Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 7

Waning Crescent 17%

04:52

16:05

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:33, Set: 20:46, Transit: 13:10. Moon - Rise: 04:52, Set: 16:05. Civil Dark: 21:25 - 04:54. Nautical Dark: 22:16 - 04:02. Astro Dark: 23:24 - 02:53

Total Clouds (% Sky Obscured)

24
46
100
95
100
100
100
99
96
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
41
38
33
22
85
59
13
21
0
0
0
0
0
8
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

16
16
49
90
98
100
99
72
31
62
97
98
99
98
100
100
100
100
100
100
100
80
76
20

High Clouds (% Sky Obscured)

0
4
99
39
98
99
98
98
95
91
99
100
100
98
100
100
100
100
100
99
99
99
99
86

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
10
2
1
1
1
2
4
6
5

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain

Precipitation Probability (%)

0
2
2
2
2
2
2
1
1
1
2
2
6
10
14
26
67
86
91
92
92
87
85
69

Precipitation Amount (mm)

0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.05
0.09
0.12
0.19
0.27
0.64
1.43
1.99
2.44
2.83
3.12
2.66
1.08

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
57
52
48
46
45
46
44
45
48
55
61
66
70
75
84
89
93
98
100
100
100
100
99

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1013
1013
1011
1010
1009
1007
1005
1003
1001
1000
1000
1000

Ozone (du)

386
381
375
370
370
368
364
359
355
351
346
342
339
340
342
336
333
329
328
328
327
328
331
332

Saturday 8

Waning Crescent 10%

05:06

17:14

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: 05:31, Set: 20:47, Transit: 13:10. Moon - Rise: 05:06, Set: 17:14. Civil Dark: 21:27 - 04:52. Nautical Dark: 22:19 - 03:59. Astro Dark: 23:27 - 02:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
99
98
99
98
98
100
98
100
100
100
100
100
100
100
100
100
100
100
91
46
51
100

Medium Clouds (% Sky Obscured)

7
27
22
11
4
2
2
15
91
98
100
100
100
100
98
99
100
97
100
100
100
100
100
100

High Clouds (% Sky Obscured)

80
100
100
100
100
100
100
52
0
1
0
1
0
0
0
0
6
23
52
89
1
73
87
94

ISS Passover

Visibility (miles)

6
9
10
6
6
6
6
6
7
8
9
10
10
10
10
10
10
10
6
5
5
8
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

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

Precipitation Probability (%)

66
52
55
58
37
12
23
17
13
12
16
23
12
28
28
39
30
51
54
35
33
33
20
16

Precipitation Amount (mm)

0.82
0.56
1
1.01
0.47
0.07
0.23
0.13
0.08
0.09
0.16
0.24
0.07
0.17
0.15
0.25
0.17
0.33
0.42
0.22
0.21
0.29
0.13
0.06

Wind Speed/Direction (mph)

20
20
20
21
21
21
22
22
22
22
22
22
21
21
20
19
17
16
15
14
13
14
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
97
96
94
93
94
95
94
92
90
90
89
89
90
93
94
96
98
99
98
96
93
93
92

Pressure (mb)

999
999
999
999
999
998
998
997
997
996
996
996
996
995
995
995
994
994
993
993
993
994
994
994

Ozone (du)

333
335
336
335
335
335
337
339
340
335
335
336
336
337
336
328
328
330
331
331
331
332
335
337

Sunday 9

Waning Crescent 5%

05:20

18:22

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: 05:30, Set: 20:49, Transit: 13:10. Moon - Rise: 05:20, Set: 18:22. Civil Dark: 21:28 - 04:50. Nautical Dark: 22:21 - 03:57. Astro Dark: 23:31 - 02:45

Total Clouds (% Sky Obscured)

100
100
100
99
98
100
100
100
100
97
99
96
51
99
93
99
99
99
99
99
99
43
43
43

Low Clouds (% Sky Obscured)

68
58
71
55
35
30
9
7
13
9
16
27
35
81
93
99
99
99
99
99
99
40
40
40

Medium Clouds (% Sky Obscured)

100
96
100
98
93
100
100
100
100
96
99
95
37
92
10
17
17
17
17
17
17
27
27
27

High Clouds (% Sky Obscured)

97
98
92
75
70
70
26
18
13
24
10
26
8
97
0
0
0
0
0
0
0
0
0
0

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

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

Precipitation Probability (%)

19
11
9
8
9
8
8
7
7
7
6
6
6
6
5
6
7
10
12
14
12
14
17
16

Precipitation Amount (mm)

0.09
0.03
0.03
0.03
0.04
0.04
0.04
0.03
0.02
0.02
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.04
0.06
0.05
0.05
0.06
0.08
0.1

Wind Speed/Direction (mph)

17
18
19
19
20
19
18
18
17
17
16
15
16
16
16
15
16
16
16
16
16
14
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
14
14
14
14
13
13
13
12
12
11
10
10
10
7
7
7
7
7
6
7
11
11

Dew Point (°C)

10
10
10
10
10
9
9
8
8
9
8
8
8
7
8
8
8
8
8
8
8
8
9
9

Relative Humidity (%)

90
85
79
74
73
73
73
73
75
78
81
83
82
83
86
88
88
88
87
87
87
91
88
85

Pressure (mb)

994
994
994
994
994
995
994
994
994
994
994
995
995
995
995
994
994
994
994
995
995
995
995
996

Ozone (du)

339
341
342
341
341
343
346
347
348
355
358
360
359
358
361
362
363
365
366
366
366
362
362
363

Monday 10

Waning Crescent 2%

05:36

19:30

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

Sun - Rise: 05:28, Set: 20:50, Transit: 13:10. Moon - Rise: 05:36, Set: 19:30. Civil Dark: 21:30 - 04:48. Nautical Dark: 22:23 - 03:55. Astro Dark: 23:35 - 02:41

Total Clouds (% Sky Obscured)

43
43
43
41
41
41
41
41
41
26
26
26
26
26
26
18
18
18
18
18
18
27
27
27

Low Clouds (% Sky Obscured)

40
40
40
27
27
27
27
27
27
23
23
23
23
23
23
16
16
16
16
16
16
27
27
27

Medium Clouds (% Sky Obscured)

27
27
27
31
31
31
31
31
31
15
15
15
15
15
15
7
7
7
7
7
7
9
9
9

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)

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

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

Precipitation Probability (%)

18
22
26
27
21
15
14
18
24
27
22
13
0
0
0
0
0
1
2
1
0
0
0
5

Precipitation Amount (mm)

0.13
0.18
0.23
0.24
0.17
0.11
0.1
0.12
0.18
0.22
0.12
0.03
0
0
0
0
0
0.01
0.01
0.01
0
0
0
0.01

Wind Speed/Direction (mph)

17
17
17
18
19
18
18
18
17
15
13
11
10
10
9
9
9
9
9
9
8
7
10
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
13
13
13
13
12
12
11
11
10
6
5
5
5
4
4
4
4
3
3
4
6
7

Dew Point (°C)

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

Relative Humidity (%)

79
77
74
70
67
68
69
73
75
79
82
87
89
91
95
97
98
98
97
97
97
95
91
82

Pressure (mb)

996
997
997
998
999
999
1000
1000
1000
1001
1002
1002
1003
1003
1004
1004
1004
1003
1003
1004
1004
1005
1005
1005

Ozone (du)

365
368
371
374
375
376
380
384
385
386
388
390
393
395
395
399
401
402
403
403
402
400
400
399

Tuesday 11

New Moon 0%

05:56

20:38

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
07 OK
08 OK
09 OK

Sun - Rise: 05:27, Set: 20:52, Transit: 13:10. Moon - Rise: 05:56, Set: 20:38. Civil Dark: 21:32 - 04:47. Nautical Dark: 22:25 - 03:52. Astro Dark: 23:39 - 02:37

Total Clouds (% Sky Obscured)

27
27
27
88
88
88
88
88
88
66
66
66
66
66
66
66
66
66
66
66
66
23
23
23

Low Clouds (% Sky Obscured)

27
27
27
86
86
86
86
86
86
34
34
34
34
34
34
65
65
65
65
65
65
8
8
8

Medium Clouds (% Sky Obscured)

9
9
9
45
45
45
45
45
45
20
20
20
20
20
20
19
19
19
19
19
19
20
20
20

High Clouds (% Sky Obscured)

0
0
0
16
16
16
16
16
16
49
49
49
49
49
49
0
0
0
0
0
0
0
0
0

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

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

Precipitation Probability (%)

6
21
36
40
39
32
30
36
34
43
41
38
34
35
25
25
18
11
6
4
0
0
0
0

Precipitation Amount (mm)

0.03
0.13
0.39
0.62
0.6
0.48
0.38
0.34
0.34
0.48
0.41
0.32
0.26
0.23
0.21
0.18
0.11
0.05
0.03
0.01
0
0
0
0

Wind Speed/Direction (mph)

14
16
16
17
17
16
15
15
16
17
16
15
13
13
14
12
12
12
11
11
10
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
12
12
13
13
13
12
12
11
11
7
6
6
6
6
6
5
5
5
5
6
7
8

Dew Point (°C)

7
7
7
7
7
8
8
8
8
8
9
8
8
8
9
8
8
8
7
7
7
7
7
7

Relative Humidity (%)

74
72
71
71
70
73
74
75
77
84
87
91
94
95
96
97
97
97
96
95
94
92
89
84

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1007
1007
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

399
401
403
405
407
411
413
414
416
421
422
422
423
425
427
431
431
429
427
426
425
424
424
424

Wednesday 12

Waxing Crescent 1%

06:19

21:47

10 OK
11 OK
12 OK
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: 05:25, Set: 20:53, Transit: 13:10. Moon - Rise: 06:19, Set: 21:47. Civil Dark: 21:34 - 04:45. Nautical Dark: 22:28 - 03:50. Astro Dark: 23:43 - 02:33

Total Clouds (% Sky Obscured)

23
23
23
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
100
100
100

Low Clouds (% Sky Obscured)

8
8
8
28
28
28
28
28
28
24
24
24
24
24
24
7
7
7
7
7
7
17
17
17

Medium Clouds (% Sky Obscured)

20
20
20
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
100
100
100

High Clouds (% Sky Obscured)

0
0
0
2
2
2
2
2
2
12
12
12
12
12
12
0
0
0
0
0
0
7
7
7

ISS Passover

Visibility (miles)

10
10
10
7
6
5
5
6
8
10
10
10
10
10
10
9
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
Very Light Rain
Very 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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
4
8
18
39
49
60
67
67
61
52
35
25
21
20
23
30
40
49
54
45
30
32
40

Precipitation Amount (mm)

0
0.01
0.06
0.15
0.4
0.91
1.36
1.3
0.98
0.7
0.49
0.31
0.2
0.14
0.11
0.13
0.31
0.74
1.06
0.78
0.4
0.25
0.2
0.21

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
8
8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Relative Humidity (%)

79
76
74
75
78
83
88
90
92
93
93
94
95
96
99
99
99
100
100
100
100
100
98
98

Pressure (mb)

1009
1009
1008
1008
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007

Ozone (du)

424
421
418
415
412
408
405
402
400
398
396
396
396
397
400
401
402
403
402
400
397
393
389
385

Thursday 13

Waxing Crescent 3%

06:50

22:54

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: 05:24, Set: 20:55, Transit: 13:10. Moon - Rise: 06:50, Set: 22:54. Civil Dark: 21:35 - 04:43. Nautical Dark: 22:30 - 03:48. Astro Dark: 23:47 - 02:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
70
70
70
70
70
70
56
56
56
56
56
56
100
100
100

Low Clouds (% Sky Obscured)

17
17
17
31
31
31
31
31
31
49
49
49
49
49
49
47
47
47
47
47
47
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
59
59
59
59
59
59
34
34
34
34
34
34
48
48
48

High Clouds (% Sky Obscured)

7
7
7
92
92
92
92
92
92
31
31
31
31
31
31
1
1
1
1
1
1
20
20
20

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
9
7
7
9
10
10
10
8
5
5
6
7
7
7
8
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
Very 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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

46
55
64
69
73
73
69
56
49
50
53
53
46
42
38
36
32
23
14
11
9
9
11
13

Precipitation Amount (mm)

0.29
0.4
0.54
0.68
0.79
0.87
0.86
0.66
0.45
0.36
0.41
0.53
0.6
0.55
0.47
0.37
0.23
0.1
0.04
0.02
0.01
0.01
0.02
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
11
11
11
12
13
13
13
13
13
12
12
11
11
10
10
7
6
6
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

98
98
99
98
96
93
90
87
87
90
94
96
98
100
100
100
100
100
100
100
100
100
98
97

Pressure (mb)

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

Ozone (du)

381
378
375
373
373
373
372
371
370
370
373
376
378
376
373
370
368
367
366
365
364
364
363
363

Forecast for Dulverton, Somerset, UK (51.04,-3.55)

Generated: 07/05/21 10:20:41. Forecast: 07/05/21 to 13/05/21. Timezone: UTC+1.00