
13
50

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
1
1
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
2
2
1
2
2
2
0
0
27
44
51
45
47
23
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
3
4
3
0
3
3
13
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
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

0
-1
-2
-2
-2
-2
-1
-1
-1
-1
-1
0
1
1
2
3
5
5
6
7
8
8
7
7

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-8
-8
-8
-7
-7
-7
-6
-6
-6
-6
-6
-5
-4
-3
-2
-1
-0
0
1
1
1
1

Relative Humidity (%)

60
63
62
64
64
64
63
66
66
66
66
63
62
64
64
63
63
62
63
62
60
61
64
64

Pressure (mb)

1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024
1023

Ozone (du)

405
415
421
426
429
426
425
424
420
413
418
422
417
412
413
412
411
413
410
406
403
401
400
401

Thursday 25

Waning Gibbous 95%

23:22

07:38

19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 Good
01 Good
02 Good
03 Good
04 OK
05 Good
06 Good
07 Good
08 Good
09 Bad
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:40, Set: 20:56, Transit: 13:49. Moon - Rise: 23:22, Set: 07:38. Civil Dark: 21:30 - 06:07. Nautical Dark: 22:12 - 05:24. Astro Dark: 22:59 - 04:37

Total Clouds (% Sky Obscured)

50
52
56
49
17
6
3
3
4
20
4
4
8
4
50
33
67
71
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
28
35

Medium Clouds (% Sky Obscured)

0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
3
7
60
60
73
87

High Clouds (% Sky Obscured)

45
43
47
44
11
4
2
2
2
18
2
3
6
3
30
19
53
58
100
100
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
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
0
0
0
0
0
0
0
0
0
2
6
9

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)

11
12
13
12
12
13
13
11
10
10
12
13
15
15
15
17
19
20
20
20
21
23
23
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
68
73
78
72
65
65
67
71
71
68
69
72
72
73
68
66
67
64
64
60
61
61
63

Pressure (mb)

1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1019
1018
1017
1016
1015
1014

Ozone (du)

399
399
398
403
404
402
400
397
396
393
392
392
392
386
381
378
379
377
371
366
361
359
358
360

Friday 26

Waning Gibbous 89%

00:34

08:15

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:39, Set: 20:58, Transit: 13:49. Moon - Rise: 00:34, Set: 08:15. Civil Dark: 21:31 - 06:05. Nautical Dark: 22:14 - 05:22. Astro Dark: 23:01 - 04:34

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)

40
50
56
67
73
82
90
91
92
94
92
91
89
90
90
90
82
71
58
64
65
70
86
92

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
94
53
90
89
83
91
48
95
94
51
89
98
76
53
57
45

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
70
100
100
98
100
100
100
73
37

ISS Passover

Visibility (miles)

9
9
9
9
8
2
4
9
9
9
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

None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

32
56
49
61
95
95
95
69
63
72
86
95
78
61
79
95
79
64
95
95
94
95
95
76

Precipitation Amount (mm)

0
0
0
0.2
1.8
1.8
0.7
0.3
0.2
0.4
0.4
0.6
0.5
0.2
0.4
1
0.4
0.3
0.7
0.9
0.5
0.9
1
0.3

Wind Speed/Direction (mph)

20
20
18
20
21
21
20
21
19
18
17
17
16
15
14
12
11
10
9
10
9
9
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-2
-1
-2
-3
-4
-3
-3
-3
-2
-2
-1
-0
1
2
4
5
6
7
7
8
8
9
5

Dew Point (°C)

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

Relative Humidity (%)

63
63
70
74
74
86
93
94
96
96
98
98
98
98
100
100
98
100
100
100
100
98
100
98

Pressure (mb)

1013
1012
1012
1011
1011
1010
1008
1007
1006
1005
1004
1003
1003
1002
1002
1001
1000
1000
999
999
999
999
998
1000

Ozone (du)

358
355
352
348
346
347
349
350
353
357
356
351
351
353
355
356
359
358
356
352
350
349
350
347

Saturday 27

Waning Gibbous 81%

01:40

09:06

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:37, Set: 20:59, Transit: 13:49. Moon - Rise: 01:40, Set: 09:06. Civil Dark: 21:33 - 06:03. Nautical Dark: 22:15 - 05:20. Astro Dark: 23:04 - 04:32

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)

100
100
100
100
100
100
100
93
86
79
82
85
88
88
89
89
91
93
96
97
99
100
100
100

Medium Clouds (% Sky Obscured)

43
46
51
62
47
35
21
13
8
0
23
46
69
70
70
70
80
75
75
80
80
81
87
93

High Clouds (% Sky Obscured)

1
0
9
1
30
61
90
90
91
90
91
100
100
99
98
97
98
95
85
88
93
100
97
94

ISS Passover

Visibility (miles)

0
0
0
0
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
Frozen rai
Frozen rai
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

52
38
32
31
23
20
23
18
7
8
11
15
0
25
40
55
68
78
83
80
81
85
87
82

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.6
0.5
0.4
0.4
0.5
0.4

Wind Speed/Direction (mph)

12
12
12
16
18
17
15
16
17
16
17
18
18
19
18
18
17
17
17
17
15
13
12
12

Chance of Frost

Temperature (°C)

7
5
5
5
4
4
3
3
2
2
2
1
1
1
1
1
1
1
2
2
2
2
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
98
100
98
98
94
94
93
93
89
89
88
86
86
84
86
86
86
88
88
88
89
88

Pressure (mb)

1002
1004
1006
1008
1009
1010
1012
1013
1014
1015
1016
1016
1017
1017
1017
1018
1018
1018
1017
1017
1017
1016
1016
1015

Ozone (du)

347
350
354
351
352
349
352
350
334
329
324
326
328
327
327
327
328
328
328
328
329
329
330
331

Sunday 28

Waning Gibbous 72%

02:37

10:10

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:35, Set: 21:00, Transit: 13:49. Moon - Rise: 02:37, Set: 10:10. Civil Dark: 21:34 - 06:01. Nautical Dark: 22:17 - 05:18. Astro Dark: 23:06 - 04:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
97
94
92
91
90
89
86
82
78
75
74

Low Clouds (% Sky Obscured)

100
99
98
97
97
98
99
99
100
100
100
100
100
90
87
84
84
82
84
82
77
72
64
61

Medium Clouds (% Sky Obscured)

100
97
94
91
81
74
69
60
51
42
37
32
27
19
10
2
8
15
23
19
14
10
12
13

High Clouds (% Sky Obscured)

94
97
99
100
74
50
30
26
33
28
36
40
45
30
16
2
1
1
0
0
0
0
6
11

ISS Passover

Visibility (miles)

9
9
9
9
9
8
6
4
3
2
0
0
0
0
0
0
0
0
0
0
1
1
2
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

Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

66
78
87
92
95
95
95
95
95
63
57
48
36
43
47
47
42
38
32
37
37
33
26
19

Precipitation Amount (mm)

0.3
0.4
0.5
0.5
1.5
2.3
3.3
2
1
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
15
16
16
17
17
17
17
14
11
9
7
7
9
11
12
13
13
14
14
15
19
23
22

Chance of Frost

Temperature (°C)

3
4
3
4
4
4
4
3
3
3
4
4
5
5
5
5
5
6
6
6
6
6
5
5

Feels Like (°C)

-6
-5
-3
-3
-3
-3
-3
-3
-4
-5
-5
-4
-4
-4
-1
-0
0
0
-1
-1
4
4
5
4

Dew Point (°C)

1
2
2
2
2
2
3
3
3
3
4
4
5
5
5
5
5
6
6
6
5
5
4
4

Relative Humidity (%)

88
88
88
88
88
91
94
96
98
98
98
98
100
100
100
100
100
100
100
100
96
96
94
93

Pressure (mb)

1015
1014
1013
1012
1011
1010
1008
1007
1006
1005
1004
1004
1004
1003
1003
1004
1004
1004
1004
1004
1005
1005
1006
1007

Ozone (du)

333
335
338
340
343
344
345
347
347
348
349
354
359
365
368
371
374
374
375
376
377
377
378
381

Monday 29

Waning Gibbous 61%

03:21

11:25

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: 06:34, Set: 21:02, Transit: 13:48. Moon - Rise: 03:21, Set: 11:25. Civil Dark: 21:36 - 05:59. Nautical Dark: 22:19 - 05:16. Astro Dark: 23:08 - 04:26

Total Clouds (% Sky Obscured)

72
74
75
78
78
75
76
81
85
90
94
97
100
95
90
82
71
59
48

Low Clouds (% Sky Obscured)

56
53
57
66
68
66
63
66
66
62
75
87
100
91
83
73
63
54
44

Medium Clouds (% Sky Obscured)

11
21
37
49
61
65
73
60
48
36
22
12
0
6
9
17
9
2
0

High Clouds (% Sky Obscured)

17
19
22
23
20
17
16
10
5
0
0
0
0
8
14
20
9
3
0

ISS Passover

Visibility (miles)

7
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

21
19
17
15
13
12
11
10
10
9
9
9
9
10
10
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
-3
-4
-5
-5
-6
-5
-4
-3
-3
-3
-4
-4
-3
-3
-2
-2
-1

Dew Point (°C)

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

Relative Humidity (%)

93
91
89
89
88
88
86
86
86
89
91
91
89
91
89
88
86
86
86

Pressure (mb)

1008
1008
1009
1010
1011
1011
1012
1012
1013
1013
1014
1014
1015
1016
1017
1017
1018
1018
1018

Ozone (du)

385
388
387
385
384
383
382
381
376
370
365
362
359
356
361
366
370
368
366

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

Generated: 23/04/24 19:16:52. Forecast: 23/04/24 to 29/04/24. Timezone: UTC-4.00