Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 2

Waxing Gibbous 100%

14:33

07:53

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

Sun - Rise: 08:12, Set: 16:10, Transit: 12:11. Moon - Rise: 14:33, Set: 07:53. Civil Dark: 16:49 - 07:32. Nautical Dark: 17:32 - 06:50. Astro Dark: 18:13 - 06:09

Total Clouds (% Sky Obscured)

1
30
86
98
14
63
98
98
96
50
1
0
1
25
14
0
0
0
0
1
0
5
11
14

Low Clouds (% Sky Obscured)

18
12
18
40
70
84
65
84
62
45
39
9
25
22
11
0
0
0
2
6
6
5
11
14

Medium Clouds (% Sky Obscured)

25
24
48
65
60
67
49
97
12
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
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)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
9
9
9
9
12
9
8
8
8
9
9
12
14
15
13
10
7
9
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
92
89
89
91
93
96
100
95
87
85
78
69
68
64
63
65
71
76
79
80
84
87
91

Pressure (mb)

1009
1008
1008
1007
1007
1006
1006
1006
1007
1007
1008
1008
1009
1009
1009
1009
1010
1009
1010
1010
1010
1010
1010
1010

Ozone (du)

348
343
334
327
332
333
329
332
318
305
302
304
306
305
297
293
296
297
295
292
295
301
305
306

Saturday 3

Full Moon 100%

15:54

08:49

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

Sun - Rise: 08:12, Set: 16:11, Transit: 12:11. Moon - Rise: 15:54, Set: 08:49. Civil Dark: 16:50 - 07:32. Nautical Dark: 17:33 - 06:49. Astro Dark: 18:14 - 06:09

Total Clouds (% Sky Obscured)

21
51
32
22
0
13
22
10
5
5
0
0
12
11
13
0
0
0
1
0
0
13
0
0

Low Clouds (% Sky Obscured)

21
47
32
22
0
13
22
10
5
5
0
0
12
11
13
0
0
0
0
0
0
13
0
0

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)

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)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
2
5
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
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-3
-5
-6
-6
-5
-5
-5
-5
-6
-5
-5
-4
-4
-3
-3
-4
-4
-3
-4
-5
-5
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

89
92
89
84
77
72
72
77
80
75
65
59
59
58
58
59
65
75
78
75
77
77
75
77

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1015
1015
1015

Ozone (du)

317
336
345
345
348
349
350
353
354
352
347
344
344
348
349
343
342
342
344
349
349
349
343
342

Sunday 4

Waning Gibbous 99%

17:24

09:27

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

Sun - Rise: 08:12, Set: 16:12, Transit: 12:12. Moon - Rise: 17:24, Set: 09:27. Civil Dark: 16:52 - 07:32. Nautical Dark: 17:34 - 06:49. Astro Dark: 18:15 - 06:09

Total Clouds (% Sky Obscured)

0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
14
62
26
42
29
0
0
0
13

Low Clouds (% Sky Obscured)

0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
5
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
47
16
22
16
0
0
0
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
3
1
5
0
0
0
13

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
35
24

Precipitation Amount (mm)

0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
71
71
72
72
71
71
69
69
68
57
49
47
48
54
57
66
70
70
74
83
92
92
87

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1016
1015
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

338
333
331
332
336
339
342
344
347
348
352
353
350
353
355
357
364
364
367
375
374
377
380
390

Monday 5

Waning Gibbous 96%

18:54

09:52

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

Sun - Rise: 08:11, Set: 16:13, Transit: 12:12. Moon - Rise: 18:54, Set: 09:52. Civil Dark: 16:53 - 07:32. Nautical Dark: 17:35 - 06:49. Astro Dark: 18:16 - 06:09

Total Clouds (% Sky Obscured)

12
18
88
100
100
100
98
98
98
54
13
8
6
4
2
5
37
29
21
10
2
2
2
2

Low Clouds (% Sky Obscured)

0
0
0
25
42
43
52
34
38
5
4
2
2
2
2
5
33
27
19
10
2
2
1
1

Medium Clouds (% Sky Obscured)

12
18
72
100
66
96
31
19
28
25
5
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

12
13
1
4
8
1
1
38
48
24
1
1
1
1
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
1
0
0
0
0
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
Sleet
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

32
21
64
95
41
26
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.6
1.9
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
98
100
100
100
98
98
98
98
96
91
84
83
81
84
89
92
91
91
92
92
92
92
92

Pressure (mb)

1014
1014
1014
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1014
1015
1015
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

388
384
390
397
396
389
393
404
406
408
407
405
401
395
389
386
383
383
385
385
388
393
391
390

Tuesday 6

Waning Gibbous 90%

20:19

10:10

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

Sun - Rise: 08:11, Set: 16:14, Transit: 12:13. Moon - Rise: 20:19, Set: 10:10. Civil Dark: 16:54 - 07:32. Nautical Dark: 17:36 - 06:49. Astro Dark: 18:17 - 06:08

Total Clouds (% Sky Obscured)

2
2
3
7
7
7
27
30
42
27
11
14
33
54
82
91
95
95
91
89
85
88
88
88

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
11
8
1
2
3
2
1
1
1
1
1
6
7
8
0
1

Medium Clouds (% Sky Obscured)

0
0
0
5
3
3
27
3
3
5
7
12
30
44
65
70
70
70
51
31
29
38
58
60

High Clouds (% Sky Obscured)

0
0
1
0
0
1
4
2
3
1
1
1
13
25
35
46
62
80
78
71
68
43
20
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
5
5
9
9

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 (%)

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

Wind Speed/Direction (mph)

3
3
3
3
3
3
3
2
2
2
2
3
3
3
3
4
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
89
89
89
90
90
90
90
89
91
87
87
89
91
94
96
96
96
96
96
94
94
94

Pressure (mb)

1018
1017
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

389
389
389
391
394
393
393
391
390
389
394
396
394
389
389
392
393
394
393
395
397
393
396
395

Wednesday 7

Waning Gibbous 83%

21:39

10:24

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 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 Bad
23 Bad

Sun - Rise: 08:10, Set: 16:16, Transit: 12:13. Moon - Rise: 21:39, Set: 10:24. Civil Dark: 16:55 - 07:31. Nautical Dark: 17:38 - 06:49. Astro Dark: 18:18 - 06:08

Total Clouds (% Sky Obscured)

87
87
86
95
94
94
92
91
89
95
93
94
83
67
51
39
27
14
18
19
24
38
48
53

Low Clouds (% Sky Obscured)

4
7
10
25
41
54
68
79
89
75
60
45
47
49
49
39
27
14
12
9
6
4
2
0

Medium Clouds (% Sky Obscured)

72
71
65
69
63
63
61
50
44
50
52
57
29
11
0
0
0
0
18
19
24
38
48
53

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
4
24
43
63
45
30
22
34
27
14
18
19
24
29
19
19

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
2
2
31
44
52
56
57
51
40
28
7
7
1
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.1
0.2
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-4
-4
-3
-3
-3
-4
-4
-5
-4
-4
-4
-4
-4

Relative Humidity (%)

94
92
94
94
92
92
92
91
91
90
87
84
81
84
87
91
91
91
91
91
91
91
91
91

Pressure (mb)

1015
1015
1015
1015
1015
1014
1014
1014
1014
1015
1015
1015
1014
1014
1014
1015
1015
1015
1015
1015
1015
1016
1015
1015

Ozone (du)

399
398
398
396
398
401
398
392
386
383
378
374
374
374
375
375
363
350
338
333
329
325
328
332

Thursday 8

Waning Gibbous 74%

22:55

10:35

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:10, Set: 16:17, Transit: 12:14. Moon - Rise: 22:55, Set: 10:35. Civil Dark: 16:56 - 07:31. Nautical Dark: 17:39 - 06:48. Astro Dark: 18:19 - 06:08

Total Clouds (% Sky Obscured)

69
84
100
100
100
100
100
99
99
98
97
97
97
99
99
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
2
3
8
9
13
39
69
99
98
97
97
97
99
98
99
99
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

69
84
94
92
90
88
70
55
42
44
50
51
48
48
51
44
40
36
27
24
21
45
71
94

High Clouds (% Sky Obscured)

13
8
7
6
5
3
17
32
44
33
22
10
15
20
25
51
75
99
99
98
98
98
99
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
0
0
0
0
0
0
0
0

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
1
2
10
18
23
46
63
77
74
71
65
57
49
38
37
35
32
37
41
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
0.6
0.5
0.3
0.2
0.1
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-7
-7
-7
-7
-7
-7
-8
-7
-8
-9
-9
-4
-4
-5
-4
-4
-4
-3
-3
-3
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

91
91
92
92
92
94
94
92
92
92
91
91
91
92
96
98
100
100
98
100
100
100
98
98

Pressure (mb)

1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012
1011
1010
1009
1009
1008
1008
1007
1006
1005
1004
1003
1001

Ozone (du)

336
338
340
342
341
340
338
340
342
343
342
340
339
337
335
334
331
329
327
326
326
325
324
322

Forecast for Swindon, Swindon, United Kingdom (51.56,-1.78)

Generated: 02/01/26 21:36:20. Forecast: 02/01/26 to 08/01/26. Timezone: UTC+0.00