Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 7

Waning Crescent 10%

04:51

16:04

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
10 Bad

Sun - Rise: 05:32, Set: 20:45, Transit: 13:09. Moon - Rise: 04:51, Set: 16:04. Civil Dark: 21:25 - 04:52. Nautical Dark: 22:17 - 04:00. Astro Dark: 23:25 - 02:50

Total Clouds (% Sky Obscured)

77
82
100
99
100
100
100
99
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

63
63
54
13
25
54
32
27
13
3
0
0
0
1
93
100
100
100
100
100
80
100
100
100

Medium Clouds (% Sky Obscured)

73
81
94
90
92
97
90
34
71
88
63
99
100
100
100
100
100
100
100
100
98
66
27
6

High Clouds (% Sky Obscured)

0
45
88
98
99
98
99
98
94
99
99
100
100
95
100
100
100
100
100
99
98
99
95
88

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
7
6
6
3
4
5
6
7
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
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

2
0
0
2
1
1
1
1
0
1
2
5
9
14
25
62
76
84
90
92
85
79
67
56

Precipitation Amount (mm)

0.01
0
0
0.01
0.01
0.01
0.01
0.01
0
0.01
0.04
0.08
0.12
0.18
0.24
0.59
1.11
1.6
2.03
2.47
2.01
1.19
0.55
0.56

Wind Speed/Direction (mph)

8
8
7
7
7
6
6
8
10
10
10
11
13
14
16
17
18
19
20
21
21
22
23
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
58
54
52
51
50
49
49
51
55
59
64
69
74
80
85
90
94
97
97
96
95
96
93

Pressure (mb)

1016
1016
1017
1016
1016
1016
1015
1015
1015
1014
1014
1014
1013
1012
1011
1009
1008
1006
1004
1002
1001
1000
1000
1000

Ozone (du)

380
373
369
369
368
364
360
355
351
347
343
341
343
342
337
334
329
327
327
326
328
332
333
333

Saturday 8

Waning Crescent 10%

05:05

17:13

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
10 Bad

Sun - Rise: 05:30, Set: 20:47, Transit: 13:09. Moon - Rise: 05:05, Set: 17:13. Civil Dark: 21:26 - 04:50. Nautical Dark: 22:19 - 03:57. Astro Dark: 23:28 - 02:46

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
100
96
96
91
98
100
100
100
60
60
60
100
100
100
100
100
100
100
93
61
96
91

Medium Clouds (% Sky Obscured)

7
33
9
9
2
2
5
82
98
98
100
100
100
89
93
100
89
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
52
0
0
0
0
0
0
0
0
1
31
35
78
1
73
85
93
97

ISS Passover

Visibility (miles)

10
8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
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

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
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 (%)

57
46
37
22
15
17
17
11
9
12
13
18
21
29
13
19
29
36
35
32
37
14
10
10

Precipitation Amount (mm)

0.59
0.47
0.37
0.2
0.15
0.19
0.21
0.12
0.1
0.15
0.13
0.18
0.14
0.17
0.08
0.13
0.15
0.21
0.23
0.24
0.34
0.06
0.03
0.03

Wind Speed/Direction (mph)

22
22
22
22
23
24
24
24
25
25
24
23
23
21
20
20
18
17
15
13
14
14
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
12
11
11
11
11
11
11
11
12
12
12
12
12
11
11
10
10
10

Relative Humidity (%)

91
90
87
86
85
84
84
83
82
82
82
83
85
87
90
92
94
95
95
94
91
88
86
83

Pressure (mb)

1000
1000
999
999
999
998
998
998
997
997
996
996
996
995
995
995
994
994
994
994
994
994
994
994

Ozone (du)

334
334
334
333
333
335
337
339
336
335
335
336
337
337
328
328
329
330
330
330
330
331
333
334

Sunday 9

Waning Crescent 5%

05:19

18:21

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 OK
10 OK

Sun - Rise: 05:28, Set: 20:48, Transit: 13:09. Moon - Rise: 05:19, Set: 18:21. Civil Dark: 21:28 - 04:49. Nautical Dark: 22:21 - 03:55. Astro Dark: 23:32 - 02:42

Total Clouds (% Sky Obscured)

99
100
100
99
100
100
100
99
98
100
97
52
98
99
100
100
100
100
100
100
34
34
34
34

Low Clouds (% Sky Obscured)

34
73
67
31
53
32
3
5
2
6
20
27
73
97
100
100
100
100
100
100
30
30
30
30

Medium Clouds (% Sky Obscured)

71
100
100
98
98
99
100
99
98
100
96
24
81
90
11
11
11
11
11
11
21
21
21
21

High Clouds (% Sky Obscured)

98
88
80
71
92
40
38
21
20
70
14
30
91
7
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

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

Precipitation Probability (%)

5
7
8
6
7
6
5
0
4
0
0
0
0
2
0
2
4
5
6
0
6
6
8
8

Precipitation Amount (mm)

0.01
0.02
0.03
0.02
0.02
0.02
0.01
0
0.01
0
0
0
0
0.01
0
0.01
0.01
0.02
0.01
0
0.01
0.01
0.02
0.04

Wind Speed/Direction (mph)

17
18
17
17
16
16
16
16
16
16
15
15
16
17
17
17
17
17
16
16
16
16
16
17

Chance of Frost

Temperature (°C)

14
14
14
15
15
15
14
14
13
12
12
11
11
11
11
11
11
11
10
10
11
11
12
13

Feels Like (°C)

14
14
14
15
15
15
14
14
13
12
12
11
11
11
11
11
11
11
10
10
11
11
12
13

Dew Point (°C)

10
9
9
9
9
9
8
8
8
8
8
8
8
8
9
9
9
9
9
9
10
10
9
9

Relative Humidity (%)

78
73
71
68
66
67
67
67
71
75
78
81
84
84
86
87
89
92
92
92
92
88
83
77

Pressure (mb)

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

Ozone (du)

336
338
341
343
343
342
343
346
355
358
360
361
360
358
358
361
360
361
365
369
364
361
360
362

Monday 10

Waning Crescent 2%

05:35

19:29

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

Sun - Rise: 05:27, Set: 20:50, Transit: 13:09. Moon - Rise: 05:35, Set: 19:29. Civil Dark: 21:30 - 04:47. Nautical Dark: 22:23 - 03:53. Astro Dark: 23:36 - 02:38

Total Clouds (% Sky Obscured)

34
34
38
38
38
38
38
38
23
23
23
23
23
23
17
17
17
17
17
17
29
29
29
29

Low Clouds (% Sky Obscured)

30
30
12
12
12
12
12
12
21
21
21
21
21
21
13
13
13
13
13
13
28
28
28
28

Medium Clouds (% Sky Obscured)

21
21
35
35
35
35
35
35
13
13
13
13
13
13
10
10
10
10
10
10
11
11
11
11

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

Precipitation Probability (%)

8
10
12
13
10
9
11
17
18
12
7
5
5
5
0
4
5
5
4
0
0
0
3
3

Precipitation Amount (mm)

0.04
0.07
0.09
0.09
0.06
0.06
0.07
0.14
0.18
0.11
0.03
0.01
0.01
0.01
0
0.01
0.02
0.03
0.02
0
0
0
0.01
0.01

Wind Speed/Direction (mph)

17
18
20
20
19
19
18
17
16
15
13
13
13
13
13
13
13
13
13
13
12
13
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
70
67
67
67
68
69
70
72
76
80
83
87
89
92
94
96
96
96
96
94
89
81
76

Pressure (mb)

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

Ozone (du)

364
367
370
370
373
375
377
380
381
384
385
388
391
393
396
396
397
397
399
400
399
399
398
395

Tuesday 11

New Moon 0%

05:54

20:38

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 OK
07 OK
08 OK
09 OK
10 OK

Sun - Rise: 05:25, Set: 20:52, Transit: 13:09. Moon - Rise: 05:54, Set: 20:38. Civil Dark: 21:32 - 04:45. Nautical Dark: 22:26 - 03:50. Astro Dark: 23:40 - 02:34

Total Clouds (% Sky Obscured)

29
29
58
58
58
58
58
58
95
95
95
95
95
95
40
40
40
40
40
40
25
25
25
25

Low Clouds (% Sky Obscured)

28
28
56
56
56
56
56
56
64
64
64
64
64
64
34
34
34
34
34
34
5
5
5
5

Medium Clouds (% Sky Obscured)

11
11
16
16
16
16
16
16
25
25
25
25
25
25
9
9
9
9
9
9
23
23
23
23

High Clouds (% Sky Obscured)

0
0
2
2
2
2
2
2
81
81
81
81
81
81
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

9
18
23
23
16
14
15
16
23
26
32
39
30
19
14
12
9
7
4
0
0
0
0
0

Precipitation Amount (mm)

0.07
0.22
0.36
0.3
0.18
0.12
0.13
0.13
0.2
0.27
0.33
0.35
0.22
0.1
0.06
0.04
0.04
0.03
0.02
0
0
0
0
0

Wind Speed/Direction (mph)

17
19
20
20
19
18
18
17
17
16
15
14
14
14
15
15
15
14
14
13
12
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
70
68
67
68
72
76
76
78
82
86
89
92
93
95
96
97
97
96
95
92
88
83
80

Pressure (mb)

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

Ozone (du)

395
397
399
400
403
406
410
412
419
422
424
426
427
429
431
431
429
427
426
425
425
425
427
427

Wednesday 12

Waxing Crescent 1%

06:18

21:47

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
10 Bad

Sun - Rise: 05:24, Set: 20:53, Transit: 13:09. Moon - Rise: 06:18, Set: 21:47. Civil Dark: 21:33 - 04:43. Nautical Dark: 22:28 - 03:48. Astro Dark: 23:44 - 02:30

Total Clouds (% Sky Obscured)

25
25
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)

5
5
26
26
26
26
26
26
18
18
18
18
18
18
2
2
2
2
2
2
42
42
42
42

Medium Clouds (% Sky Obscured)

23
23
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
2
2
2
2
2
2
37
37
37
37
37
37
0
0
0
0
0
0
64
64
64
64

ISS Passover

Visibility (miles)

10
10
8
6
6
6
8
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
Very Light Rain
Very 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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

3
5
9
22
39
53
61
63
60
53
39
22
17
17
21
29
39
54
52
39
22
22
31
43

Precipitation Amount (mm)

0.01
0.03
0.08
0.2
0.52
0.84
0.92
0.84
0.71
0.55
0.37
0.26
0.21
0.18
0.22
0.48
1
1.3
0.87
0.4
0.26
0.18
0.15
0.22

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
8
8
9
9
9
9
10
10
10
11
11
10
10
10
10
10
10
10

Relative Humidity (%)

76
73
73
75
79
82
84
86
87
88
89
91
94
96
97
99
100
100
100
100
100
98
98
97

Pressure (mb)

1009
1009
1009
1009
1009
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008

Ozone (du)

425
422
418
415
412
408
404
400
397
395
394
395
396
398
400
402
402
402
399
395
390
386
382
379

Thursday 13

Waxing Crescent 3%

06:48

22:54

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
10 Bad

Sun - Rise: 05:22, Set: 20:55, Transit: 13:09. Moon - Rise: 06:48, Set: 22:54. Civil Dark: 21:35 - 04:41. Nautical Dark: 22:30 - 03:46. Astro Dark: 23:49 - 02:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
91
91
91
91
91
91
76
76
76
76
76
76
100
100
100
100

Low Clouds (% Sky Obscured)

42
42
76
76
76
76
76
76
58
58
58
58
58
58
68
68
68
68
68
68
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
45
45
45
45
45
45
45
45
45
45
45
45
68
68
68
68

High Clouds (% Sky Obscured)

64
64
91
91
91
91
91
91
83
83
83
83
83
83
1
1
1
1
1
1
2
2
2
2

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

Precipitation Probability (%)

52
62
67
67
69
68
63
60
57
60
60
53
49
46
41
34
24
15
12
12
14
13
11
10

Precipitation Amount (mm)

0.36
0.58
0.78
0.87
0.9
0.89
0.82
0.73
0.69
0.76
0.89
0.92
0.76
0.55
0.39
0.23
0.1
0.05
0.04
0.05
0.07
0.07
0.07
0.06

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
10
10
10
10
10
10
10

Relative Humidity (%)

94
92
91
90
90
90
89
88
88
89
92
94
98
100
100
100
100
100
100
100
100
99
99
97

Pressure (mb)

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

Ozone (du)

377
375
374
374
374
374
375
376
377
378
378
378
376
372
370
368
367
366
365
365
365
364
364
363

Forecast for Watchet, Somerset, UK (51.18,-3.33)

Generated: 07/05/21 11:59:55. Forecast: 07/05/21 to 13/05/21. Timezone: UTC+1.00