Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 7

Waning Crescent 10%

04:38

15:51

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

Sun - Rise: 05:19, Set: 20:32, Transit: 12:57. Moon - Rise: 04:38, Set: 15:51. Civil Dark: 21:12 - 04:40. Nautical Dark: 22:03 - 03:48. Astro Dark: 23:11 - 02:39

Total Clouds (% Sky Obscured)

2
57
100
88
64
59
42
92
97
38
64
99
99
7
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
16
2
2
6
12
11
9
2
0
0
0
0
6
32
31
0
4
98
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
56
100
88
63
54
16
10
5
1
0
1
6
3
59
96
99
100
100
100
93
100
100
99

High Clouds (% Sky Obscured)

0
0
0
0
0
4
25
91
97
37
64
99
99
0
100
99
100
100
100
100
100
97
100
90

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
7
4
5
2
1
1

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

Precipitation Probability (%)

4
4
0
2
4
3
3
2
2
0
1
1
1
1
1
4
5
9
26
56
79
86
89
90

Precipitation Amount (mm)

0.01
0.01
0
0.02
0.06
0.04
0.03
0.03
0.02
0
0.01
0.02
0.02
0.03
0.01
0.02
0.05
0.1
0.26
0.47
1.22
1.47
1.6
1.88

Wind Speed/Direction (mph)

7
8
9
11
12
12
12
11
10
7
5
5
5
5
7
8
10
12
13
15
16
18
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
51
48
50
54
55
54
54
56
59
64
68
73
76
74
73
72
75
82
88
94
100
100
100

Pressure (mb)

1016
1016
1017
1017
1017
1016
1016
1016
1017
1017
1017
1017
1016
1016
1015
1014
1013
1012
1011
1010
1008
1007
1006
1006

Ozone (du)

381
382
381
378
373
369
367
366
361
358
356
350
349
350
345
343
337
334
329
329
326
325
323
323

Saturday 8

Waning Crescent 10%

04:52

17:00

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

Sun - Rise: 05:18, Set: 20:34, Transit: 12:57. Moon - Rise: 04:52, Set: 17:00. Civil Dark: 21:13 - 04:38. Nautical Dark: 22:06 - 03:45. Astro Dark: 23:15 - 02:35

Total Clouds (% Sky Obscured)

100
100
100
97
99
37
27
37
77
77
60
37
39
1
2
10
30
64
56
45
67
73
16
27

Low Clouds (% Sky Obscured)

100
100
100
93
95
28
23
13
4
2
1
2
2
1
2
10
30
64
54
29
7
0
0
8

Medium Clouds (% Sky Obscured)

70
19
25
50
95
26
20
19
0
0
0
0
0
0
0
0
0
0
6
30
34
57
16
21

High Clouds (% Sky Obscured)

87
18
41
56
6
0
0
20
76
77
59
36
38
0
0
0
0
0
0
3
49
40
0
0

ISS Passover

Visibility (miles)

6
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

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

Precipitation Probability (%)

86
75
39
16
10
8
7
6
6
4
2
2
2
2
3
3
7
7
6
6
3
0
0
0

Precipitation Amount (mm)

1.06
0.76
0.37
0.1
0.04
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.01
0
0
0

Wind Speed/Direction (mph)

22
21
21
21
21
20
19
18
17
17
16
16
15
14
12
12
11
10
10
10
11
13
15
17

Chance of Frost

Temperature (°C)

10
11
12
13
14
15
16
16
16
15
14
14
13
13
13
12
12
11
11
11
12
13
14
15

Feels Like (°C)

10
11
12
13
14
15
16
16
16
15
14
14
13
13
13
12
12
11
11
11
12
13
14
15

Dew Point (°C)

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

Relative Humidity (%)

100
99
95
92
87
83
77
73
73
74
73
74
77
79
81
83
86
88
89
91
91
91
87
83

Pressure (mb)

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

Ozone (du)

323
325
330
331
330
330
329
329
329
329
330
330
330
330
323
322
322
323
325
326
327
328
329
331

Sunday 9

Waning Crescent 5%

05:07

18:08

11 OK
12 OK
13 OK
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: 05:16, Set: 20:36, Transit: 12:57. Moon - Rise: 05:07, Set: 18:08. Civil Dark: 21:15 - 04:36. Nautical Dark: 22:08 - 03:43. Astro Dark: 23:19 - 02:31

Total Clouds (% Sky Obscured)

23
36
39
48
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

14
26
10
42
29
20
1
34
31
77
99
98
100
75
95
95
95
95
95
95
100
100
100
100

Medium Clouds (% Sky Obscured)

14
24
37
20
31
39
27
38
83
84
65
81
52
81
56
56
56
56
56
56
1
1
1
1

High Clouds (% Sky Obscured)

0
0
0
4
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
66
66
66
66

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
5
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
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
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
3
3
6
11
18
13
10
7
6
5
6
4
5
8
8
8
13
14
12
12

Precipitation Amount (mm)

0
0
0
0
0.01
0.01
0.01
0.04
0.09
0.04
0.02
0.01
0.01
0.01
0.01
0.01
0.03
0.05
0.05
0.03
0.07
0.09
0.09
0.07

Wind Speed/Direction (mph)

17
17
16
15
13
12
11
9
9
7
7
7
7
7
9
10
10
11
12
12
13
14
15
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
17
18
18
19
19
18
17
16
14
14
13
12
11
11
11
10
8
7
7
7
10
11
12

Dew Point (°C)

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

Relative Humidity (%)

78
74
70
66
65
67
70
74
77
81
80
80
82
85
88
91
94
98
99
98
97
97
94
89

Pressure (mb)

998
998
998
998
998
997
997
997
997
997
997
998
998
998
998
998
998
998
998
998
999
999
1000
1000

Ozone (du)

333
335
334
334
335
336
335
335
338
340
343
344
344
346
350
348
350
352
357
361
361
363
367
368

Monday 10

Waning Crescent 2%

05:23

19:16

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

Sun - Rise: 05:15, Set: 20:37, Transit: 12:57. Moon - Rise: 05:23, Set: 19:16. Civil Dark: 21:17 - 04:35. Nautical Dark: 22:10 - 03:41. Astro Dark: 23:23 - 02:27

Total Clouds (% Sky Obscured)

100
100
25
25
25
25
25
25
0
0
0
0
0
0
38
38
38
38
38
38
34
34
34
34

Low Clouds (% Sky Obscured)

100
100
24
24
24
24
24
24
0
0
0
0
0
0
17
17
17
17
17
17
2
2
2
2

Medium Clouds (% Sky Obscured)

1
1
11
11
11
11
11
11
0
0
0
0
0
0
18
18
18
18
18
18
2
2
2
2

High Clouds (% Sky Obscured)

66
66
0
0
0
0
0
0
0
0
0
0
0
0
20
20
20
20
20
20
33
33
33
33

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.08
0.08
0.06
0.02
0.01
0.01
0.01
0
0
0
0
0.01
0.03
0.07
0.1
0.07
0.03
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
20
20
20
19
17
16
14
12
10
8
8
7
8
7
6
6
6
5
5
6
8
9
10

Chance of Frost

Temperature (°C)

12
13
13
13
14
14
14
14
13
12
11
10
10
10
8
8
8
8
8
8
9
11
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
79
73
70
68
67
65
65
70
73
76
77
79
86
91
93
94
96
96
95
93
88
81
75

Pressure (mb)

1001
1002
1002
1003
1003
1004
1004
1004
1005
1005
1006
1006
1006
1007
1007
1007
1006
1007
1007
1007
1008
1008
1008
1008

Ozone (du)

366
364
363
363
363
364
364
365
366
369
371
373
375
377
379
378
378
376
376
377
376
378
381
384

Tuesday 11

New Moon 0%

05:42

20:25

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

Sun - Rise: 05:13, Set: 20:39, Transit: 12:57. Moon - Rise: 05:42, Set: 20:25. Civil Dark: 21:19 - 04:33. Nautical Dark: 22:12 - 03:38. Astro Dark: 23:27 - 02:23

Total Clouds (% Sky Obscured)

34
34
96
96
96
96
96
96
4
4
4
4
4
4
41
41
41
41
41
41
53
53
53
53

Low Clouds (% Sky Obscured)

2
2
27
27
27
27
27
27
4
4
4
4
4
4
40
40
40
40
40
40
31
31
31
31

Medium Clouds (% Sky Obscured)

2
2
23
23
23
23
23
23
0
0
0
0
0
0
13
13
13
13
13
13
43
43
43
43

High Clouds (% Sky Obscured)

33
33
95
95
95
95
95
95
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

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

Precipitation Probability (%)

0
0
0
2
0
3
3
3
3
3
0
0
0
0
3
0
0
0
0
4
4
4
5
9

Precipitation Amount (mm)

0
0
0
0.01
0
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0.01
0
0
0
0
0.01
0.02
0.04
0.06
0.08

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
15
16
16
16
15
14
14
13
11
10
10
10
10
10
9
9
9
9
10
10
11
11

Feels Like (°C)

13
14
15
16
16
16
15
14
14
13
11
10
7
7
7
7
7
7
7
7
7
10
11
11

Dew Point (°C)

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

Relative Humidity (%)

71
68
64
59
56
56
58
64
68
74
78
81
83
83
85
89
95
98
96
93
89
85
82
79

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012

Ozone (du)

385
386
387
388
389
388
389
390
394
396
397
398
398
397
403
406
410
413
416
418
421
424
426
427

Wednesday 12

Waxing Crescent 1%

06:05

21:33

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: 05:12, Set: 20:40, Transit: 12:57. Moon - Rise: 06:05, Set: 21:33. Civil Dark: 21:20 - 04:31. Nautical Dark: 22:15 - 03:36. Astro Dark: 23:31 - 02:18

Total Clouds (% Sky Obscured)

53
53
75
75
75
75
75
75
100
100
100
100
100
100
66
66
66
66
66
66
100
100
100
100

Low Clouds (% Sky Obscured)

31
31
68
68
68
68
68
68
100
100
100
100
100
100
31
31
31
31
31
31
100
100
100
100

Medium Clouds (% Sky Obscured)

43
43
34
34
34
34
34
34
52
52
52
52
52
52
52
52
52
52
52
52
2
2
2
2

High Clouds (% Sky Obscured)

0
0
2
2
2
2
2
2
73
73
73
73
73
73
20
20
20
20
20
20
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
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

8
7
7
5
4
3
6
24
40
38
22
11
6
3
2
2
4
7
11
12
12
14
15
15

Precipitation Amount (mm)

0.06
0.04
0.04
0.04
0.04
0.03
0.08
0.31
0.53
0.41
0.19
0.06
0.02
0.01
0.01
0.01
0.04
0.07
0.08
0.09
0.09
0.07
0.08
0.12

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
76
73
67
61
60
63
70
78
82
85
87
87
87
87
89
94
97
98
98
97
95
93
90

Pressure (mb)

1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1010
1010
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

425
421
416
409
401
395
391
389
388
387
386
386
385
383
383
384
385
386
387
388
389
388
386
384

Thursday 13

Waxing Crescent 3%

06:35

22:41

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: 05:10, Set: 20:42, Transit: 12:57. Moon - Rise: 06:35, Set: 22:41. Civil Dark: 21:22 - 04:29. Nautical Dark: 22:17 - 03:34. Astro Dark: 23:35 - 02:14

Total Clouds (% Sky Obscured)

100
100
92
92
92
92
92
92
68
68
68
68
68
68
98
98
98
98
98
98
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
75
75
75
75
75
75
29
29
29
29
29
29
91
91
91
91
91
91
100
100
100
100

Medium Clouds (% Sky Obscured)

2
2
82
82
82
82
82
82
45
45
45
45
45
45
15
15
15
15
15
15
41
41
41
41

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
42
42
42
42
42
42
76
76
76
76
76
76
83
83
83
83

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
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 (%)

14
14
14
13
12
12
18
32
37
27
15
0
8
12
19
26
32
37
39
33
30
29
21
13

Precipitation Amount (mm)

0.09
0.07
0.08
0.08
0.08
0.08
0.12
0.28
0.38
0.22
0.04
0
0.01
0.05
0.13
0.22
0.37
0.5
0.51
0.55
0.57
0.38
0.17
0.08

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
14
15
17
17
17
16
15
14
13
12
11
11
11
11
10
10
7
7
7
10
11
11

Dew Point (°C)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
11
10
10
10
10
10
10
10
9

Relative Humidity (%)

86
81
76
70
66
64
64
67
73
78
84
89
93
96
98
100
100
100
100
100
100
97
92
88

Pressure (mb)

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

Ozone (du)

383
381
379
376
372
369
367
366
366
365
365
366
366
367
367
367
366
366
366
366
366
366
366
366

Forecast for Crawley, West Sussex, UK (51.11,-0.19)

Generated: 07/05/21 11:07:08. Forecast: 07/05/21 to 13/05/21. Timezone: UTC+1.00