Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 23

Waxing Crescent 23%

09:43

22:28

00 Good
01 OK
02 Good
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: 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)

14
36
13
71
100
100
97
99
99
100
64
74
69
67
55
65
62
60
72
100
100
100
100
100

Low Clouds (% Sky Obscured)

50
44
35
40
49
88
92
93
99
91
64
61
61
54
55
65
62
60
71
64
75
80
81
87

Medium Clouds (% Sky Obscured)

0
75
48
75
100
100
87
86
91
82
25
50
14
23
0
0
0
1
15
100
87
78
59
61

High Clouds (% Sky Obscured)

49
100
65
81
84
100
55
67
65
65
64
2
0
0
0
0
0
2
55
41
64
88
73
100

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
3
1
6
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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
100
92
19
61
50
33
27
21
7
1
1
2
2
18
4
10
27
46

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.9
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
8
9
12
14
17
14
15
16
16
18
18
18
18
19
19
20
20
20
21
21
21
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
97
92
91
91
91
94
94
90
87
85
82
82
81
82
79
82
81
82
82
81
82

Pressure (mb)

985
985
985
984
983
982
981
982
982
981
982
982
983
983
983
983
983
983
984
984
985
985
986
986

Ozone (du)

378
376
376
377
377
378
377
380
379
381
387
389
392
393
394
398
401
398
396
397
396
400
402
402

Saturday 24

Waxing Crescent 34%

09:54

23:50

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: 07:55, Set: 16:42, Transit: 12:19. Moon - Rise: 09:54, Set: 23:50. Civil Dark: 17:19 - 07:18. Nautical Dark: 18:00 - 06:37. Astro Dark: 18:40 - 05:58

Total Clouds (% Sky Obscured)

92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
100
98
79
89
100
82
100
100
100
100
100
97
100
92
90
83
92
92
86
98
99
93
89

Medium Clouds (% Sky Obscured)

83
79
77
85
72
82
99
98
99
85
42
64
62
52
70
64
67
57
96
89
100
99
100
99

High Clouds (% Sky Obscured)

80
92
100
93
91
94
92
86
70
66
63
100
74
19
80
86
77
100
100
100
44
4
10
56

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

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

Precipitation Probability (%)

49
26
14
13
9
8
10
13
15
14
8
5
11
24
25
45
39
47
58
57
61
85
81
64

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0.7
0.5
0.3

Wind Speed/Direction (mph)

21
20
19
18
18
17
17
17
17
18
17
18
18
19
19
18
20
19
19
20
19
19
18
16

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
6
6
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
85
88
88
88
91
91
91
90
88
86
84
84
82
82
85
88
91
88
86
85
87
87

Pressure (mb)

987
987
988
988
989
989
989
990
991
991
992
992
991
991
991
991
991
991
991
991
990
990
990
990

Ozone (du)

402
403
406
408
410
411
410
409
409
409
411
412
413
414
415
414
413
412
412
409
411
414
418
422

Sunday 25

Waxing Crescent 45%

10:08

No Set

00 Bad
01 Bad
02 Bad
03 Bad
04 Good
05 Good
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: 07:54, Set: 16:44, Transit: 12:19. Moon - Rise: 10:08, Set: No Set. Civil Dark: 17:21 - 07:17. Nautical Dark: 18:02 - 06:36. Astro Dark: 18:41 - 05:57

Total Clouds (% Sky Obscured)

100
100
92
44
0
8
87
100
99
100
98
100
100
98
100
100
99
100
100
98
92
87
96
90

Low Clouds (% Sky Obscured)

80
71
75
44
0
8
45
83
70
86
92
83
84
86
100
94
95
92
93
94
86
87
96
90

Medium Clouds (% Sky Obscured)

98
81
31
0
0
8
72
79
99
100
98
100
100
98
97
98
99
99
99
52
10
4
4
0

High Clouds (% Sky Obscured)

97
100
42
0
0
8
56
92
67
66
64
100
100
61
100
79
18
3
3
1
1
1
0
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
8
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
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

54
35
29
5
3
4
2
9
15
35
28
42
47
47
64
57
53
49
32
18
4
3
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
13
13
12
10
9
7
8
9
10
11
12
13
13
13
12
11
10
10
9
8
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

990
990
990
990
990
989
989
989
990
990
990
990
990
990
991
991
992
992
993
994
995
995
996
996

Ozone (du)

421
421
425
430
435
435
435
432
430
433
436
437
439
439
439
438
439
440
440
441
443
445
447
446

Monday 26

First Quarter 57%

10:25

01:16

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: 07:53, Set: 16:46, Transit: 12:19. Moon - Rise: 10:25, Set: 01:16. Civil Dark: 17:23 - 07:16. Nautical Dark: 18:03 - 06:35. Astro Dark: 18:43 - 05:56

Total Clouds (% Sky Obscured)

90
91
92
95
98
100
99
95
94
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

90
91
92
95
97
100
98
95
94
89
82
76
75
75
77
82
86
90
82
74
63
57
54
47

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
17
32
94
100
100
100
100
100
99
100
65
100
100
100
100

High Clouds (% Sky Obscured)

1
0
0
0
0
0
1
2
3
41
70
98
99
99
100
68
37
15
15
15
20
26
22
19

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
4
9
4
3
6
3
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

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

Precipitation Probability (%)

2
2
1
1
1
0
0
0
0
0
1
1
7
13
32
75
95
95
95
95
77
76
95
34

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.9
1.2
0.8
0.6
0.3
0.3
0.9
0

Wind Speed/Direction (mph)

6
6
5
4
5
4
5
6
7
8
10
11
13
14
15
16
17
18
21
18
15
15
14
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
93
93
93
93
91
93
94
94
93
88
85
86
91
91
91
93
91
90
93
93
94
93

Pressure (mb)

997
997
997
998
997
997
997
997
997
997
997
996
995
994
993
992
991
990
989
988
988
987
986
987

Ozone (du)

447
448
444
446
444
440
443
450
458
454
436
419
408
403
399
392
382
379
378
377
374
375
377
380

Tuesday 27

Waxing Gibbous 68%

10:48

02:45

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: 07:51, Set: 16:48, Transit: 12:19. Moon - Rise: 10:48, Set: 02:45. Civil Dark: 17:24 - 07:15. Nautical Dark: 18:05 - 06:34. Astro Dark: 18:44 - 05:55

Total Clouds (% Sky Obscured)

89
77
61
52
46
40
40
42
57
68
84
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

50
48
52
45
44
40
40
41
44
47
50
48
50
49
47
54
61
67
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

84
77
3
2
2
0
0
0
31
40
54
63
74
88
100
100
100
100
81
62
43
34
29
25

High Clouds (% Sky Obscured)

13
2
0
0
0
2
1
1
30
53
75
100
100
100
100
100
100
100
100
100
100
97
94
91

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
4
0
0
0
1
1
4
7

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

18
2
1
1
0
0
0
0
0
0
0
4
29
41
62
91
95
95
95
92
62
49
38
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
1.6
1.8
1.3
0.7
0
0
0
0

Wind Speed/Direction (mph)

11
8
8
6
5
6
4
3
3
4
4
7
9
11
12
13
14
13
13
15
14
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
93
85
89
91
93
93
89
88
86
85
86
85
88
86
86
89
96
96
98
96
96
93
91

Pressure (mb)

987
987
988
988
988
989
988
989
989
988
988
987
986
985
985
984
984
983
983
980
980
980
981
981

Ozone (du)

380
386
392
397
390
383
377
376
375
375
376
380
379
381
383
387
389
395
405
415
426
436
439
442

Wednesday 28

Waxing Gibbous 79%

11:23

04:13

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: 07:50, Set: 16:49, Transit: 12:20. Moon - Rise: 11:23, Set: 04:13. Civil Dark: 17:26 - 07:13. Nautical Dark: 18:06 - 06:33. Astro Dark: 18:46 - 05:54

Total Clouds (% Sky Obscured)

90
80
70
48
26
4
3
1
0
8
16
28
40
57
67
75
80
83
90
94
94
87
73
63

Low Clouds (% Sky Obscured)

88
76
66
47
24
4
3
1
0
8
16
28
40
57
67
75
73
74
78
81
83
70
63
56

Medium Clouds (% Sky Obscured)

39
43
45
31
15
2
3
1
0
8
16
13
10
6
3
5
6
6
5
4
4
19
34
49

High Clouds (% Sky Obscured)

69
48
30
24
17
1
3
1
0
3
1
0
0
0
0
0
0
0
5
10
14
26
28
35

ISS Passover

Visibility (miles)

9
8
7
6
4
2
0
0
1
1
1
1
1
4
6
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 (%)

27
30
33
35
38
41
38
33
31
32
32
28
29
27
20
22
23
21
18
16
11
9
5
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)

13
12
11
11
10
10
9
9
8
8
8
9
10
10
9
9
7
5
5
4
5
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-3
-3
-3
-3
-3
-3
-3
-2
-2
-1
1
1
0
0
1
0
1
1
1
2
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

89
91
94
96
96
98
98
98
98
98
98
98
98
96
94
94
93
94
93
94
94
94
93
94

Pressure (mb)

982
982
983
984
984
985
985
986
987
988
989
989
990
990
991
991
991
991
992
992
992
992
991
991

Ozone (du)

444
445
446
448
455
463
471
478
485
493
502
511
520
494
469
444
419
394
369
361
353
345
342
338

Thursday 29

Waxing Gibbous 88%

12:14

05:34

Sun - Rise: 07:48, Set: 16:51, Transit: 12:20. Moon - Rise: 12:14, Set: 05:34. Civil Dark: 17:28 - 07:12. Nautical Dark: 18:08 - 06:32. Astro Dark: 18:47 - 05:52

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: 23/01/26 07:02:58. Forecast: 23/01/26 to 29/01/26. Timezone: UTC+0.00