Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 57%

02:35

11:01

21 Good
22 Bad
23 Good
00 OK
01 OK
02 OK
03 OK
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
19 Bad
20 Bad

Sun - Rise: 05:42, Set: 20:14, Transit: 12:58. Moon - Rise: 02:35, Set: 11:01. Civil Dark: 20:51 - 05:05. Nautical Dark: 21:36 - 04:18. Astro Dark: 22:31 - 03:22

Total Clouds (% Sky Obscured)

11
81
20
31
32
20
18
55
59
49
45
50
98
98
95
93
95
98
100
100
95
81
88
93

Low Clouds (% Sky Obscured)

8
37
14
30
31
19
15
44
32
39
42
49
98
98
90
46
24
27
45
100
31
37
43
49

Medium Clouds (% Sky Obscured)

5
70
13
6
6
9
5
27
30
13
10
24
21
15
26
41
90
96
100
100
87
27
75
64

High Clouds (% Sky Obscured)

0
45
1
0
0
0
2
9
33
17
1
0
3
54
81
88
82
65
8
23
58
68
73
87

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
9
11
13
17
17
10
7
5
4
6
7
6
5
4
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.02
0.03
0.08
0.34
0.5
0.29
0.17
0.1
0.04
0.01
0.02
0.03
0.06
0.05
0.02

Wind Speed/Direction (mph)

8
7
7
7
7
7
7
7
7
8
8
10
11
11
12
13
14
15
16
16
17
15
15
15

Chance of Frost

Temperature (°C)

10
9
9
9
9
8
8
8
8
8
9
9
10
11
12
12
13
14
15
14
14
13
13
12

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
6
7
7
7
7
8
8
8
8
8
8
8
8
8
8
8
7
7
6

Relative Humidity (%)

73
78
81
83
85
87
90
92
93
94
93
90
85
82
78
75
70
66
65
65
68
69
70
71

Pressure (mb)

1004
1005
1006
1006
1007
1007
1007
1007
1008
1008
1009
1009
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

396
399
400
401
402
402
402
402
402
402
401
398
395
392
390
388
386
382
377
374
371
369
368
366

Friday 26

Third Quarter 47%

03:12

12:02

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Good
05 OK
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
19 Bad
20 Bad

Sun - Rise: 05:40, Set: 20:16, Transit: 12:58. Moon - Rise: 03:12, Set: 12:02. Civil Dark: 20:53 - 05:03. Nautical Dark: 21:38 - 04:16. Astro Dark: 22:34 - 03:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
48
39
2
29
99
99
78
62
74
85
71
70
70
74
64
48
46
37
47

Low Clouds (% Sky Obscured)

58
29
100
100
99
13
8
1
7
99
99
77
51
72
84
60
62
36
42
27
14
16
7
21

Medium Clouds (% Sky Obscured)

100
100
100
99
91
43
37
1
28
38
21
3
30
42
56
59
65
69
69
61
48
44
36
48

High Clouds (% Sky Obscured)

18
0
0
0
0
0
0
0
0
3
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
6
2
3
5
7
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

8
13
22
45
37
48
15
10
0
6
7
8
24
12
11
11
10
10
14
11
13
13
13
13

Precipitation Amount (mm)

0.03
0.05
0.13
0.32
0.16
0.43
0.06
0.01
0
0.04
0.02
0.05
0.39
0.14
0.19
0.2
0.19
0.18
0.24
0.09
0.12
0.11
0.12
0.2

Wind Speed/Direction (mph)

16
16
17
18
19
20
19
18
20
21
22
22
22
26
24
23
25
26
25
25
24
22
21
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
10
6
6
6
5
4
3
2
2
2
3
4
4
6
10
11
11
11
11
10
10
6
6

Dew Point (°C)

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

Relative Humidity (%)

71
72
77
84
87
84
79
77
77
77
76
73
69
63
60
58
56
54
54
56
59
61
62
62

Pressure (mb)

1011
1011
1011
1010
1009
1008
1008
1007
1007
1006
1006
1006
1006
1006
1008
1009
1010
1011
1012
1013
1014
1015
1015
1016

Ozone (du)

363
364
368
374
382
391
402
409
408
404
401
400
401
402
404
407
409
408
406
406
408
411
414
414

Saturday 27

Waning Crescent 37%

03:42

13:06

21 Bad
22 Bad
23 Bad
00 Good
01 Bad
02 Bad
03 OK
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
19 Bad
20 Bad

Sun - Rise: 05:38, Set: 20:17, Transit: 12:58. Moon - Rise: 03:42, Set: 13:06. Civil Dark: 20:54 - 05:01. Nautical Dark: 21:40 - 04:13. Astro Dark: 22:37 - 03:16

Total Clouds (% Sky Obscured)

74
51
73
13
66
77
37
95
81
94
100
98
98
99
100
100
100
100
89
60
70
66
94
94

Low Clouds (% Sky Obscured)

10
19
20
5
1
1
2
2
64
51
61
95
95
98
100
100
100
100
87
58
64
66
93
93

Medium Clouds (% Sky Obscured)

73
42
68
11
65
77
36
95
76
93
99
81
54
58
62
34
8
39
73
30
55
13
31
31

High Clouds (% Sky Obscured)

4
0
9
2
6
2
0
0
0
0
25
34
34
8
9
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

7
6
3
2
0
0
0
2
0
0
0
0
0
0
4
6
8
17
23
31
33
32
32
29

Precipitation Amount (mm)

0.13
0.19
0.05
0.01
0
0
0
0.01
0
0
0
0
0
0
0.01
0.06
0.12
0.3
0.32
0.35
0.37
0.37
0.34
0.29

Wind Speed/Direction (mph)

19
17
16
15
14
14
14
13
13
13
13
13
14
14
14
13
12
11
11
11
9
5
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
63
63
65
67
68
71
73
75
76
75
72
68
65
62
61
60
64
65
69
73
77
78
79

Pressure (mb)

1017
1018
1018
1018
1019
1019
1019
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1020
1020
1020
1020
1019
1019
1020

Ozone (du)

412
411
409
408
406
403
401
398
396
393
390
386
382
378
375
373
371
370
370
370
371
372
373
375

Sunday 28

Waning Crescent 28%

04:07

14:11

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

Sun - Rise: 05:36, Set: 20:19, Transit: 12:58. Moon - Rise: 04:07, Set: 14:11. Civil Dark: 20:56 - 04:59. Nautical Dark: 21:42 - 04:11. Astro Dark: 22:40 - 03:12

Total Clouds (% Sky Obscured)

94
94
94
94
22
22
22
22
22
22
100
100
100
100
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

93
93
93
93
2
2
2
2
2
2
100
100
100
100
100
100
100
100
100
100
100
100
81
81

Medium Clouds (% Sky Obscured)

31
31
31
31
3
3
3
3
3
3
99
99
99
99
99
99
99
99
99
99
99
99
95
95

High Clouds (% Sky Obscured)

0
0
0
0
20
20
20
20
20
20
99
99
99
99
99
99
100
100
100
100
100
100
85
85

ISS Passover

Visibility (miles)

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

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
None
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
8
5
4
3
4
4
5
5
5
4
4
0
5
7
12
17
22
27
31
28
23
13

Precipitation Amount (mm)

0.23
0.19
0.13
0.09
0.06
0.04
0.04
0.03
0.02
0.02
0.01
0.01
0.01
0
0.01
0.04
0.09
0.17
0.26
0.33
0.34
0.31
0.25
0.13

Wind Speed/Direction (mph)

6
6
6
6
6
6
6
6
5
5
5
5
5
6
6
6
6
6
6
6
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
86
88
89
90
90
91
92
93
94
93
90
85
81
77
75
72
69
68
69
72
76
77
78

Pressure (mb)

1020
1020
1021
1021
1021
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

377
377
374
370
367
365
364
364
363
363
362
361
360
359
358
358
357
358
358
360
361
363
364
366

Monday 29

Waning Crescent 20%

04:29

15:16

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

Sun - Rise: 05:34, Set: 20:21, Transit: 12:57. Moon - Rise: 04:29, Set: 15:16. Civil Dark: 20:58 - 04:57. Nautical Dark: 21:44 - 04:08. Astro Dark: 22:43 - 03:09

Total Clouds (% Sky Obscured)

99
99
99
99
6
6
6
6
6
6
89
89
89
89
89
89
96
96
96
96
96
96
100
100

Low Clouds (% Sky Obscured)

81
81
81
81
0
0
0
0
0
0
2
2
2
2
2
2
27
27
27
27
27
27
0
0

Medium Clouds (% Sky Obscured)

95
95
95
95
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
71
71

High Clouds (% Sky Obscured)

85
85
85
85
6
6
6
6
6
6
88
88
88
88
88
88
95
95
95
95
95
95
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
None
None
None
None
None

Precipitation Probability (%)

4
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.04
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
8
8
7
7
7
6
6
6
6
7
9
11
13
14
15
16
17
17
17
17
16
15
14

Feels Like (°C)

8
6
5
5
5
4
4
4
4
4
5
7
11
13
14
15
16
17
17
17
17
16
15
14

Dew Point (°C)

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

Relative Humidity (%)

80
82
84
86
86
87
88
91
93
93
92
86
78
73
67
63
57
53
51
51
53
57
59
60

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1019
1019
1019

Ozone (du)

368
369
370
370
370
372
373
374
374
374
374
373
372
370
369
368
367
367
369
369
369
368
367
366

Tuesday 30

Waning Crescent 13%

04:49

16:23

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
19 Bad
20 Bad

Sun - Rise: 05:33, Set: 20:22, Transit: 12:57. Moon - Rise: 04:49, Set: 16:23. Civil Dark: N/A - 04:55. Nautical Dark: 21:47 - 04:06. Astro Dark: 22:46 - 03:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
76
76

Low Clouds (% Sky Obscured)

0
0
0
0
98
98
98
98
98
98
100
100
100
100
100
100
88
88
88
88
88
88
70
70

Medium Clouds (% Sky Obscured)

71
71
71
71
99
99
99
99
99
99
100
100
100
100
100
100
90
90
90
90
90
90
42
42

High Clouds (% Sky Obscured)

100
100
100
100
77
77
77
77
77
77
0
0
0
0
0
0
45
45
45
45
45
45
11
11

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
7
4
4
5
7
8
9
10
10
9
9
9
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
9
18
34
51
57
45
33
28
18
9
4
5
8
10
8
5
4
2

Precipitation Amount (mm)

0
0
0
0
0
0
0.02
0.05
0.15
0.36
0.55
0.57
0.51
0.41
0.25
0.1
0.05
0.09
0.2
0.28
0.21
0.11
0.06
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
11
10
10
9
9
8
8
8
8
9
11
12
13
14
15
16
17
17
16
16
15
14

Feels Like (°C)

13
12
11
10
10
8
7
7
6
6
7
8
11
12
13
14
15
16
17
17
16
16
15
14

Dew Point (°C)

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

Relative Humidity (%)

61
63
66
69
72
75
81
86
89
91
91
88
83
78
75
71
67
64
61
60
60
61
61
63

Pressure (mb)

1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014

Ozone (du)

365
364
363
362
361
361
361
360
358
356
355
355
355
356
355
355
354
354
353
353
353
354
354
355

Wednesday 1

Waning Crescent 7%

05:08

17:30

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

Sun - Rise: 05:31, Set: 20:24, Transit: 12:57. Moon - Rise: 05:08, Set: 17:30. Civil Dark: 21:00 - 04:53. Nautical Dark: 21:49 - 04:03. Astro Dark: 22:49 - 03:02

Total Clouds (% Sky Obscured)

76
76
76
76
19
19
19
19
19
19
5
5
5
5
5
5
97
97
97
97
97
97
70
70

Low Clouds (% Sky Obscured)

70
70
70
70
16
16
16
16
16
16
2
2
2
2
2
2
94
94
94
94
94
94
25
25

Medium Clouds (% Sky Obscured)

42
42
42
42
15
15
15
15
15
15
4
4
4
4
4
4
95
95
95
95
95
95
61
61

High Clouds (% Sky Obscured)

11
11
11
11
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
19
19

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
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
7
7
6
6
7
7
7
7
7
7
7
8
9
9
10
11
11
11
11
10
9
8
8

Chance of Frost

Temperature (°C)

13
12
11
10
9
9
8
8
8
8
9
10
11
13
13
14
15
16
17
16
16
15
15
14

Feels Like (°C)

13
12
11
9
8
7
6
6
6
6
7
8
11
13
13
14
15
16
17
16
16
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

65
68
71
75
78
80
82
83
84
84
82
78
74
71
69
67
63
59
55
55
56
59
61
63

Pressure (mb)

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

Ozone (du)

356
357
358
359
360
361
363
364
366
367
369
371
374
376
377
378
378
377
377
376
375
375
374
375

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

Generated: 25/04/19 21:01:49. Forecast: 25/04/19 to 01/05/19. Timezone: UTC+1.00