Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Gibbous 78%

15:01

05:10

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

Sun - Rise: 06:37, Set: 20:23, Transit: 13:31. Moon - Rise: 15:01, Set: 05:10. Civil Dark: 20:53 - 06:07. Nautical Dark: 21:30 - 05:30. Astro Dark: 22:09 - 04:51

Total Clouds (% Sky Obscured)

0
77
98
100
100
88
83
80
88
38
4
0
0
0
0
0
0
0
0
0
0
0
63
56

Low Clouds (% Sky Obscured)

0
71
95
91
91
51
29
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
66
97
100
99
86
81
80
88
38
4
0
0
0
0
0
0
0
0
0
0
0
0
4

High Clouds (% Sky Obscured)

0
9
35
81
24
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
63
55

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Amount (mm)

0
0.03
0.02
0.02
0.02
0
0.01
0.01
0
0
0.03
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
12
13
13
13
13
13
13
13
12
10
9
7
7
7
7
7
7
8
9
9
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
50
47
44
42
40
38
36
34
34
36
39
41
47
52
57
61
66
71
73
75
77
74
66

Pressure (mb)

1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

453
450
442
435
426
415
409
405
405
408
407
404
402
399
400
401
399
402
403
401
401
402
406
399

Friday 23

Waxing Gibbous 87%

16:14

05:37

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
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

Sun - Rise: 06:35, Set: 20:24, Transit: 13:31. Moon - Rise: 16:14, Set: 05:37. Civil Dark: 20:54 - 06:05. Nautical Dark: 21:31 - 05:28. Astro Dark: 22:11 - 04:49

Total Clouds (% Sky Obscured)

99
99
78
98
83
82
91
95
42
75
98
95
86
88
67
87
80
73
91
91
76
98
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
0
1
12
4
18
20
7
13
27
31
59
59
33

Medium Clouds (% Sky Obscured)

51
10
43
70
70
82
91
95
42
75
98
95
86
88
67
87
80
73
60
11
74
95
87
64

High Clouds (% Sky Obscured)

99
99
65
98
70
2
0
0
0
0
0
0
0
0
0
1
0
0
81
89
1
93
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
12
22
28
29
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.02
0.06
0.12
0.15
0.16
0.18
0.22

Wind Speed/Direction (mph)

12
13
13
13
13
13
13
13
12
11
10
8
7
6
6
6
6
6
5
4
5
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
12
14
15
15
16
16
16
15
15
14
12
11
10
8
7
6
6
5
5
5
4
4
6

Dew Point (°C)

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

Relative Humidity (%)

55
48
43
38
34
31
29
30
34
37
41
46
51
58
66
73
79
84
89
93
98
100
100
95

Pressure (mb)

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

Ozone (du)

396
396
401
402
400
400
397
394
397
398
397
399
404
405
400
395
388
384
382
382
380
380
385
387

Saturday 24

Waxing Gibbous 94%

17:29

06:04

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:34, Set: 20:26, Transit: 13:30. Moon - Rise: 17:29, Set: 06:04. Civil Dark: 20:56 - 06:04. Nautical Dark: 21:33 - 05:27. Astro Dark: 22:12 - 04:47

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
100
100
100

Low Clouds (% Sky Obscured)

13
0
1
0
0
0
6
6
1
2
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

86
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
73
73

High Clouds (% Sky Obscured)

100
100
83
97
100
100
100
100
100
100
100
100
100
98
15
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
7
7
6
5
5
5
5
5
5
6
7
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

32
39
43
48
55
66
71
71
69
65
63
54
36
21
11
9
9
8
5
5
3
2
1
1

Precipitation Amount (mm)

0.3
0.4
0.46
0.66
0.84
0.99
1.06
1.02
0.91
0.83
0.7
0.41
0.25
0.14
0.07
0.05
0.05
0.02
0.02
0.02
0.02
0.01
0.01
0.01

Wind Speed/Direction (mph)

8
8
9
9
8
8
8
7
6
6
5
5
5
6
7
8
10
11
12
12
13
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
7
7
8
8
8
9
9
9
9
9
9
8
8
8
7
6
6
4
3
2

Relative Humidity (%)

88
79
73
70
73
76
80
84
87
89
90
92
95
99
100
100
100
100
100
100
100
97
91
88

Pressure (mb)

1014
1014
1013
1012
1012
1011
1010
1009
1009
1009
1008
1008
1008
1008
1008
1009
1008
1009
1009
1010
1011
1012
1013
1014

Ozone (du)

385
382
382
381
376
378
377
378
377
376
377
380
384
387
386
389
391
397
401
402
400
398
394
394

Sunday 25

Waxing Gibbous 99%

18:46

06:31

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

Sun - Rise: 06:32, Set: 20:27, Transit: 13:30. Moon - Rise: 18:46, Set: 06:31. Civil Dark: 20:57 - 06:02. Nautical Dark: 21:34 - 05:25. Astro Dark: 22:14 - 04:45

Total Clouds (% Sky Obscured)

100
100
100
100
41
41
41
41
41
41
26
26
26
26
26
26
44
44
44
44
44
44
91
91

Low Clouds (% Sky Obscured)

100
100
100
100
27
27
27
27
27
27
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

73
73
73
73
0
0
0
0
0
0
0
0
0
0
0
0
42
42
42
42
42
42
73
73

High Clouds (% Sky Obscured)

0
0
0
0
20
20
20
20
20
20
26
26
26
26
26
26
18
18
18
18
18
18
79
79

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
1
1
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
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
14
14
13
13
10
10
9
9
8
7
8
7
7
5
5
4
4
4
4
5
5
7
8

Chance of Frost

Temperature (°C)

4
5
7
8
9
11
12
12
13
12
12
9
7
5
5
4
4
3
3
3
3
3
4
5

Feels Like (°C)

-0
1
3
5
7
11
12
12
13
12
12
8
5
3
3
2
2
2
1
1
0
0
1
3

Dew Point (°C)

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

Relative Humidity (%)

79
69
58
50
45
36
33
31
32
34
36
46
57
59
60
62
60
62
65
67
68
68
67
59

Pressure (mb)

1015
1016
1016
1016
1016
1016
1017
1017
1018
1018
1019
1021
1022
1022
1022
1023
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

393
393
392
391
391
392
392
392
392
394
392
389
389
387
385
382
379
377
376
376
375
373
370
370

Monday 26

Full Moon 100%

20:06

07:01

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:31, Set: 20:28, Transit: 13:30. Moon - Rise: 20:06, Set: 07:01. Civil Dark: 20:58 - 06:01. Nautical Dark: 21:35 - 05:23. Astro Dark: 22:16 - 04:43

Total Clouds (% Sky Obscured)

91
91
91
91
98
98
98
98
98
98
55
55
55
55
55
55
52
52
52
52
52
52
84
84

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
0
2
2

Medium Clouds (% Sky Obscured)

73
73
73
73
70
70
70
70
70
70
0
0
0
0
0
0
6
6
6
6
6
6
59
59

High Clouds (% Sky Obscured)

79
79
79
79
96
96
96
96
96
96
55
55
55
55
55
55
49
49
49
49
49
49
62
62

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
10
11
13
14
15
16
16
16
15
16
15
15
14
14
15
15
15
15
15
15
15
16
18

Feels Like (°C)

5
7
11
13
14
15
16
16
16
15
16
15
15
14
14
15
15
15
15
15
15
15
16
18

Dew Point (°C)

-2
-3
-2
-3
-3
-3
-2
-0
1
2
2
2
4
5
6
8
9
10
10
10
11
11
12
13

Relative Humidity (%)

49
42
38
34
30
29
30
33
36
40
38
42
47
53
58
64
68
71
73
75
78
80
79
72

Pressure (mb)

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

Ozone (du)

370
369
368
368
368
369
369
369
368
368
366
366
365
364
363
361
360
359
358
358
356
354
353
353

Tuesday 27

Waning Gibbous 98%

21:27

07:35

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:30, Set: 20:29, Transit: 13:30. Moon - Rise: 21:27, Set: 07:35. Civil Dark: 20:59 - 05:59. Nautical Dark: 21:37 - 05:22. Astro Dark: 22:17 - 04:41

Total Clouds (% Sky Obscured)

84
84
84
84
100
100
100
100
100
100
86
86
86
86
86
86
98
98
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

59
59
59
59
89
89
89
89
89
89
16
16
16
16
16
16
1
1
1
1
1
1
83
83

High Clouds (% Sky Obscured)

62
62
62
62
100
100
100
100
100
100
85
85
85
85
85
85
98
98
98
98
98
98
96
96

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
1
1
1
0
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0
0
0.02

Wind Speed/Direction (mph)

12
13
14
14
14
14
14
14
13
12
11
11
10
10
10
10
10
10
10
10
10
9
10
11

Chance of Frost

Temperature (°C)

20
23
24
26
27
28
29
29
29
27
26
25
24
23
22
22
21
21
21
20
20
20
20
21

Feels Like (°C)

20
23
24
26
27
28
29
29
29
27
26
25
24
23
22
22
22
21
21
21
20
20
20
21

Dew Point (°C)

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

Relative Humidity (%)

63
55
49
43
38
35
34
35
37
42
46
51
56
62
67
72
76
79
82
85
86
85
83
79

Pressure (mb)

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

Ozone (du)

353
352
351
348
347
347
347
347
345
343
341
339
338
336
335
334
332
331
329
327
324
322
320
319

Wednesday 28

Waning Gibbous 93%

22:48

08:17

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:28, Set: 20:30, Transit: 13:30. Moon - Rise: 22:48, Set: 08:17. Civil Dark: 21:01 - 05:58. Nautical Dark: 21:38 - 05:20. Astro Dark: 22:19 - 04:39

Total Clouds (% Sky Obscured)

98
98
98
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
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
0
64
64

Medium Clouds (% Sky Obscured)

83
83
83
83
100
100
100
100
100
100
96
96
96
96
96
96
77
77
77
77
77
77
72
72

High Clouds (% Sky Obscured)

96
96
96
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

10
9
10
10
10
10
7
5
7
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.06
0.11
0.11
0.08
0.06
0.07
0.09
0.13
0.17
0.23
0.24
0.17
0.08
0.04
0.04
0.07
0.1
0.08
0.05
0.04
0.05
0.08
0.09
0.06

Wind Speed/Direction (mph)

12
13
13
14
14
14
14
14
14
13
13
12
12
11
10
9
7
6
5
4
5
5
6
7

Chance of Frost

Temperature (°C)

21
22
23
24
25
27
28
29
29
28
26
26
25
25
24
23
23
22
21
21
20
21
21
23

Feels Like (°C)

22
22
23
24
25
27
28
29
29
28
27
26
25
25
24
23
23
22
22
21
21
21
22
23

Dew Point (°C)

17
16
16
16
16
15
15
15
15
16
16
16
16
17
17
18
18
19
19
20
19
19
19
19

Relative Humidity (%)

74
69
66
61
57
50
45
43
45
49
54
56
59
62
66
71
76
82
88
93
94
92
88
77

Pressure (mb)

1015
1014
1014
1013
1012
1012
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013

Ozone (du)

317
316
317
317
317
316
314
312
312
312
312
312
312
312
311
310
309
308
307
307
309
310
311
312

Forecast for Bloomfield Hills, Oakland County, US (42.58,-83.25)

Generated: 22/04/21 09:25:18. Forecast: 22/04/21 to 28/04/21. Timezone: UTC-4.00