Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waning Gibbous 68%

02:03

10:07

18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 Good
00 Good
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

Sun - Rise: 05:02, Set: 20:54, Transit: 12:58. Moon - Rise: 02:03, Set: 10:07. Civil Dark: 21:36 - 04:19. Nautical Dark: 22:35 - 03:20. Astro Dark: 00:15 - 01:34

Total Clouds (% Sky Obscured)

91
66
45
34
18
0
6
30
21
34
61
95
100
100
100
100
98
100
100
97
100
100
100
100

Low Clouds (% Sky Obscured)

86
50
41
30
17
0
1
1
0
1
0
0
0
16
45
45
20
18
15
2
38
66
100
99

Medium Clouds (% Sky Obscured)

34
32
27
19
4
0
0
0
0
0
6
3
91
84
5
80
82
52
81
78
58
90
14
9

High Clouds (% Sky Obscured)

0
0
0
0
0
0
5
29
21
33
59
95
100
100
100
100
86
100
100
96
100
100
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

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

Precipitation Probability (%)

16
23
14
5
3
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.06
0.04
0.1
0.04
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
14
14
14
13
12
11
11
10
9
9
9
10
11
13
14
15
16
17
17
18
19
18

Feels Like (°C)

15
15
14
14
14
13
12
11
11
8
8
7
8
10
11
13
14
15
16
17
17
18
19
18

Dew Point (°C)

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

Relative Humidity (%)

78
80
82
85
85
83
81
80
81
84
85
86
87
86
83
77
70
65
62
60
58
56
54
55

Pressure (mb)

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

Ozone (du)

389
381
381
378
375
369
362
351
347
346
345
342
342
344
343
342
340
338
337
335
336
336
338
339

Saturday 21

Waning Gibbous 56%

02:31

11:33

18 Bad
19 OK
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 Good
13 Good
14 Good
15 OK
16 Bad
17 Bad

Sun - Rise: 05:01, Set: 20:55, Transit: 12:58. Moon - Rise: 02:31, Set: 11:33. Civil Dark: 21:37 - 04:18. Nautical Dark: 22:37 - 03:18. Astro Dark: 00:23 - 01:25

Total Clouds (% Sky Obscured)

97
45
66
100
92
91
94
98
99
98
99
100
100
100
98
95
96
52
7
7
3
26
63
75

Low Clouds (% Sky Obscured)

43
2
2
1
0
0
0
0
0
0
0
100
100
100
95
40
18
11
7
3
3
20
31
9

Medium Clouds (% Sky Obscured)

6
1
1
0
0
0
0
0
0
0
0
0
0
1
4
7
8
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

95
43
65
100
92
91
94
98
99
98
99
84
89
99
63
91
95
45
0
3
0
7
49
72

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
100
100
100
73
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.03
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
17
15
13
12
11
11
10
9
9
9
9
10
12
14
16
17
18
20
20
21
21
20

Feels Like (°C)

19
18
17
15
13
12
11
11
10
9
9
9
9
10
12
14
16
17
18
20
20
21
21
20

Dew Point (°C)

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

Relative Humidity (%)

58
62
66
71
75
80
84
87
89
91
91
91
90
88
82
74
69
66
64
59
56
53
51
51

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1017
1017
1017
1016
1015
1015
1015
1014
1013
1012
1012

Ozone (du)

341
340
339
339
340
343
345
343
343
342
342
342
342
341
342
342
342
343
343
342
341
341
340
340

Sunday 22

Third Quarter 45%

02:51

12:55

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

Sun - Rise: 05:00, Set: 20:56, Transit: 12:59. Moon - Rise: 02:51, Set: 12:55. Civil Dark: 21:39 - 04:17. Nautical Dark: 22:39 - 03:16. Astro Dark: 00:32 - 01:10

Total Clouds (% Sky Obscured)

99
74
49
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

8
1
0
0
4
1
0
0
0
0
2
3
66
84
84
84
84
84
84
93
93
93
93
93

Medium Clouds (% Sky Obscured)

0
0
23
95
100
91
100
88
99
62
13
13
9
6
6
6
6
6
6
8
8
8
8
8

High Clouds (% Sky Obscured)

98
74
47
66
99
100
99
98
100
100
100
100
100
98
98
98
98
98
98
100
100
100
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
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 (%)

0
1
2
0
0
0
0
0
0
3
3
3
2
6
8
11
13
12
12
6
8
19
26
33

Precipitation Amount (mm)

0
0.02
0.02
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.04
0.05
0.07
0.09
0.07
0.07
0.02
0.04
0.1
0.15
0.23

Wind Speed/Direction (mph)

6
6
6
5
5
4
5
3
3
3
3
3
2
2
3
3
3
5
6
8
9
10
6
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
57
61
63
66
71
75
77
80
81
83
83
84
83
80
78
76
73
69
63
63
70
77
82

Pressure (mb)

1011
1011
1010
1010
1010
1010
1009
1009
1008
1007
1006
1006
1005
1005
1005
1005
1004
1004
1004
1003
1003
1002
1002
1002

Ozone (du)

340
340
341
342
344
344
346
344
342
340
338
339
341
340
339
339
339
339
340
341
341
340
342
345

Monday 23

Waning Crescent 34%

03:07

14:13

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 Good
10 Good
11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 04:58, Set: 20:58, Transit: 12:59. Moon - Rise: 03:07, Set: 14:13. Civil Dark: 21:41 - 04:15. Nautical Dark: 22:41 - 03:14. Astro Dark: 00:47 - N/A

Total Clouds (% Sky Obscured)

100
50
50
50
50
50
50
40
40
40
40
40
40
1
1
1
1
1
1
63
63
63
63
63

Low Clouds (% Sky Obscured)

93
6
6
6
6
6
6
14
14
14
14
14
14
0
0
0
0
0
0
56
56
56
56
56

Medium Clouds (% Sky Obscured)

8
48
48
48
48
48
48
33
33
33
33
33
33
0
0
0
0
0
0
29
29
29
29
29

High Clouds (% Sky Obscured)

100
0
0
0
0
0
0
4
4
4
4
4
4
1
1
1
1
1
1
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
9
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
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 (%)

36
40
38
22
17
15
25
33
40
43
39
26
14
12
10
14
11
15
19
9
6
7
9
9

Precipitation Amount (mm)

0.27
0.39
0.41
0.14
0.05
0.07
0.16
0.26
0.29
0.29
0.22
0.11
0.04
0.01
0.01
0.05
0.06
0.13
0.15
0.1
0.07
0.09
0.13
0.13

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
85
85
92
95
96
97
99
100
100
100
98
96
91
86
80
74
69
64
62
64
64
67

Pressure (mb)

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

Ozone (du)

349
365
374
383
386
390
393
390
389
386
385
383
374
375
376
377
379
380
378
380
381
382
384
385

Tuesday 24

Waning Crescent 24%

03:21

15:29

18 Bad
19 OK
20 Good
21 Good
22 OK
23 Good
00 Good
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

Sun - Rise: 04:57, Set: 20:59, Transit: 12:59. Moon - Rise: 03:21, Set: 15:29. Civil Dark: 21:42 - 04:14. Nautical Dark: 22:44 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

63
8
8
8
8
8
8
5
5
5
5
5
5
98
98
98
98
98
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

56
6
6
6
6
6
6
2
2
2
2
2
2
0
0
0
0
0
0
88
88
88
88
88

Medium Clouds (% Sky Obscured)

29
3
3
3
3
3
3
4
4
4
4
4
4
98
98
98
98
98
98
98
98
98
98
98

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
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
None
None
None
None

Precipitation Probability (%)

9
10
7
4
3
0
0
0
0
0
0
0
0
0
0
4
6
8
9
8
5
3
2
2

Precipitation Amount (mm)

0.14
0.16
0.09
0.03
0.01
0
0
0
0
0
0
0
0
0
0
0.02
0.04
0.1
0.22
0.3
0.21
0.1
0.07
0.05

Wind Speed/Direction (mph)

10
10
9
8
7
7
7
7
7
7
8
10
11
13
15
18
20
20
20
20
19
18
17
16

Chance of Frost

Temperature (°C)

15
15
14
12
11
10
10
9
9
9
9
9
10
11
12
14
15
15
16
17
18
18
18
18

Feels Like (°C)

15
15
14
12
11
10
8
7
7
7
7
7
7
11
12
14
15
15
16
17
18
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

69
76
82
86
89
90
90
89
90
92
92
91
90
86
83
80
77
77
77
77
72
66
62
61

Pressure (mb)

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

Ozone (du)

385
383
380
376
371
367
362
353
350
350
348
347
346
347
346
344
343
342
342
341
342
342
343
344

Wednesday 25

Waning Crescent 16%

03:34

16:42

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

Sun - Rise: 04:56, Set: 21:00, Transit: 12:59. Moon - Rise: 03:34, Set: 16:42. Civil Dark: 21:44 - 04:13. Nautical Dark: 22:46 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
64
64
64
64
64
64
0
0
0
0
0
0
17
17
17
17
17
17
98
98
98
98
98

Low Clouds (% Sky Obscured)

88
45
45
45
45
45
45
0
0
0
0
0
0
10
10
10
10
10
10
81
81
81
81
81

Medium Clouds (% Sky Obscured)

98
39
39
39
39
39
39
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
8
8
8
8
8
8
91
91
91
91
91

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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
13
12
11
9
9
8
8
7
6
6
6
5
6
7
9
11
12
13
14
14
13
13
13

Chance of Frost

Temperature (°C)

18
17
16
15
14
13
12
12
11
10
10
10
11
11
13
14
16
16
17
17
17
17
16
16

Feels Like (°C)

18
17
16
15
14
13
12
12
11
10
10
10
11
11
13
14
16
16
17
17
17
17
16
16

Dew Point (°C)

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

Relative Humidity (%)

61
63
66
71
75
79
82
85
88
91
92
92
91
89
84
77
71
67
66
66
66
68
69
70

Pressure (mb)

1013
1014
1015
1016
1017
1018
1018
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020

Ozone (du)

346
348
350
351
352
353
352
352
351
351
351
351
352
352
351
350
350
350
350
351
352
353
353
353

Thursday 26

Waning Crescent 9%

03:47

17:56

18 Bad
19 Bad
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

Sun - Rise: 04:55, Set: 21:01, Transit: 12:59. Moon - Rise: 03:47, Set: 17:56. Civil Dark: 21:45 - 04:11. Nautical Dark: 22:48 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
92
92
92
92
92
92
7
7
7
7
7
7
0
0
0
0
0
0
73
73
73
73
73

Low Clouds (% Sky Obscured)

81
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
73
73
73
73
73

Medium Clouds (% Sky Obscured)

0
3
3
3
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

91
91
91
91
91
91
91
7
7
7
7
7
7
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 (%)

2
2
1
0
0
0
0
1
1
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.01
0.01
0.01
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
17
15
14
14
13
12
12
11
11
10
10
11
12
13
14
15
16
17
17
18
19
19

Feels Like (°C)

17
17
17
15
14
14
13
12
12
11
11
10
10
11
12
13
14
15
16
17
17
18
19
19

Dew Point (°C)

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

Relative Humidity (%)

71
73
77
83
88
92
95
98
100
100
100
96
88
81
74
69
64
61
59
56
54
50
48
47

Pressure (mb)

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

Ozone (du)

352
352
353
354
355
356
357
357
359
360
361
361
360
359
358
357
356
355
353
352
351
350
349
347

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

Generated: 20/05/22 18:38:32. Forecast: 20/05/22 to 26/05/22. Timezone: UTC+1.00