Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 19

Waxing Crescent 39%

11:04

23:50

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: 08:01, Set: 16:34, Transit: 12:18. Moon - Rise: 11:04, Set: 23:50. Civil Dark: 17:12 - 07:22. Nautical Dark: 17:53 - 06:41. Astro Dark: 18:33 - 06:01

Total Clouds (% Sky Obscured)

99
100
96
100
99
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

98
100
95
97
83
23
55
66
100
100
100
100
100
100
100
100
100
100
98
100
100
97
100
100

Medium Clouds (% Sky Obscured)

11
14
57
52
70
84
46
100
92
48
89
56
40
62
98
70
59
100
99
98
98
94
98
98

High Clouds (% Sky Obscured)

83
66
4
98
98
86
98
98
97
95
95
86
92
81
78
98
99
98
88
93
100
97
99
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
8
7
10
10
10
7
10
10
5
5
10
10
7
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
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

100
99
25
25
45
55
61
62
60
59
67
66
67
71
70
66
62
62
77
74
70
71
67
59

Precipitation Amount (mm)

0.16
0.38
0.03
0.03
0.13
0.2
0.28
0.33
0.35
0.33
0.47
0.36
0.41
0.61
0.59
0.43
0.28
0.32
1.41
0.95
0.5
0.55
0.45
0.33

Wind Speed/Direction (mph)

20
19
19
21
21
22
23
23
24
25
25
24
24
24
24
23
24
23
22
21
21
22
22
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
92
93
93
94
95
96
95
95
96
97
97
98
98
98
97
96
96
95
94
93
92
91
90

Pressure (mb)

1006
1006
1006
1005
1003
1001
1000
999
998
997
996
996
995
994
994
993
993
992
992
992
991
990
990
989

Ozone (du)

278
282
286
292
299
300
299
300
300
301
298
298
299
299
299
299
300
299
298
299
298
300
297
298

Wednesday 20

First Quarter 49%

11:18

00:58

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 OK
04 Bad
05 Bad
06 Bad
07 OK

Sun - Rise: 07:59, Set: 16:36, Transit: 12:18. Moon - Rise: 11:18, Set: 00:58. Civil Dark: 17:13 - 07:21. Nautical Dark: 17:55 - 06:40. Astro Dark: 18:35 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
93
100
38
7
2
20
25
6
13

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
66
98
96
95
100
98
87
100
100
33
99
30
7
2
20
25
6
13

Medium Clouds (% Sky Obscured)

100
100
99
75
84
97
100
100
100
98
89
72
100
100
99
91
88
31
2
2
1
0
0
0

High Clouds (% Sky Obscured)

100
100
99
97
100
96
98
100
84
81
13
97
63
7
0
31
16
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
8
8
10
10
10
10
10
10
10
10
10
10
10
8
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
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

59
60
59
54
59
55
56
61
55
44
46
64
63
69
76
60
59
41
53
26
15
23
28
10

Precipitation Amount (mm)

0.29
0.58
0.59
0.4
0.32
0.15
0.17
0.32
0.21
0.17
0.34
0.55
0.71
1.42
1.78
0.44
0.24
0.06
0.42
0.17
0.08
0.1
0.08
0.02

Wind Speed/Direction (mph)

23
23
24
24
25
24
23
23
22
22
24
27
28
29
25
24
23
22
23
21
20
19
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
5
4
4
4
4
5
5
5
5
5
5
4
3
1
-1
-1
-2
-2
-1
-1
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

90
91
93
94
94
95
96
96
96
97
97
98
99
99
98
96
94
93
91
88
87
87
88
87

Pressure (mb)

989
988
988
987
986
985
985
983
983
982
981
979
978
977
977
978
980
981
983
984
985
986
985
985

Ozone (du)

299
300
302
304
301
303
306
309
310
313
316
321
327
327
329
332
337
341
342
342
340
338
345
344

Thursday 21

Waxing Gibbous 59%

11:34

02:06

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 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good

Sun - Rise: 07:58, Set: 16:38, Transit: 12:18. Moon - Rise: 11:34, Set: 02:06. Civil Dark: 17:15 - 07:20. Nautical Dark: 17:56 - 06:39. Astro Dark: 18:36 - 05:59

Total Clouds (% Sky Obscured)

37
31
87
97
100
100
100
100
100
100
98
98
98
98
98
98
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

31
14
5
20
20
45
22
21
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

13
23
15
81
100
100
100
100
100
100
97
97
97
97
97
97
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
85
95
98
85
94
86
77
77
91
91
91
91
91
91
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
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 (%)

12
13
13
12
18
17
13
13
13
16
11
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.02
0.03
0.03
0.02
0.05
0.05
0.02
0.02
0.02
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

20
21
21
22
21
20
18
16
13
10
9
9
9
9
10
10
9
9
10
10
10
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
88
84
83
82
83
84
88
93
95
97
97
97
96
94
93
92
90
90
89
88
87
87

Pressure (mb)

985
986
986
986
986
985
985
985
985
985
985
986
986
987
987
988
988
989
989
990
990
991
992
992

Ozone (du)

340
336
334
331
336
337
338
338
339
339
339
340
342
342
342
344
345
347
347
348
349
349
351
349

Friday 22

Waxing Gibbous 68%

11:52

03:15

08 Good
09 Good
10 Good
11 Good
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: 07:56, Set: 16:39, Transit: 12:18. Moon - Rise: 11:52, Set: 03:15. Civil Dark: 17:17 - 07:19. Nautical Dark: 17:58 - 06:38. Astro Dark: 18:37 - 05:59

Total Clouds (% Sky Obscured)

0
0
0
0
47
47
47
47
47
47
96
96
96
96
96
96
98
98
98
98
98
98
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
16
16
16
16
16
16
15
15
15
15
15
15
88
88
88
88
88
88
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
45
45
45
45
45
45
85
85
85
85
85
85
82
82
82
82
82
82
79
79

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
89
89
89
89
89
89
43
43
43
43
43
43
59
59

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
9
9
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
7
13
16
17
12
11
27
24
18
14
5
0
0
3
6
13
23
23

Precipitation Amount (mm)

0
0
0
0
0
0
0.01
0.06
0.06
0.05
0.03
0.03
0.14
0.08
0.05
0.05
0.03
0
0
0.01
0.08
0.23
0.33
0.19

Wind Speed/Direction (mph)

7
7
8
10
11
11
11
10
9
8
7
7
7
6
5
6
6
6
5
5
5
5
5
4

Chance of Frost

Temperature (°C)

1
2
3
4
5
6
5
5
4
4
3
3
3
2
2
2
1
1
1
1
1
1
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
86
80
77
78
80
83
88
91
94
96
97
97
96
95
94
93
92
91
90
89
89
88

Pressure (mb)

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

Ozone (du)

348
349
348
351
353
353
355
355
356
359
357
358
360
361
361
361
364
366
368
369
371
373
370
371

Saturday 23

Waxing Gibbous 77%

12:13

04:23

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

Sun - Rise: 07:55, Set: 16:41, Transit: 12:19. Moon - Rise: 12:13, Set: 04:23. Civil Dark: 17:18 - 07:18. Nautical Dark: 17:59 - 06:37. Astro Dark: 18:39 - 05:58

Total Clouds (% Sky Obscured)

100
100
100
100
34
34
34
34
34
34
0
0
0
0
0
0
55
55
55
55
55
55
95
95

Low Clouds (% Sky Obscured)

100
100
100
100
34
34
34
34
34
34
0
0
0
0
0
0
0
0
0
0
0
0
1
1

Medium Clouds (% Sky Obscured)

79
79
79
79
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
95
95

High Clouds (% Sky Obscured)

59
59
59
59
0
0
0
0
0
0
0
0
0
0
0
0
55
55
55
55
55
55
29
29

ISS Passover

Visibility (miles)

10
10
8
9
3
4
7
8
8
7
6
7
7
9
10
10
10
10
10
10
10
3
0
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
None
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

12
0
13
17
37
36
35
34
31
29
30
32
36
35
30
22
26
19
9
5
14
34
58
57

Precipitation Amount (mm)

0.03
0
0.03
0.04
0.08
0.1
0.24
0.41
0.45
0.41
0.36
0.34
0.31
0.32
0.3
0.27
0.36
0.18
0.04
0.02
0.12
0.52
0.96
0.96

Wind Speed/Direction (mph)

3
3
4
5
11
11
11
10
10
10
9
8
7
7
6
5
5
6
8
11
12
14
15
15

Chance of Frost

Temperature (°C)

1
2
2
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
92
93
94
94
94
94
95
96
99
100
100
99
99
99
99
97
96
94
93
93
92
92

Pressure (mb)

995
995
995
994
994
993
992
991
991
990
989
988
988
988
988
989
985
986
986
986
987
988
989
990

Ozone (du)

373
373
374
373
377
375
373
371
368
365
368
369
368
369
371
371
375
378
381
384
387
390
393
394

Sunday 24

Waxing Gibbous 85%

12:41

05:30

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

Sun - Rise: 07:54, Set: 16:43, Transit: 12:19. Moon - Rise: 12:41, Set: 05:30. Civil Dark: 17:20 - 07:17. Nautical Dark: 18:01 - 06:36. Astro Dark: 18:40 - 05:57

Total Clouds (% Sky Obscured)

95
95
95
95
13
13
13
13
13
13
31
31
31
31
31
31
23
23
23
23
23
23
8
8

Low Clouds (% Sky Obscured)

1
1
1
1
13
13
13
13
13
13
23
23
23
23
23
23
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

95
95
95
95
1
1
1
1
1
1
16
16
16
16
16
16
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

29
29
29
29
0
0
0
0
0
0
0
0
0
0
0
0
23
23
23
23
23
23
8
8

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

Light Rain
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 (%)

49
39
31
15
11
11
0
0
0
0
0
0
0
2
0
0
0
0
1
2
3
0
0
0

Precipitation Amount (mm)

0.73
0.5
0.28
0.1
0.02
0.01
0
0
0
0
0
0
0
0.01
0
0
0
0
0.01
0.02
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
0
1
1
1
1
1
1
1
1
0
0
-0
-0
-0
0
0
1
1
1
1
1
1
1

Relative Humidity (%)

91
91
92
90
86
84
84
86
88
91
92
92
92
91
92
93
94
93
92
91
90
90
89
89

Pressure (mb)

991
992
993
994
994
995
996
997
997
998
999
999
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1001
1002

Ozone (du)

396
397
399
402
404
405
406
406
405
404
402
399
396
394
392
391
390
391
392
393
393
393
393
393

Monday 25

Waxing Gibbous 91%

13:17

06:32

08 OK
09 OK
10 OK
11 Good
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: 07:52, Set: 16:44, Transit: 12:19. Moon - Rise: 13:17, Set: 06:32. Civil Dark: 17:21 - 07:16. Nautical Dark: 18:02 - 06:35. Astro Dark: 18:42 - 05:56

Total Clouds (% Sky Obscured)

8
8
8
8
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
91

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
13
13
13
13
13
13
100
100
100
100
100
100
56
56

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
93
93
93
93
93
93
96
96
96
96
96
96
0
0

High Clouds (% Sky Obscured)

8
8
8
8
100
100
100
100
100
100
100
100
100
100
100
100
0
0
0
0
0
0
81
81

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
5
0
0
0
0
0
0
0
0
0
0
0
0
0
14
31
52
68
77
84
85
85
78

Precipitation Amount (mm)

0
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.04
0.12
0.28
0.45
0.59
0.68
0.64
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
0
1
2
2
2
2
3
3
3
2
2
2
3
3
3
4
4
4
5
5
5
5
6

Relative Humidity (%)

89
89
88
84
83
82
84
87
92
94
96
96
96
96
97
98
98
99
98
98
98
97
97
96

Pressure (mb)

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

Ozone (du)

394
393
388
382
377
375
373
371
365
358
352
347
342
337
333
329
327
326
327
329
329
330
331
334

Forecast for Swindon, Wiltshire, UK (51.56,-1.78)

Generated: 19/01/21 08:15:45. Forecast: 19/01/21 to 25/01/21. Timezone: UTC+0.00