Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 19

Waning Crescent 17%

06:03

13:16

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: 07:19, Set: 17:41, Transit: 12:31. Moon - Rise: 06:03, Set: 13:16. Civil Dark: 18:14 - 06:46. Nautical Dark: 18:52 - 06:08. Astro Dark: 19:30 - 05:30

Total Clouds (% Sky Obscured)

99
90
100
100
100
100
100
99
100
99
100
100
100
100
95
100
100
95
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

93
46
96
95
79
29
34
65
54
68
100
100
95
96
65
100
100
95
98
100
100
100
100
100

Medium Clouds (% Sky Obscured)

96
70
99
100
89
96
97
56
94
7
81
75
54
37
28
25
56
56
97
95
98
91
99
100

High Clouds (% Sky Obscured)

12
74
96
96
98
98
98
98
98
98
99
98
98
95
85
19
15
2
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
8
9
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

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

Precipitation Probability (%)

56
100
77
52
32
23
14
11
9
8
11
10
14
19
24
28
32
33
34
36
42
52
59
71

Precipitation Amount (mm)

0.36
0.48
0.59
0.45
0.31
0.2
0.11
0.07
0.06
0.05
0.05
0.06
0.1
0.17
0.28
0.44
0.59
0.64
0.63
0.6
0.55
0.51
0.55
0.81

Wind Speed/Direction (mph)

9
10
12
15
18
19
20
20
19
19
18
18
18
19
19
20
21
21
22
23
23
24
24
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
3
4
4
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

97
100
99
96
92
89
89
90
91
92
93
94
94
93
93
93
93
93
93
93
93
93
93
96

Pressure (mb)

1023
1023
1022
1022
1022
1021
1020
1019
1018
1018
1017
1017
1016
1016
1015
1014
1013
1012
1011
1010
1010
1009
1008
1007

Ozone (du)

318
316
316
316
316
315
315
314
312
310
309
310
311
312
312
312
312
313
314
314
311
308
306
307

Thursday 20

Waning Crescent 10%

06:43

14:14

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

Sun - Rise: 07:17, Set: 17:43, Transit: 12:31. Moon - Rise: 06:43, Set: 14:14. Civil Dark: 18:16 - 06:44. Nautical Dark: 18:54 - 06:06. Astro Dark: 19:32 - 05:28

Total Clouds (% Sky Obscured)

100
100
100
99
100
66
18
20
38
13
6
20
4
59
54
17
26
27
50
42
58
55
57
64

Low Clouds (% Sky Obscured)

100
100
98
33
16
21
14
15
35
7
3
9
4
29
21
17
23
13
49
42
57
49
51
30

Medium Clouds (% Sky Obscured)

100
100
100
99
100
60
14
16
21
10
5
6
1
0
0
4
11
11
2
6
22
19
14
3

High Clouds (% Sky Obscured)

0
0
0
0
100
49
0
0
0
0
0
12
0
41
45
0
0
12
0
0
0
10
12
50

ISS Passover

Visibility (miles)

8
7
7
9
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
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

Precipitation Probability (%)

78
82
85
80
61
32
26
19
13
8
7
5
3
2
3
4
4
4
3
3
3
3
3
3

Precipitation Amount (mm)

1.31
1.63
1.4
0.98
0.67
0.37
0.13
0.04
0.02
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.02
0.01
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

24
24
24
24
24
24
24
24
23
21
19
18
16
15
14
14
13
13
12
12
12
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
8
6
4
2
1
1
1
0
1
1
2
2
2
2
2
2
2
2
3
3
4
4

Relative Humidity (%)

98
99
98
95
91
84
76
72
71
72
74
76
77
78
79
80
80
80
80
80
82
85
87
89

Pressure (mb)

1007
1007
1008
1010
1012
1013
1015
1016
1018
1019
1020
1022
1023
1024
1025
1025
1026
1026
1027
1027
1027
1027
1027
1027

Ozone (du)

311
315
320
326
334
343
353
362
369
374
377
376
374
371
367
362
358
353
349
346
345
344
344
344

Friday 21

Waning Crescent 5%

07:14

15:18

08 Bad
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: 07:15, Set: 17:45, Transit: 12:31. Moon - Rise: 07:14, Set: 15:18. Civil Dark: 18:18 - 06:42. Nautical Dark: 18:56 - 06:04. Astro Dark: 19:33 - 05:26

Total Clouds (% Sky Obscured)

92
27
74
99
100
100
100
100
100
100
95
95
95
95
95
95
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

29
23
52
67
86
86
86
86
86
86
73
73
73
73
73
73
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

2
4
1
45
20
20
20
20
20
20
77
77
77
77
77
77
31
31
31
31
31
31
100
100

High Clouds (% Sky Obscured)

90
2
50
98
99
99
99
99
99
99
55
55
55
55
55
55
79
79
79
79
79
79
41
41

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
Very Light Rain
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

Precipitation Probability (%)

3
3
4
5
6
3
2
2
2
5
5
3
3
2
0
0
1
2
4
6
10
19
29
33

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0
0
0.01
0.03
0.08
0.14
0.2
0.3
0.36
0.34

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
86
84
81
78
76
76
78
82
85
88
88
87
87
86
85
86
87
88
90
92
94
97

Pressure (mb)

1027
1027
1028
1028
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1024
1024
1024
1023
1022
1022
1022
1022
1022
1023

Ozone (du)

344
345
347
350
350
347
342
337
334
332
330
327
324
322
320
319
317
316
314
312
312
311
311
312

Saturday 22

Waning Crescent 1%

07:40

16:25

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: 07:13, Set: 17:46, Transit: 12:31. Moon - Rise: 07:40, Set: 16:25. Civil Dark: 18:19 - 06:40. Nautical Dark: 18:57 - 06:02. Astro Dark: 19:35 - 05:24

Total Clouds (% Sky Obscured)

100
100
100
100
95
95
95
95
95
95
66
66
66
66
66
66
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
66
66
66
66
66
66
4
4
4
4
4
4
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
0
0
0
0
0
0
7
7
7
7
7
7
15
15
15
15
15
15
0
0

High Clouds (% Sky Obscured)

41
41
41
41
84
84
84
84
84
84
63
63
63
63
63
63
98
98
98
98
98
98
66
66

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
Very Light Rain
None
None
None
None
Very Light Rain
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

Precipitation Probability (%)

32
29
19
8
6
5
5
5
5
10
17
4
7
12
15
18
20
25
34
40
32
26
27
30

Precipitation Amount (mm)

0.3
0.27
0.18
0.09
0.05
0.04
0.02
0.03
0.1
0.3
0.52
0.02
0.05
0.07
0.08
0.07
0.08
0.1
0.19
0.25
0.21
0.16
0.19
0.21

Wind Speed/Direction (mph)

20
20
20
20
20
19
19
19
17
15
13
11
12
13
14
15
17
21
25
28
28
28
27
27

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
10
10
11
12
12
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

98
99
99
99
98
94
91
89
89
89
90
85
85
86
88
89
89
90
90
90
91
91
93
96

Pressure (mb)

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

Ozone (du)

314
315
315
314
314
315
317
319
323
328
332
335
338
341
344
347
349
349
350
349
349
348
347
347

Sunday 23

New Moon 0%

08:02

17:32

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: 07:11, Set: 17:48, Transit: 12:31. Moon - Rise: 08:02, Set: 17:32. Civil Dark: 18:21 - 06:38. Nautical Dark: 18:59 - 06:00. Astro Dark: 19:37 - 05:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
96
96
96
96
96
96
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
96
96
96
96
96
96
100
100
100
100
100
100
100
100

Medium 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

High Clouds (% Sky Obscured)

66
66
66
66
34
34
34
34
34
34
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
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

Precipitation Probability (%)

36
34
26
18
13
9
5
4
3
3
3
3
3
3
3
3
3
2
3
5
5
0
0
4

Precipitation Amount (mm)

0.22
0.22
0.17
0.13
0.1
0.07
0.04
0.02
0.02
0.04
0.08
0.1
0.12
0.13
0.12
0.1
0.08
0.06
0.05
0.03
0.02
0
0
0.02

Wind Speed/Direction (mph)

26
25
23
21
19
18
18
17
13
9
7
6
7
8
9
10
11
13
15
17
18
19
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
10
6
6
6
5
5
5
5
5
5
5
4
4
4
4
5
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

98
99
100
100
99
96
92
89
89
88
88
89
90
89
88
87
87
86
84
84
84
86
90
94

Pressure (mb)

1020
1020
1021
1022
1023
1023
1024
1025
1025
1026
1027
1027
1027
1027
1027
1027
1027
1026
1025
1024
1023
1022
1021
1021

Ozone (du)

348
348
348
347
347
347
348
349
351
353
355
355
354
354
354
354
354
353
351
350
349
348
348
350

Monday 24

Waxing Crescent 1%

08:02

18:39

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 OK
07 OK

Sun - Rise: 07:09, Set: 17:50, Transit: 12:30. Moon - Rise: 08:02, Set: 18:39. Civil Dark: 18:23 - 06:36. Nautical Dark: 19:01 - 05:58. Astro Dark: 19:38 - 05:20

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
21
21

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
20
20

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
29
29
29
29
29
29
100
100
100
100
100
100
5
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
97
97
97
97
97
97
99
99
99
99
99
99
0
0

ISS Passover

Visibility (miles)

7
4
6
9
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
Very Light Rain
Very Light Rain
Light Rain
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
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

12
18
22
24
23
22
28
27
15
8
5
5
12
34
49
50
49
47
52
53
43
13
7
14

Precipitation Amount (mm)

0.08
0.16
0.19
0.19
0.22
0.32
0.49
0.55
0.33
0.1
0.01
0.01
0.06
0.13
0.2
0.28
0.35
0.4
0.49
0.51
0.26
0.05
0.02
0.04

Wind Speed/Direction (mph)

20
20
21
22
23
23
23
23
22
20
19
18
18
17
16
15
14
14
14
14
14
14
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

97
100
100
99
94
91
88
89
90
92
91
91
91
90
89
88
87
85
84
82
80
77
78
80

Pressure (mb)

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

Ozone (du)

353
355
355
354
354
355
357
358
359
359
358
354
348
345
347
352
357
360
363
365
365
365
365
369

Tuesday 25

Waxing Crescent 4%

08:20

19:44

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: 07:07, Set: 17:51, Transit: 12:30. Moon - Rise: 08:20, Set: 19:44. Civil Dark: 18:24 - 06:34. Nautical Dark: 19:02 - 05:56. Astro Dark: 19:40 - 05:18

Total Clouds (% Sky Obscured)

21
21
21
21
81
81
81
81
81
81
90
90
90
90
90
90
77
77
77
77
77
77
54
54

Low Clouds (% Sky Obscured)

20
20
20
20
81
81
81
81
81
81
73
73
73
73
73
73
41
41
41
41
41
41
38
38

Medium Clouds (% Sky Obscured)

5
5
5
5
3
3
3
3
3
3
81
81
81
81
81
81
71
71
71
71
71
71
36
36

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

10
10
10
5
2
2
4
7
10
10
10
10
10
8
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
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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

35
54
52
46
45
42
42
44
36
28
28
25
20
17
16
12
13
20
43
53
58
63
67
65

Precipitation Amount (mm)

0.21
0.4
0.39
0.31
0.26
0.22
0.2
0.19
0.18
0.2
0.21
0.16
0.12
0.1
0.09
0.08
0.08
0.1
0.17
0.29
0.48
0.77
0.92
0.72

Wind Speed/Direction (mph)

15
16
19
22
25
26
27
28
27
25
24
23
22
22
20
19
18
18
18
18
19
20
20
19

Chance of Frost

Temperature (°C)

5
6
6
7
7
6
6
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
81
78
75
76
76
77
77
77
76
74
74
74
73
73
73
74
76
77
78
79
81
82

Pressure (mb)

1009
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1012
1012
1012
1013
1012
1012
1011
1010
1009
1008
1007
1006

Ozone (du)

373
378
381
384
388
393
399
404
410
416
419
417
413
407
399
389
381
374
368
363
359
355
352
350

Forecast for Upton Cross, Cornwall, UK (50.54,-4.43)

Generated: 19/02/20 08:45:01. Forecast: 19/02/20 to 25/02/20. Timezone: UTC+0.00