Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 19

Waning Crescent 17%

05:53

12:54

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:06, Set: 17:24, Transit: 12:16. Moon - Rise: 05:53, Set: 12:54. Civil Dark: 17:58 - 06:32. Nautical Dark: 18:37 - 05:53. Astro Dark: 19:16 - 05:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
98
100
100
100
99
100
98
98
81
84
100
98

Low Clouds (% Sky Obscured)

0
0
0
1
1
1
2
96
89
20
12
16
36
100
100
96
85
97
83
85
48
72
100
95

Medium Clouds (% Sky Obscured)

1
52
83
92
100
100
99
98
100
91
91
91
42
14
50
21
21
24
13
10
25
28
85
95

High Clouds (% Sky Obscured)

100
100
100
100
100
100
97
91
96
99
98
95
96
96
98
98
97
95
91
84
63
45
29
1

ISS Passover

Visibility (miles)

10
10
10
9
7
8
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
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
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

Precipitation Probability (%)

0
0
0
0
10
21
36
43
38
17
8
6
4
4
3
4
6
10
14
16
15
12
10
8

Precipitation Amount (mm)

0
0
0
0
0.01
0.05
0.18
0.27
0.2
0.09
0.03
0.01
0.01
0.01
0.02
0.03
0.05
0.08
0.11
0.13
0.12
0.08
0.06
0.04

Wind Speed/Direction (mph)

11
12
13
14
15
16
16
15
15
15
15
15
16
17
17
17
17
18
18
18
19
19
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-0
-0
0
0
1
1
2
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
5

Dew Point (°C)

-0
0
1
2
2
3
4
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
7

Relative Humidity (%)

78
77
79
82
84
87
90
91
88
85
84
86
88
88
88
86
85
85
87
87
87
86
87
89

Pressure (mb)

1021
1022
1022
1022
1021
1021
1020
1019
1018
1017
1016
1016
1016
1015
1015
1014
1013
1013
1012
1011
1010
1010
1009
1008

Ozone (du)

334
329
327
326
325
323
321
319
318
317
316
315
313
312
312
314
315
315
314
314
314
315
315
314

Thursday 20

Waning Crescent 10%

06:33

13:53

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

Sun - Rise: 07:04, Set: 17:26, Transit: 12:16. Moon - Rise: 06:33, Set: 13:53. Civil Dark: 18:00 - 06:30. Nautical Dark: 18:39 - 05:51. Astro Dark: 19:18 - 05:12

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
23
8
1
0
0
0
0
0
80
16
0
22
25
35
33
54

Low Clouds (% Sky Obscured)

98
100
100
100
81
88
1
16
21
5
1
0
0
0
0
0
0
0
0
1
2
0
0
0

Medium Clouds (% Sky Obscured)

88
84
98
100
100
100
100
100
8
6
0
0
0
0
0
0
0
0
0
0
0
0
0
7

High Clouds (% Sky Obscured)

0
0
16
9
0
0
95
100
0
0
0
0
0
0
0
0
80
16
0
22
23
34
32
52

ISS Passover

Visibility (miles)

10
10
10
7
4
2
1
2
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
12
55
75
80
78
56
42
32
21
13
7
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.02
0.04
0.19
0.6
0.95
0.82
0.54
0.36
0.22
0.1
0.04
0.01
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

21
22
23
25
26
25
23
21
20
18
17
16
16
15
15
15
15
14
14
14
14
13
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
5
5
5
5
4
2
0
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1

Dew Point (°C)

7
7
8
8
8
7
5
3
2
1
0
0
0
0
-0
-0
0
-0
-0
-0
0
0
1
2

Relative Humidity (%)

90
91
92
93
94
92
89
86
84
81
80
80
80
80
81
82
83
83
83
83
84
85
87
88

Pressure (mb)

1008
1007
1006
1006
1006
1006
1008
1009
1011
1014
1016
1017
1018
1019
1020
1021
1022
1023
1023
1024
1024
1024
1025
1025

Ozone (du)

312
312
312
313
318
330
344
358
368
378
385
392
397
398
393
383
374
366
360
354
351
348
346
345

Friday 21

Waning Crescent 5%

07:04

14:58

08 OK
09 OK
10 Bad
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

Sun - Rise: 07:02, Set: 17:28, Transit: 12:16. Moon - Rise: 07:04, Set: 14:58. Civil Dark: 18:02 - 06:28. Nautical Dark: 18:41 - 05:49. Astro Dark: 19:19 - 05:11

Total Clouds (% Sky Obscured)

16
23
77
100
100
100
100
100
100
100
95
95
95
95
95
95
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
4
45
32
32
32
32
32
32
52
52
52
52
52
52
100
100
100
100
100
100
98
98

Medium Clouds (% Sky Obscured)

2
1
4
37
56
56
56
56
56
56
2
2
2
2
2
2
23
23
23
23
23
23
100
100

High Clouds (% Sky Obscured)

13
22
76
100
100
100
100
100
100
100
91
91
91
91
91
91
23
23
23
23
23
23
2
2

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
3
3
2
0
0
0
0
0
1
2
4
6
9
14
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0
0
0
0
0
0.01
0.02
0.04
0.07
0.13
0.16
0.13

Wind Speed/Direction (mph)

16
17
18
20
21
21
21
21
21
20
20
21
22
23
23
24
24
24
24
24
24
23
23
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
0
2
3
4
6
6
6
5
4
4
4
4
4
4
4
4
5
5
6
6
10
10

Dew Point (°C)

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

Relative Humidity (%)

88
87
85
82
79
75
72
70
71
71
73
75
76
76
75
74
74
74
76
77
79
82
84
86

Pressure (mb)

1025
1025
1025
1025
1025
1024
1023
1023
1022
1022
1022
1022
1021
1021
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018

Ozone (du)

345
344
342
340
339
341
344
346
348
348
347
343
337
333
331
329
328
325
322
319
318
316
316
317

Saturday 22

Waning Crescent 1%

07:28

16:05

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:00, Set: 17:29, Transit: 12:16. Moon - Rise: 07:28, Set: 16:05. Civil Dark: 18:03 - 06:26. Nautical Dark: 18:42 - 05:47. Astro Dark: 19:21 - 05:09

Total Clouds (% Sky Obscured)

100
100
100
100
56
56
56
56
56
56
87
87
87
87
87
87
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

98
98
98
98
43
43
43
43
43
43
1
1
1
1
1
1
8
8
8
8
8
8
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
1
1
1
1
1
1
5
5
5
5
5
5
0
0
0
0
0
0
35
35

High Clouds (% Sky Obscured)

2
2
2
2
23
23
23
23
23
23
87
87
87
87
87
87
100
100
100
100
100
100
62
62

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
7
5
4
5

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

Precipitation Probability (%)

8
7
8
7
6
4
3
1
0
3
3
4
0
0
0
0
0
8
19
38
57
68
73
72

Precipitation Amount (mm)

0.09
0.08
0.09
0.11
0.1
0.06
0.02
0.01
0
0.01
0.01
0.01
0
0
0
0
0
0.02
0.08
0.21
0.5
0.97
1.28
1.1

Wind Speed/Direction (mph)

22
21
21
20
20
21
21
21
21
20
19
18
17
16
16
17
17
19
20
21
21
21
22
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
83
81
79
76
73
71
71
73
73
74
73
73
73
73
72
73
76
81
85
88
90
93
93

Pressure (mb)

1019
1019
1020
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1021
1021
1020
1019
1018
1016
1015
1015
1014
1014

Ozone (du)

318
319
320
320
321
323
325
328
329
330
332
336
340
343
344
344
344
343
342
340
340
339
340
341

Sunday 23

New Moon 0%

07:49

17:13

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:58, Set: 17:31, Transit: 12:16. Moon - Rise: 07:49, Set: 17:13. Civil Dark: 18:05 - 06:24. Nautical Dark: 18:44 - 05:45. Astro Dark: 19:23 - 05:07

Total Clouds (% Sky Obscured)

100
100
100
100
96
96
96
96
96
96
99
99
99
99
99
99
66
66
66
66
66
66
66
66

Low Clouds (% Sky Obscured)

100
100
100
100
72
72
72
72
72
72
94
94
94
94
94
94
66
66
66
66
66
66
66
66

Medium Clouds (% Sky Obscured)

35
35
35
35
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

62
62
62
62
88
88
88
88
88
88
83
83
83
83
83
83
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
9
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
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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

69
60
48
34
18
8
8
6
6
5
4
3
0
0
0
2
2
2
2
3
3
3
3
0

Precipitation Amount (mm)

0.76
0.55
0.42
0.3
0.21
0.14
0.08
0.05
0.04
0.03
0.03
0.01
0
0
0
0.01
0.02
0.02
0.02
0.02
0.01
0.01
0.01
0

Wind Speed/Direction (mph)

25
26
25
23
21
21
21
20
17
12
9
8
7
7
7
7
7
8
8
9
10
12
14
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
11
11
10
10
6
5
4
4
3
3
3
3
3
2
3
3
3
3
3
3
3

Dew Point (°C)

10
10
10
9
8
7
6
5
4
3
2
2
2
2
1
1
1
2
3
4
4
4
4
4

Relative Humidity (%)

91
90
88
86
83
79
75
72
72
72
73
74
75
75
75
75
76
78
82
85
84
83
83
82

Pressure (mb)

1014
1014
1015
1016
1017
1018
1019
1020
1021
1023
1024
1025
1026
1026
1027
1027
1027
1026
1025
1024
1023
1022
1021
1020

Ozone (du)

343
346
348
351
355
359
364
367
367
366
364
362
359
358
358
358
358
357
355
353
351
349
348
347

Monday 24

Waxing Crescent 1%

08:07

18:21

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:56, Set: 17:33, Transit: 12:15. Moon - Rise: 08:07, Set: 18:21. Civil Dark: 18:07 - 06:22. Nautical Dark: 18:46 - 05:43. Astro Dark: 19:24 - 05:04

Total Clouds (% Sky Obscured)

66
66
66
66
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

66
66
66
66
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
3
3
3
3
3
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
95
95
95
95
95
95
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
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
None

Precipitation Probability (%)

0
0
3
4
4
4
4
4
3
1
0
0
0
0
6
16
23
24
23
15
10
7
2
0

Precipitation Amount (mm)

0
0
0.01
0.03
0.04
0.04
0.03
0.02
0.01
0.01
0
0
0
0
0.02
0.09
0.16
0.17
0.14
0.11
0.06
0.02
0.01
0

Wind Speed/Direction (mph)

18
20
21
21
22
22
23
23
23
23
23
23
22
22
21
20
19
18
16
15
14
14
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
4
5
6
11
12
12
12
12
11
10
6
5
5
5
5
4
4
3
2
2
1
1

Dew Point (°C)

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

Relative Humidity (%)

80
79
80
81
82
81
80
78
77
76
75
76
77
77
77
77
76
76
75
75
75
76
77
76

Pressure (mb)

1019
1018
1017
1017
1016
1014
1013
1012
1011
1011
1010
1010
1009
1009
1009
1008
1008
1007
1007
1006
1006
1006
1005
1005

Ozone (du)

347
346
345
345
345
346
347
349
351
353
353
350
345
342
343
347
351
353
356
358
358
357
357
361

Tuesday 25

Waxing Crescent 4%

08:07

19:28

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

Sun - Rise: 06:54, Set: 17:35, Transit: 12:15. Moon - Rise: 08:07, Set: 19:28. Civil Dark: 18:09 - 06:20. Nautical Dark: 18:47 - 05:41. Astro Dark: 19:26 - 05:02

Total Clouds (% Sky Obscured)

100
100
100
100
20
20
20
20
20
20
71
71
71
71
71
71
46
46
46
46
46
46
8
8

Low Clouds (% Sky Obscured)

100
100
100
100
19
19
19
19
19
19
0
0
0
0
0
0
41
41
41
41
41
41
7
7

Medium Clouds (% Sky Obscured)

100
100
100
100
11
11
11
11
11
11
71
71
71
71
71
71
28
28
28
28
28
28
1
1

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

10
10
10
10
10
10
6
4
6
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
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
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
9
13
16
23
27
27
21
12
8
6
0
0
0
0
0
0
4
0
0
8
14

Precipitation Amount (mm)

0
0
0
0.01
0.03
0.06
0.09
0.12
0.13
0.12
0.09
0.04
0.01
0
0
0
0
0
0
0.01
0
0
0.01
0.08

Wind Speed/Direction (mph)

17
18
19
20
21
22
23
24
23
21
20
20
20
21
21
20
20
19
19
18
17
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
0
1
2
3
3
3
2
1
-1
-2
-2
-2
-3
-3
-2
-2
-3
-3
-3
-3
-3
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

74
73
70
65
62
62
64
66
68
69
68
66
66
65
64
62
62
62
63
64
67
71
74
76

Pressure (mb)

1005
1005
1005
1005
1005
1004
1004
1003
1003
1004
1004
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1005
1005
1005

Ozone (du)

367
372
377
382
387
393
399
405
410
415
419
421
421
420
417
412
407
403
400
397
398
399
399
395

Forecast for Great Missenden, Buckinghamshire HP16, UK (51.70,-0.70)

Generated: 19/02/20 08:38:33. Forecast: 19/02/20 to 25/02/20. Timezone: UTC+0.00