Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 65%

00:17

10:23

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: 16:36, Transit: 12:18. Moon - Rise: 00:17, Set: 10:23. Civil Dark: 17:14 - 07:22. Nautical Dark: 17:55 - 06:41. Astro Dark: 18:35 - 06:01

Total Clouds (% Sky Obscured)

96
93
89
89
98
94
94
100
100
95
100
100
64
77
75
60
49
48
61
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
80
84
89
85
79
81
87
84
51
41
41
60
77
75
60
49
48
61
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
3
3
27
33
37
26
72
7
30
1
5
1
1
1
1
0
0
0
0
0
49
35

High Clouds (% Sky Obscured)

82
66
45
89
95
84
87
100
100
91
100
100
36
3
10
3
9
4
8
71
75
76
54
78

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
1
10
18
19
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 (%)

3
1
0
0
0
0
12
17
17
15
3
2
1
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)

2
2
1
1
2
3
3
4
5
6
7
6
5
4
4
4
4
4
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
88
88
93
94
94
93
94
94
93
93
93
94
94
93
91
91
91
93
93
92
92
93

Pressure (mb)

1018
1018
1018
1018
1018
1019
1019
1019
1019
1018
1018
1017
1017
1017
1018
1018
1018
1018
1017
1017
1017
1017
1017
1016

Ozone (du)

294
309
315
322
326
325
326
332
339
345
345
343
345
351
358
359
360
356
351
348
348
342
340
339

Tuesday 21

Third Quarter 56%

01:29

10:33

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: 16:38, Transit: 12:18. Moon - Rise: 01:29, Set: 10:33. Civil Dark: 17:15 - 07:21. Nautical Dark: 17:56 - 06:40. Astro Dark: 18:36 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
93
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
97
100
99
84
67
66
83
76
79
78
100
100
93
81
85
94
99
92

Medium Clouds (% Sky Obscured)

49
83
70
71
87
95
40
40
40
0
80
86
100
100
100
100
94
97
100
100
98
96
95
92

High Clouds (% Sky Obscured)

96
100
100
95
100
100
100
100
61
66
86
100
100
100
100
100
13
10
8
16
80
96
99
100

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
8

Fog (%)

0
0
3
37
73
100
100
50
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
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
19
41
50
62
67
73

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
91
89
86
85
83
80
83
86
91
93
94
94
94
96
96
96
98
98
98
98

Pressure (mb)

1016
1016
1016
1015
1015
1015
1015
1015
1014
1014
1013
1012
1012
1012
1011
1011
1011
1010
1010
1009
1008
1008
1007
1007

Ozone (du)

342
342
343
342
341
343
339
332
332
336
339
341
337
337
339
337
339
341
345
335
318
311
309
307

Wednesday 22

Waning Crescent 46%

02:43

10:46

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: 07:57, Set: 16:39, Transit: 12:18. Moon - Rise: 02:43, Set: 10:46. Civil Dark: 17:17 - 07:20. Nautical Dark: 17:58 - 06:39. Astro Dark: 18:37 - 05:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
64
85
65
55
56
40
42
57

Low Clouds (% Sky Obscured)

95
96
97
96
100
100
100
95
93
100
100
100
99
95
48
51
44
53
65
55
56
37
42
35

Medium Clouds (% Sky Obscured)

100
90
69
88
80
97
87
97
100
100
100
100
100
100
98
28
30
30
0
0
0
0
0
4

High Clouds (% Sky Obscured)

100
81
100
100
97
50
35
100
98
100
100
100
100
100
100
91
64
29
0
0
0
0
0
10

ISS Passover

Visibility (miles)

5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

48
36
28
0
48
36
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1

Precipitation Type

Light Rain
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

Precipitation Probability (%)

67
21
34
34
32
43
31
10
18
6
8
3
2
1
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
96
98
98
96
98
98
96
94
96
96
94
93
91
86
84
91
91
91

Pressure (mb)

1006
1006
1005
1005
1005
1005
1005
1005
1005
1004
1003
1003
1003
1004
1004
1004
1004
1004
1005
1005
1006
1006
1006
1006

Ozone (du)

309
308
309
312
318
326
329
326
326
325
325
320
315
313
315
321
319
307
297
292
290
295
301
303

Thursday 23

Waning Crescent 37%

03:58

11:02

04 Bad
05 Bad
06 OK
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: 07:56, Set: 16:41, Transit: 12:19. Moon - Rise: 03:58, Set: 11:02. Civil Dark: 17:18 - 07:19. Nautical Dark: 17:59 - 06:38. Astro Dark: 18:39 - 05:58

Total Clouds (% Sky Obscured)

64
55
41
85
100
100
100
100
99
98
97
94
48
100
97
91
88
90
94
98
99
99
100
100

Low Clouds (% Sky Obscured)

31
25
37
47
56
56
53
51
60
70
80
78
48
50
49
48
49
48
42
39
57
73
98
93

Medium Clouds (% Sky Obscured)

4
7
18
33
100
100
100
100
97
60
35
48
48
63
51
36
62
63
80
91
95
98
100
100

High Clouds (% Sky Obscured)

10
15
30
70
100
72
43
18
13
2
0
29
48
93
73
51
36
57
71
88
92
96
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
4
2
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
1
45
85
95
52
45
46
30
18
9
6
1
4
2
0
15
32
65
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.7
1.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7

Wind Speed/Direction (mph)

5
6
6
6
9
9
11
14
16
16
18
19
17
16
15
14
13
11
10
9
8
9
12
16

Chance of Frost

Temperature (°C)

1
1
1
1
2
3
4
5
6
6
7
7
7
6
6
6
5
5
4
4
5
5
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
96
96
93
94
89
90
93
94
90
85
87
85
88
88
86
91
94
93
89
89
86
93

Pressure (mb)

1006
1006
1007
1007
1007
1007
1007
1006
1005
1004
1004
1005
1005
1006
1007
1007
1008
1008
1008
1008
1008
1007
1005
1003

Ozone (du)

307
317
320
319
324
332
337
343
362
376
383
381
381
374
373
367
367
362
361
360
359
359
359
353

Friday 24

Waning Crescent 27%

03:58

11:25

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: 07:55, Set: 16:43, Transit: 12:19. Moon - Rise: 03:58, Set: 11:25. Civil Dark: 17:20 - 07:18. Nautical Dark: 18:01 - 06:37. Astro Dark: 18:40 - 05:58

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

88
83
89
95
100
100
99
99
82
66
49
49
49
49
94
94
93
96
98
100
97
94
86
84

Medium Clouds (% Sky Obscured)

100
100
95
90
86
86
89
91
61
67
55
87
91
92
95
90
85
81
79
77
62
49
32
29

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
86
76
75
89
84
76
81
100
96
92
88
90
92
90
56

ISS Passover

Visibility (miles)

2
3
2
2
2
2
2
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
83
74
73
63
47
31
14
85
94
95
95
89
77
70
54
26
27

Precipitation Amount (mm)

0.8
1.4
1.8
1.7
1.5
1.2
0.8
0.5
0.4
0.4
0.3
0
0
0
0.5
0.6
1
0.8
0.5
0.3
0.3
0
0
0

Wind Speed/Direction (mph)

19
23
27
28
28
29
29
23
24
21
19
18
18
16
15
14
16
19
19
20
21
19
18
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
7
8
8
8
7
6
5
5
4
3
2
4
4
3
4
5
5
5
4
4

Relative Humidity (%)

96
93
91
93
95
91
93
87
84
81
78
79
78
76
75
75
73
70
74
78
82
81
82
84

Pressure (mb)

1001
999
998
997
995
994
994
994
995
995
996
996
997
998
1000
1001
1001
1001
1001
1001
1001
1001
1001
1001

Ozone (du)

350
344
344
347
343
338
338
339
336
334
335
336
338
345
352
355
358
362
366
371
376
379
382
385

Saturday 25

Waning Crescent 19%

05:12

11:58

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 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:54, Set: 16:45, Transit: 12:19. Moon - Rise: 05:12, Set: 11:58. Civil Dark: 17:21 - 07:17. Nautical Dark: 18:02 - 06:36. Astro Dark: 18:42 - 05:57

Total Clouds (% Sky Obscured)

94
91
94
97
100
98
96
90
88
76
72
62
56
56
41
31
40
61
85
91
66
41
12
14

Low Clouds (% Sky Obscured)

87
81
87
90
94
82
72
60
46
40
34
32
30
26
17
9
0
1
0
0
2
3
5
7

Medium Clouds (% Sky Obscured)

29
22
36
51
69
51
34
16
20
25
40
25
25
20
15
10
10
17
24
31
41
41
12
14

High Clouds (% Sky Obscured)

23
0
0
0
0
0
0
0
0
0
0
33
56
56
41
31
40
55
65
65
50
31
3
2

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

22
4
29
50
62
61
46
21
26
28
28
17
11
0
0
1
0
0
4
13
71
94
93
70

Precipitation Amount (mm)

0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.6
0.3

Wind Speed/Direction (mph)

16
16
16
16
17
18
18
18
19
17
17
16
14
12
10
9
8
7
8
8
10
8
7
6

Chance of Frost

Temperature (°C)

7
7
6
6
7
7
6
6
5
5
5
5
4
3
1
1
1
1
2
3
4
3
2
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
85
85
85
84
83
81
79
78
75
73
79
82
88
88
88
89
84
79
76
82
88
94

Pressure (mb)

1001
1001
1001
1001
1001
1001
1002
1003
1003
1004
1005
1006
1007
1008
1009
1009
1010
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

385
386
386
387
387
388
388
389
389
392
395
398
404
411
417
416
416
416
411
405
400
400
400
400

Sunday 26

Waning Crescent 11%

06:19

12:46

Sun - Rise: 07:52, Set: 16:46, Transit: 12:19. Moon - Rise: 06:19, Set: 12:46. Civil Dark: 17:23 - 07:16. Nautical Dark: 18:04 - 06:35. Astro Dark: 18:43 - 05:55

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: 20/01/25 04:58:03. Forecast: 20/01/25 to 26/01/25. Timezone: UTC+0.00