Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 17

Waning Crescent 2%

07:50

14:39

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
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

Sun - Rise: 08:03, Set: 16:31, Transit: 12:17. Moon - Rise: 07:50, Set: 14:39. Civil Dark: 17:09 - 07:25. Nautical Dark: 17:50 - 06:43. Astro Dark: 18:30 - 06:04

Total Clouds (% Sky Obscured)

75
80
85
88
79
67
76
84
73
41
38
55
97
93
97
100
99
100
95
98
97
92
95
97

Low Clouds (% Sky Obscured)

60
74
69
79
78
67
64
69
66
41
38
55
70
68
48
55
65
77
67
75
77
79
85
95

Medium Clouds (% Sky Obscured)

64
80
85
78
4
4
16
39
8
1
1
1
0
54
11
82
78
98
84
92
79
77
83
91

High Clouds (% Sky Obscured)

29
80
22
16
28
3
4
3
9
4
0
52
40
82
96
100
98
72
75
5
7
68
6
7

ISS Passover

Visibility (miles)

9
9
9
1
0
2
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 (%)

16
10
8
9
8
6
3
4
3
4
0
0
0
0
0
0
0
0
0
0
0
1
6
15

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
6
6
6
6
6
6
6
6
6
5
5
5
4
4
4
4
4
4
4
4

Relative Humidity (%)

96
98
98
98
98
96
93
91
91
88
85
87
93
94
94
96
94
96
94
94
94
96
98
96

Pressure (mb)

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

Ozone (du)

400
404
409
413
418
420
420
421
422
422
421
418
414
411
408
407
407
408
407
405
404
406
405
403

Sunday 18

New Moon 0%

08:23

15:53

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:02, Set: 16:32, Transit: 12:17. Moon - Rise: 08:23, Set: 15:53. Civil Dark: 17:10 - 07:24. Nautical Dark: 17:52 - 06:43. Astro Dark: 18:31 - 06:03

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
98
95
95
93
95
97
90
86
94
96
87
72
65
62
82
87
86
96

Low Clouds (% Sky Obscured)

89
100
100
100
100
100
90
76
74
82
53
58
49
39
30
43
65
37
5
30
62
73
72
76

Medium Clouds (% Sky Obscured)

43
96
77
88
59
48
83
53
54
49
66
60
48
46
76
96
84
64
37
31
54
66
71
83

High Clouds (% Sky Obscured)

38
82
10
50
68
50
49
3
4
0
1
1
10
0
0
0
0
0
0
0
0
0
1
2

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
9
18
6
15
22
27
38
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 (%)

27
21
24
34
25
13
7
10
20
18
5
9
10
5
6
18
16
4
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
98
98
98
98
94
94
94
93
91
91
91
93
93
93
96
96
94
94
93
90
88
88

Pressure (mb)

1019
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014

Ozone (du)

401
400
400
402
405
412
413
409
403
403
410
413
411
405
404
405
404
400
396
393
393
393
394
393

Monday 19

Waxing Crescent 1%

08:47

17:11

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:01, Set: 16:34, Transit: 12:17. Moon - Rise: 08:47, Set: 17:11. Civil Dark: 17:12 - 07:23. Nautical Dark: 17:53 - 06:42. Astro Dark: 18:33 - 06:02

Total Clouds (% Sky Obscured)

100
100
93
94
95
95
93
92
99
95
97
87
89
95
95
96
97
91
94
94
95
97
98
94

Low Clouds (% Sky Obscured)

76
72
78
80
88
89
86
83
99
91
92
78
74
79
75
78
81
85
91
90
89
88
86
84

Medium Clouds (% Sky Obscured)

46
41
80
89
95
92
93
92
59
60
89
26
58
73
55
19
25
17
13
11
17
18
15
14

High Clouds (% Sky Obscured)

1
8
11
14
15
14
15
15
15
14
14
0
2
2
2
1
1
2
0
1
20
38
56
58

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
2
1
2
0
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
4
3
6
42
26
36
12
9
35
30
6
1
8
3
12
28
37
28
35
26
21
8
6

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
91
91
93
93
93
90
90
95
95
95
96
96
96
98
98
98
98
98
96
94
94

Pressure (mb)

1014
1014
1014
1014
1014
1014
1015
1015
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

393
392
391
388
386
385
383
386
387
387
386
384
383
383
383
386
388
387
387
385
386
386
384
380

Tuesday 20

Waxing Crescent 3%

09:05

18:31

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:00, Set: 16:35, Transit: 12:18. Moon - Rise: 09:05, Set: 18:31. Civil Dark: 17:13 - 07:22. Nautical Dark: 17:55 - 06:41. Astro Dark: 18:34 - 06:01

Total Clouds (% Sky Obscured)

91
86
92
95
100
88
97
100
99
98
98
67
99
100
100
99
99
99
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

81
77
74
72
72
70
69
68
72
77
83
65
53
54
36
31
31
35
32
27
33
37
43
50

Medium Clouds (% Sky Obscured)

11
5
15
24
32
44
84
100
98
38
35
51
53
65
99
99
98
83
77
93
62
38
33
28

High Clouds (% Sky Obscured)

51
48
59
75
91
88
91
91
65
34
4
34
70
100
80
60
43
65
81
100
97
100
100
100

ISS Passover

Visibility (miles)

1
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

20
7
8
18
3
4
6
9
28
37
49
54
60
67
64
54
32
33
27
3
6
6
4
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
90
93
94
94
90
88
88
88
87
82
84
87
87
85
84
84
85
87
86
88
88
86
86

Pressure (mb)

1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1012
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1007
1006
1006

Ozone (du)

377
377
375
372
367
364
357
346
335
342
342
338
331
327
326
330
331
326
325
328
335
339
344
349

Wednesday 21

Waxing Crescent 8%

09:19

19:50

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:59, Set: 16:37, Transit: 12:18. Moon - Rise: 09:19, Set: 19:50. Civil Dark: 17:15 - 07:21. Nautical Dark: 17:56 - 06:40. Astro Dark: 18:36 - 06:01

Total Clouds (% Sky Obscured)

100
100
91
83
74
75
78
82
76
70
64
42
25
5
78
63
52
53
70
89
93
96
100
94

Low Clouds (% Sky Obscured)

61
70
67
68
69
75
77
82
75
69
63
42
21
0
43
37
32
51
70
89
93
96
100
94

Medium Clouds (% Sky Obscured)

77
65
23
13
18
30
8
35
30
30
27
17
25
5
78
63
52
53
70
58
57
59
65
66

High Clouds (% Sky Obscured)

100
100
72
43
25
21
14
11
5
35
6
5
14
5
41
25
15
8
9
10
10
10
14
24

ISS Passover

Visibility (miles)

9
9
9
9
9
5
9
9
7
6
7
9
9
4
5
6
7
8
8
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
Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

10
0
3
12
37
48
43
39
61
51
41
45
68
73
85
86
88
77
66
54
47
42
39
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0
0
0
0.3
0.4
0.5
0.6
0.6
0.5
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

16
16
16
16
16
17
18
18
18
17
16
16
16
15
15
12
12
10
11
11
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
86
86
86
88
91
91
90
91
91
91
91
93
93
93
94
93
94
94
96
96
96
96

Pressure (mb)

1005
1004
1003
1003
1003
1003
1002
1002
1001
1001
1000
1000
999
999
999
1000
1001
1001
1001
1001
1001
1002
1002
1002

Ozone (du)

349
353
356
360
365
367
370
371
369
367
365
363
359
355
357
355
354
353
353
353
353
352
351
350

Thursday 22

Waxing Crescent 15%

09:31

21:09

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:58, Set: 16:39, Transit: 12:18. Moon - Rise: 09:31, Set: 21:09. Civil Dark: 17:16 - 07:20. Nautical Dark: 17:57 - 06:39. Astro Dark: 18:37 - 06:00

Total Clouds (% Sky Obscured)

88
82
80
78
76
79
81
85
88
92
95
93
92
90
89
89
82
83
86
96
96
96
96
97

Low Clouds (% Sky Obscured)

88
82
80
78
76
79
81
85
88
92
95
93
91
89
84
77
67
68
77
88
87
86
85
89

Medium Clouds (% Sky Obscured)

63
70
75
78
76
79
81
85
80
75
60
75
75
80
83
86
82
83
86
92
81
73
64
53

High Clouds (% Sky Obscured)

49
50
35
20
10
10
5
0
0
0
0
0
0
9
22
15
4
25
41
59
54
51
53
44

ISS Passover

Visibility (miles)

7
4
2
2
2
2
4
7
9
7
5
3
2
1
0
0
0
0
1
3
4
3
2
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
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

Precipitation Probability (%)

49
54
54
55
54
52
53
53
47
45
45
41
39
32
41
44
40
40
44
50
44
38
32
36

Precipitation Amount (mm)

0
0.2
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
96
96
98
96
96
96
96
98
98
98
96
96
98
98
96
98
98
98
96
98
96

Pressure (mb)

1002
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003
1003
1003
1002
1002

Ozone (du)

351
352
353
352
351
350
352
355
357
360
362
364
368
371
374
375
376
377
376
375
374
374
374
374

Friday 23

Waxing Crescent 23%

09:43

22:28

Sun - Rise: 07:57, Set: 16:41, Transit: 12:19. Moon - Rise: 09:43, Set: 22:28. Civil Dark: 17:18 - 07:19. Nautical Dark: 17:59 - 06:38. Astro Dark: 18:38 - 05:59

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 17/01/26 04:42:07. Forecast: 17/01/26 to 23/01/26. Timezone: UTC+0.00