Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waning Gibbous 76%

00:57

09:13

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

Sun - Rise: 05:47, Set: 20:11, Transit: 13:00. Moon - Rise: 00:57, Set: 09:13. Civil Dark: 20:47 - 05:11. Nautical Dark: 21:34 - 04:24. Astro Dark: 22:27 - 03:29

Total Clouds (% Sky Obscured)

98
98
98
99
98
96
92
82
84
32
14
5
12
45
78
43
24
57
56
99
52
56
31
88

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
3
0
9
23
17
20
20
34
27
99
18
51
19
2

Medium Clouds (% Sky Obscured)

10
3
7
39
83
66
83
76
84
32
14
5
6
13
73
13
9
48
28
53
47
18
6
86

High Clouds (% Sky Obscured)

98
98
98
99
98
95
77
31
0
0
0
0
0
24
11
30
2
5
31
0
0
0
16
44

ISS Passover

Visibility (miles)

6
7
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

Precipitation Type

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
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
12
12
12
17
20
21
24
22
14
6
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.04
0.11
0.19
0.17
0.12
0.09
0.05
0.01
0

Wind Speed/Direction (mph)

7
6
6
5
5
4
4
4
4
4
4
5
7
10
13
15
16
17
18
19
19
17
15
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
57
59
61
63
65
69
73
77
81
83
83
79
73
69
68
67
68
68
70
70
68
65
64

Pressure (mb)

995
995
995
995
994
994
994
993
993
992
992
992
992
992
992
993
993
993
994
995
995
996
996
996

Ozone (du)

374
374
375
375
375
376
378
382
385
386
388
389
389
389
390
389
388
389
393
398
403
408
412
415

Wednesday 24

Waning Gibbous 67%

01:52

10:04

20 Good
21 OK
22 OK
23 OK
00 Good
01 Good
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

Sun - Rise: 05:45, Set: 20:13, Transit: 13:00. Moon - Rise: 01:52, Set: 10:04. Civil Dark: 20:49 - 05:08. Nautical Dark: 21:36 - 04:22. Astro Dark: 22:30 - 03:26

Total Clouds (% Sky Obscured)

12
9
36
30
6
0
95
97
98
72
67
100
100
100
98
99
65
95
38
37
30
41
40
86

Low Clouds (% Sky Obscured)

0
6
10
25
6
0
0
64
94
65
46
58
40
29
44
28
31
40
23
30
18
22
16
23

Medium Clouds (% Sky Obscured)

0
3
6
25
2
0
95
91
95
37
40
50
84
88
98
99
56
95
14
21
24
31
28
41

High Clouds (% Sky Obscured)

11
2
28
0
0
0
1
81
78
3
34
100
100
100
31
4
27
32
16
6
0
8
17
81

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
7
4
3
2
3
5
8
9
7
4
2
1
1
2

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
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
Very 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 (%)

0
9
11
10
0
0
9
12
20
26
42
51
51
47
43
45
48
48
41
35
32
26
16
10

Precipitation Amount (mm)

0
0.02
0.04
0.02
0
0
0.02
0.08
0.16
0.19
0.23
0.29
0.31
0.28
0.28
0.38
0.6
0.74
0.52
0.27
0.18
0.11
0.06
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
72
77
80
80
81
81
82
83
85
88
90
88
84
81
81
80
78
73
69
66
68
71
74

Pressure (mb)

997
997
998
997
997
997
996
996
995
995
995
996
996
997
997
998
999
999
1000
1000
1001
1001
1001
1002

Ozone (du)

416
416
413
405
395
387
384
384
385
385
387
388
390
391
392
393
393
392
390
389
387
387
388
389

Thursday 25

Waning Gibbous 57%

02:37

11:02

20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 Bad
02 OK
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

Sun - Rise: 05:43, Set: 20:14, Transit: 13:00. Moon - Rise: 02:37, Set: 11:02. Civil Dark: 20:51 - 05:06. Nautical Dark: 21:38 - 04:19. Astro Dark: 22:33 - 03:23

Total Clouds (% Sky Obscured)

88
84
95
43
23
50
37
42
48
49
46
59
59
59
59
59
59
99
99
99
99
99
99
98

Low Clouds (% Sky Obscured)

10
20
29
27
20
45
20
34
39
36
37
45
45
45
45
45
45
98
98
98
98
98
98
77

Medium Clouds (% Sky Obscured)

41
20
42
9
6
14
11
17
17
27
24
20
20
20
20
20
20
95
95
95
95
95
95
88

High Clouds (% Sky Obscured)

84
80
91
30
3
6
21
12
13
11
6
26
26
26
26
26
26
0
0
0
0
0
0
92

ISS Passover

Visibility (miles)

6
10
10
10
10
10
10
6
2
1
0
2
6
10
10
10
10
10
10
9
6
4
2
2

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

Precipitation Probability (%)

9
16
19
13
6
0
11
34
56
72
77
78
71
49
30
15
7
2
7
13
21
17
11
9

Precipitation Amount (mm)

0.02
0.05
0.07
0.04
0.01
0
0.02
0.09
0.24
0.53
0.96
1.15
0.77
0.32
0.16
0.08
0.02
0.01
0.03
0.11
0.2
0.22
0.18
0.13

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
78
81
83
84
85
87
89
91
92
92
92
90
88
85
79
73
66
62
62
65
67
69
67

Pressure (mb)

1002
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1006
1007
1007
1008
1008
1008
1009
1009
1010
1010

Ozone (du)

390
390
390
390
388
387
385
383
383
383
384
385
387
388
388
385
381
377
374
373
372
373
376
378

Friday 26

Third Quarter 47%

03:14

12:03

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

Sun - Rise: 05:41, Set: 20:16, Transit: 12:59. Moon - Rise: 03:14, Set: 12:03. Civil Dark: 20:53 - 05:04. Nautical Dark: 21:40 - 04:17. Astro Dark: 22:36 - 03:20

Total Clouds (% Sky Obscured)

98
98
98
98
98
100
100
100
100
100
100
88
88
88
88
88
88
100
100
100
100
100
100
64

Low Clouds (% Sky Obscured)

77
77
77
77
77
100
100
100
100
100
100
78
78
78
78
78
78
99
99
99
99
99
99
7

Medium Clouds (% Sky Obscured)

88
88
88
88
88
93
93
93
93
93
93
49
49
49
49
49
49
99
99
99
99
99
99
63

High Clouds (% Sky Obscured)

92
92
92
92
92
0
0
0
0
0
0
37
37
37
37
37
37
19
19
19
19
19
19
0

ISS Passover

Visibility (miles)

6
10
10
10
8
4
3
2
1
1
1
2
6
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
None
None
Very 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
Very Light Rain
None

Precipitation Probability (%)

7
0
0
19
62
74
75
68
62
59
52
46
42
27
14
10
9
9
9
11
11
9
6
3

Precipitation Amount (mm)

0.05
0
0
0.09
0.47
0.86
0.75
0.55
0.51
0.49
0.46
0.4
0.24
0.09
0.03
0.02
0.02
0.03
0.04
0.07
0.09
0.06
0.02
0.02

Wind Speed/Direction (mph)

10
10
11
13
16
18
18
16
15
15
14
17
17
18
19
19
20
20
19
18
17
16
15
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
10
10
10
10
6
6
5
5
5
5
5
5
6
10
11
11
12
12
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

68
70
73
78
82
85
85
84
84
85
85
85
84
83
82
80
78
76
74
71
70
69
69
68

Pressure (mb)

1011
1011
1011
1010
1009
1008
1007
1006
1005
1004
1004
1005
1006
1007
1008
1009
1010
1011
1012
1014
1015
1017
1018
1019

Ozone (du)

379
380
382
388
394
401
408
414
419
423
425
426
424
421
416
410
402
397
394
394
393
392
390
388

Saturday 27

Waning Crescent 37%

03:44

13:07

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

Sun - Rise: 05:39, Set: 20:18, Transit: 12:59. Moon - Rise: 03:44, Set: 13:07. Civil Dark: 20:55 - 05:02. Nautical Dark: 21:42 - 04:14. Astro Dark: 22:39 - 03:16

Total Clouds (% Sky Obscured)

64
64
64
64
64
2
2
2
2
2
2
0
0
0
0
0
0
100
100
100
100
100
100
81

Low Clouds (% Sky Obscured)

7
7
7
7
7
0
0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
100
100
67

Medium Clouds (% Sky Obscured)

63
63
63
63
63
1
1
1
1
1
1
0
0
0
0
0
0
40
40
40
40
40
40
78

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

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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
10
10
9
9
8
7
7
6
5
6
7
9
11
13
14
16
17
17
17
17
16
15

Feels Like (°C)

13
12
10
7
6
6
5
4
4
3
2
3
4
7
11
13
14
16
17
17
17
17
16
15

Dew Point (°C)

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

Relative Humidity (%)

68
70
74
76
77
78
79
81
83
86
87
85
79
72
66
60
56
52
51
52
53
55
59
61

Pressure (mb)

1020
1021
1022
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1023
1022

Ozone (du)

386
382
379
377
374
372
370
368
367
365
363
361
360
358
357
356
355
353
351
348
345
340
335
331

Sunday 28

Waning Crescent 28%

04:09

14:12

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

Sun - Rise: 05:37, Set: 20:19, Transit: 12:59. Moon - Rise: 04:09, Set: 14:12. Civil Dark: 20:57 - 05:00. Nautical Dark: 21:44 - 04:12. Astro Dark: 22:42 - 03:13

Total Clouds (% Sky Obscured)

81
81
81
81
81
4
4
4
4
4
4
9
9
9
9
9
9
98
98
98
98
98
98
97

Low Clouds (% Sky Obscured)

67
67
67
67
67
4
4
4
4
4
4
9
9
9
9
9
9
98
98
98
98
98
98
95

Medium Clouds (% Sky Obscured)

78
78
78
78
78
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
86

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
4
4
4
4
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
1
1
2
2
2
2
2
0
0
5
7
9
9
9
7
0
0
5
8
13
16
21
25

Precipitation Amount (mm)

0
0.02
0.03
0.04
0.03
0.03
0.02
0.01
0
0
0.01
0.01
0.02
0.04
0.05
0.02
0
0
0.02
0.12
0.24
0.25
0.23
0.22

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
67
72
77
81
83
85
87
89
90
89
88
86
83
80
76
71
66
63
62
64
68
73
76

Pressure (mb)

1022
1023
1023
1023
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1017

Ozone (du)

326
321
318
316
315
315
315
316
316
315
314
313
310
307
305
303
301
301
301
301
303
305
308
311

Monday 29

Waning Crescent 20%

04:31

15:18

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

Sun - Rise: 05:36, Set: 20:21, Transit: 12:59. Moon - Rise: 04:31, Set: 15:18. Civil Dark: 20:58 - 04:58. Nautical Dark: 21:47 - 04:09. Astro Dark: 22:45 - 03:09

Total Clouds (% Sky Obscured)

97
97
97
97
97
25
25
25
25
25
25
98
98
98
98
98
98
87
87
87
87
87
87
95

Low Clouds (% Sky Obscured)

95
95
95
95
95
24
24
24
24
24
24
98
98
98
98
98
98
78
78
78
78
78
78
14

Medium Clouds (% Sky Obscured)

86
86
86
86
86
10
10
10
10
10
10
22
22
22
22
22
22
73
73
73
73
73
73
33

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
93

ISS Passover

Visibility (miles)

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

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
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

Precipitation Probability (%)

25
24
24
31
45
54
55
53
53
55
55
55
53
49
42
38
35
35
37
41
42
37
30
23

Precipitation Amount (mm)

0.2
0.18
0.19
0.27
0.42
0.53
0.54
0.55
0.59
0.64
0.67
0.68
0.66
0.61
0.54
0.44
0.34
0.27
0.28
0.32
0.31
0.23
0.14
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
79
82
84
85
86
88
90
91
92
92
89
86
82
80
76
73
71
72
73
73
71
71

Pressure (mb)

1017
1018
1018
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1013
1013
1012
1012

Ozone (du)

314
317
320
323
325
328
330
332
333
335
336
337
339
341
343
343
343
342
340
337
336
337
339
340

Forecast for Guildford, Surrey, UK (51.24,-0.57)

Generated: 23/04/19 20:16:08. Forecast: 23/04/19 to 29/04/19. Timezone: UTC+1.00