Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waning Gibbous 68%

01:55

10:00

18 Bad
19 Bad
20 Bad
21 OK
22 Good
23 OK
00 Good
01 OK
02 Bad
03 OK
04 OK
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: 04:55, Set: 20:46, Transit: 12:51. Moon - Rise: 01:55, Set: 10:00. Civil Dark: 21:28 - 04:13. Nautical Dark: 22:26 - 03:13. Astro Dark: 00:04 - 01:31

Total Clouds (% Sky Obscured)

77
6
15
25
8
12
1
16
51
22
24
96
100
100
100
100
100
97
84
100
100
100
99
100

Low Clouds (% Sky Obscured)

76
0
2
19
4
11
1
0
0
0
0
0
0
0
1
2
9
33
31
64
31
0
2
8

Medium Clouds (% Sky Obscured)

6
6
14
10
4
1
0
0
0
0
0
2
31
87
91
1
15
6
23
80
20
0
13
17

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
16
51
22
24
96
100
100
100
100
100
95
68
99
100
100
99
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

46
51
31
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.21
0.26
0.06
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
20
21
21
20
20
19
17
16
15
14
12
12
11
11
11
11
11
11
11
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
84
86
87
88
88
90
89
86
85
84
84
83
81
78
76
74
71
70
70
71
71
71

Pressure (mb)

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

Ozone (du)

382
374
375
379
378
374
369
356
353
350
347
345
342
344
344
342
341
340
339
337
336
336
336
338

Saturday 21

Waning Gibbous 56%

02:23

11:25

18 Bad
19 Bad
20 Bad
21 Bad
22 OK
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 OK
13 Good
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 04:54, Set: 20:47, Transit: 12:51. Moon - Rise: 02:23, Set: 11:25. Civil Dark: 21:29 - 04:11. Nautical Dark: 22:28 - 03:11. Astro Dark: 00:11 - 01:23

Total Clouds (% Sky Obscured)

100
87
97
88
40
79
62
91
96
100
100
100
98
100
97
93
100
91
47
19
55
98
77
96

Low Clouds (% Sky Obscured)

8
1
0
1
0
1
0
0
0
0
0
0
22
0
0
1
9
4
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

9
13
4
0
0
0
0
0
0
0
0
0
0
0
4
0
3
0
0
0
1
0
0
0

High Clouds (% Sky Obscured)

100
84
97
88
40
79
62
91
96
100
100
100
98
100
97
93
100
91
46
19
55
98
77
96

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
23
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
75
78
80
82
83
86
87
88
88
88
88
86
83
79
77
75
73
71
69
67
66
65
65

Pressure (mb)

1021
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1017
1017
1016
1016
1015
1015
1016
1015
1014
1013
1012

Ozone (du)

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

Sunday 22

Third Quarter 45%

02:43

12:47

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: 04:53, Set: 20:48, Transit: 12:51. Moon - Rise: 02:43, Set: 12:47. Civil Dark: 21:31 - 04:10. Nautical Dark: 22:31 - 03:09. Astro Dark: 00:19 - 01:12

Total Clouds (% Sky Obscured)

74
100
65
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
93
93
93
93

Low Clouds (% Sky Obscured)

0
0
0
0
2
0
0
0
0
1
0
0
2
6
6
6
6
6
6
45
45
45
45
45

Medium Clouds (% Sky Obscured)

0
0
1
38
100
19
16
73
100
52
100
100
100
74
74
74
74
74
74
45
45
45
45
45

High Clouds (% Sky Obscured)

74
100
64
90
98
99
100
100
100
100
99
100
97
100
100
100
100
100
100
78
78
78
78
78

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

Precipitation Probability (%)

0
2
10
18
15
12
10
5
5
8
6
6
8
12
14
24
25
39
49
54
46
32
32
24

Precipitation Amount (mm)

0
0.02
0.2
0.24
0.17
0.17
0.1
0.04
0.01
0.05
0.04
0.02
0.02
0.04
0.06
0.11
0.11
0.21
0.47
0.65
0.42
0.18
0.17
0.13

Wind Speed/Direction (mph)

6
6
7
7
7
7
6
6
6
6
6
7
7
7
7
7
6
5
5
5
7
9
13
16

Chance of Frost

Temperature (°C)

17
16
15
15
15
14
14
14
13
13
13
13
13
13
14
14
14
15
15
16
16
16
16
15

Feels Like (°C)

17
16
15
15
15
14
14
14
13
13
13
13
13
13
14
14
14
15
15
16
16
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

67
71
75
78
81
84
86
87
88
88
87
87
87
86
86
87
87
87
87
87
88
89
87
82

Pressure (mb)

1012
1011
1011
1011
1010
1010
1009
1009
1008
1007
1006
1006
1005
1005
1005
1005
1004
1004
1004
1004
1003
1003
1002
1002

Ozone (du)

342
343
344
344
345
346
348
341
340
340
341
339
340
342
343
344
343
343
341
340
340
340
340
340

Monday 23

Waning Crescent 34%

03:00

14:05

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

Sun - Rise: 04:51, Set: 20:50, Transit: 12:51. Moon - Rise: 03:00, Set: 14:05. Civil Dark: 21:32 - 04:08. Nautical Dark: 22:33 - 03:07. Astro Dark: 00:30 - N/A

Total Clouds (% Sky Obscured)

93
88
88
88
88
88
88
100
100
100
100
100
100
12
12
12
12
12
12
85
85
85
85
85

Low Clouds (% Sky Obscured)

45
87
87
87
87
87
87
0
0
0
0
0
0
11
11
11
11
11
11
84
84
84
84
84

Medium Clouds (% Sky Obscured)

45
20
20
20
20
20
20
100
100
100
100
100
100
4
4
4
4
4
4
20
20
20
20
20

High Clouds (% Sky Obscured)

78
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
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 (%)

19
9
7
4
0
6
8
14
19
28
37
38
40
41
34
18
16
16
17
13
17
19
15
16

Precipitation Amount (mm)

0.14
0.03
0.02
0.01
0
0.01
0.03
0.08
0.13
0.23
0.34
0.38
0.34
0.3
0.19
0.09
0.09
0.08
0.1
0.07
0.13
0.16
0.15
0.17

Wind Speed/Direction (mph)

17
20
20
18
17
18
18
18
18
18
18
18
19
19
19
19
19
18
18
18
17
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
83
85
87
89
92
96
97
97
97
96
95
92
88
83
81
78
77
76
75
73
72
74

Pressure (mb)

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

Ozone (du)

341
353
357
360
366
375
384
387
389
390
387
386
382
377
376
377
379
379
380
379
379
379
379
379

Tuesday 24

Waning Crescent 24%

03:14

15:21

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 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 04:50, Set: 20:51, Transit: 12:51. Moon - Rise: 03:14, Set: 15:21. Civil Dark: 21:34 - 04:07. Nautical Dark: 22:35 - 03:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
27
27
27
27
27
27
9
9
9
9
9
9
100
100
100
100
100
100
89
89
89
89
89

Low Clouds (% Sky Obscured)

84
13
13
13
13
13
13
9
9
9
9
9
9
1
1
1
1
1
1
40
40
40
40
40

Medium Clouds (% Sky Obscured)

20
20
20
20
20
20
20
4
4
4
4
4
4
100
100
100
100
100
100
85
85
85
85
85

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

Precipitation Probability (%)

14
9
4
2
3
0
3
4
4
4
4
3
3
3
3
3
4
5
7
6
6
5
5
4

Precipitation Amount (mm)

0.16
0.14
0.02
0.01
0.01
0
0.01
0.02
0.02
0.02
0.02
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.04
0.05
0.05
0.04

Wind Speed/Direction (mph)

15
15
14
14
14
13
13
12
12
13
14
15
16
17
20
23
26
27
28
29
29
28
27
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
79
83
87
90
94
96
97
97
96
95
94
92
89
85
83
82
81
82
84
84
84
82
80

Pressure (mb)

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

Ozone (du)

380
384
386
385
380
375
371
360
356
353
352
350
348
349
348
348
348
347
346
345
344
343
343
344

Wednesday 25

Waning Crescent 16%

03:27

16:34

18 Bad
19 OK
20 OK
21 OK
22 OK
23 OK
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: 04:49, Set: 20:52, Transit: 12:51. Moon - Rise: 03:27, Set: 16:34. Civil Dark: 21:35 - 04:06. Nautical Dark: 22:37 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

89
39
39
39
39
39
39
0
0
0
0
0
0
4
4
4
4
4
4
92
92
92
92
92

Low Clouds (% Sky Obscured)

40
9
9
9
9
9
9
0
0
0
0
0
0
0
0
0
0
0
0
6
6
6
6
6

Medium Clouds (% Sky Obscured)

85
38
38
38
38
38
38
0
0
0
0
0
0
0
0
0
0
0
0
63
63
63
63
63

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
4
4
4
4
81
81
81
81
81

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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

22
19
17
15
13
12
12
12
11
10
9
8
7
7
8
9
11
13
15
17
18
18
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
76
78
80
83
86
88
89
90
91
91
90
90
89
86
83
80
77
76
75
77
79
81
81

Pressure (mb)

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

Ozone (du)

346
348
348
349
349
350
352
352
352
352
351
351
352
352
352
352
352
352
351
351
351
352
352
353

Thursday 26

Waning Crescent 9%

03:40

17:47

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 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 OK
14 OK
15 OK
16 OK
17 OK

Sun - Rise: 04:48, Set: 20:53, Transit: 12:51. Moon - Rise: 03:40, Set: 17:47. Civil Dark: 21:37 - 04:05. Nautical Dark: 22:39 - 03:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
63
63
63
63
63
63
73
73
73
73
73
73
2
2
2
2
2
2
37
37
37
37
37

Low Clouds (% Sky Obscured)

6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
37
37
37
37
37

Medium Clouds (% Sky Obscured)

63
47
47
47
47
47
47
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1

High Clouds (% Sky Obscured)

81
31
31
31
31
31
31
73
73
73
73
73
73
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
1
1
0
0
0
0
0
0
2
3
2
1
1
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
15
15
14
14
13
13
13
12
12
12
12
12
13
14
14
15
15
15
16
16
17
17

Feels Like (°C)

16
16
15
15
14
14
13
13
13
12
12
12
12
12
13
14
14
15
15
15
16
16
17
17

Dew Point (°C)

12
12
12
12
13
13
13
13
13
12
12
12
12
11
11
11
11
11
11
12
12
12
12
13

Relative Humidity (%)

79
80
82
86
91
95
99
100
100
100
100
100
97
94
91
87
83
81
79
78
77
75
75
76

Pressure (mb)

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

Ozone (du)

353
354
354
354
354
354
355
356
358
360
362
363
363
363
361
359
357
356
355
354
353
352
352
351

Forecast for Dover, Kent, UK (51.13,1.31)

Generated: 20/05/22 18:06:47. Forecast: 20/05/22 to 26/05/22. Timezone: UTC+1.00