Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 10

Third Quarter 54%

00:09

10:56

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

Sun - Rise: 08:09, Set: 16:20, Transit: 12:14. Moon - Rise: 00:09, Set: 10:56. Civil Dark: 16:59 - 07:30. Nautical Dark: 17:41 - 06:48. Astro Dark: 18:21 - 06:07

Total Clouds (% Sky Obscured)

30
100
94
11
71
59
43
45
24
13
0
0
30
54
53
0
20
70
100
99
78
100
100
100

Low Clouds (% Sky Obscured)

65
79
72
60
35
33
21
1
0
0
0
0
7
33
9
0
0
0
0
26
25
0
0
0

Medium Clouds (% Sky Obscured)

21
27
23
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
85
85
59
100
98
100

High Clouds (% Sky Obscured)

2
2
0
0
0
0
0
0
0
0
0
0
15
21
53
0
20
70
100
83
73
100
78
73

ISS Passover

Visibility (miles)

-
-
-
-
-
-
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

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
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)

9
8
6
7
7
7
6
5
4
4
5
6
6
6
5
3
2
1
2
2
3
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
92
97
96
94
94
92
94
92
89
84
80
79
77
84
89
89
87
89
87
87
89
91

Pressure (mb)

1009
1009
1010
1011
1011
1012
1013
1014
1015
1017
1017
1018
1019
1019
1019
1020
1020
1021
1021
1022
1022
1022
1022
1022

Ozone (du)

391
399
396
393
387
379
371
364
358
355
356
356
354
349
345
343
340
337
337
336
335
329
323
317

Sunday 11

Waning Crescent 44%

01:21

11:08

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: 08:08, Set: 16:21, Transit: 12:15. Moon - Rise: 01:21, Set: 11:08. Civil Dark: 17:00 - 07:29. Nautical Dark: 17:42 - 06:47. Astro Dark: 18:23 - 06:07

Total Clouds (% Sky Obscured)

97
95
99
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
90
83
99
100

Low Clouds (% Sky Obscured)

0
0
13
50
68
73
52
63
77
79
85
100
100
100
100
100
100
100
100
92
86
83
82
71

Medium Clouds (% Sky Obscured)

97
95
99
100
88
99
100
88
73
77
61
100
100
100
100
67
98
98
100
100
86
33
0
51

High Clouds (% Sky Obscured)

77
83
66
40
22
64
90
100
100
100
100
100
100
100
100
100
82
100
100
100
14
1
94
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
1
0
0
0
0
0
0
0
8
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
Light Rain
None
None
None
None
None
None
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
2
10
14
38
40
24
49
78
32
16
34
50
36
48
95
95
67
26
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.5
0
0
0
0
0
0
0.9
2.4
0
0
0

Wind Speed/Direction (mph)

6
7
9
10
12
13
14
15
17
18
20
21
22
21
22
21
20
20
21
22
22
20
17
16

Chance of Frost

Temperature (°C)

-1
-0
-0
-0
0
1
1
2
2
3
4
4
4
5
5
6
6
7
7
8
9
10
10
10

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-2
-2
-2
-2
-1
-1
-0
0
2
3
4
4
4
5
6
6
7
8
9
9
9
9

Relative Humidity (%)

89
87
87
87
86
86
86
83
83
83
88
91
94
96
96
96
96
96
96
96
96
93
93
91

Pressure (mb)

1022
1021
1021
1021
1019
1018
1017
1016
1015
1015
1014
1013
1011
1010
1009
1007
1006
1005
1004
1003
1002
1002
1002
1002

Ozone (du)

315
313
313
317
308
307
310
311
314
313
312
315
317
318
314
312
310
310
312
311
317
319
321
319

Monday 12

Waning Crescent 35%

02:35

11:23

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: 08:07, Set: 16:23, Transit: 12:15. Moon - Rise: 02:35, Set: 11:23. Civil Dark: 17:01 - 07:29. Nautical Dark: 17:44 - 06:47. Astro Dark: 18:24 - 06:06

Total Clouds (% Sky Obscured)

97
100
100
100
98
94
95
100
96
87
98
100
87
82
85
60
94
100
93
75
83
99
67
71

Low Clouds (% Sky Obscured)

73
65
71
74
65
75
73
81
70
78
68
73
63
77
76
50
77
70
48
47
56
68
67
64

Medium Clouds (% Sky Obscured)

6
35
20
12
19
14
34
59
52
20
63
24
15
4
7
4
4
21
24
29
30
30
0
0

High Clouds (% Sky Obscured)

88
100
100
100
93
78
55
95
84
21
15
32
15
15
8
31
70
100
93
75
83
79
10
39

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 (%)

4
4
1
1
0
3
1
1
2
3
22
40
35
26
22
9
16
1
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)

15
16
16
15
15
15
15
16
16
16
16
16
17
17
17
16
14
13
13
13
11
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
8
8
8
8
8
8
7
7
7
8
8
8
9
9
9
9
8
8
7
7
7
7
7

Relative Humidity (%)

91
88
90
93
93
93
93
88
85
88
90
90
88
88
88
90
93
91
91
93
96
96
95
91

Pressure (mb)

1002
1002
1002
1002
1001
1001
1001
1001
1001
1002
1002
1002
1002
1001
1002
1002
1003
1003
1003
1004
1005
1005
1005
1005

Ozone (du)

319
317
318
318
318
317
316
315
316
318
318
320
322
323
326
328
327
328
330
333
332
329
325
327

Tuesday 13

Waning Crescent 26%

03:48

11:42

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: 08:07, Set: 16:24, Transit: 12:15. Moon - Rise: 03:48, Set: 11:42. Civil Dark: 17:03 - 07:28. Nautical Dark: 17:45 - 06:46. Astro Dark: 18:25 - 06:06

Total Clouds (% Sky Obscured)

79
90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
97
95
93
87

Low Clouds (% Sky Obscured)

67
66
76
81
82
83
81
80
80
85
92
99
96
94
93
91
90
89
91
92
94
77
61
30

Medium Clouds (% Sky Obscured)

4
7
83
89
93
100
100
100
100
99
93
96
98
99
100
97
100
100
97
90
55
59
58
57

High Clouds (% Sky Obscured)

59
81
100
100
100
100
99
98
97
96
99
100
100
100
100
99
98
86
76
76
50
31
16
0

ISS Passover

Visibility (miles)

9
9
8
9
9
2
3
1
1
5
6
0
1
8
4
3
2
4
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

0
1
0
14
54
95
95
95
95
95
89
93
95
95
95
95
95
95
95
80
45
38
29
15

Precipitation Amount (mm)

0
0
0
0
0
1.5
0.9
1.2
1.5
0.9
0.5
0.6
0.6
0.7
0.8
1.5
1.3
0.9
0.7
0.4
0
0
0
0

Wind Speed/Direction (mph)

9
9
8
10
9
10
9
9
10
13
16
16
17
18
17
14
13
14
14
13
13
13
12
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
7
7
7
8
8
8
9
8
9
9
9
9
9
9
8
8
7
6
4
3
3
2

Relative Humidity (%)

91
91
96
94
95
98
98
98
98
95
95
96
96
93
95
96
96
93
93
93
85
79
80
80

Pressure (mb)

1005
1005
1005
1005
1004
1004
1003
1002
1002
1001
1001
1001
1000
999
999
998
998
999
1000
1001
1002
1003
1003
1004

Ozone (du)

328
326
325
326
327
329
330
330
331
334
334
337
340
343
346
348
347
347
349
353
356
361
365
367

Wednesday 14

Waning Crescent 18%

05:00

12:09

00 Bad
01 Bad
02 OK
03 Bad
04 OK
05 OK
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: 08:06, Set: 16:26, Transit: 12:16. Moon - Rise: 05:00, Set: 12:09. Civil Dark: 17:04 - 07:27. Nautical Dark: 17:46 - 06:45. Astro Dark: 18:26 - 06:05

Total Clouds (% Sky Obscured)

69
52
34
35
37
38
40
42
44
63
75
87
92
96
100
100
100
100
96
93
90
90
95
100

Low Clouds (% Sky Obscured)

30
31
33
33
37
38
38
36
37
40
44
43
40
35
30
28
26
24
44
39
34
49
64
78

Medium Clouds (% Sky Obscured)

30
10
0
0
0
0
3
8
10
38
58
65
75
59
71
88
96
64
34
55
77
55
36
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
41
55
70
83
92
100
100
100
100
66
36
12
34
62
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
5
7
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

10
5
0
0
0
0
0
0
0
0
0
0
0
0
1
3
8
76
93
84
68
48
31
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.8
0.6
0.4
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
86
88
89
93
91
93
89
89
85
82
83
82
81
82
85
83
90
91
91
89
91
91

Pressure (mb)

1005
1006
1006
1007
1008
1008
1008
1009
1010
1010
1010
1011
1010
1010
1009
1009
1009
1008
1008
1007
1007
1007
1007
1007

Ozone (du)

367
368
365
361
361
359
352
343
339
334
330
331
328
330
333
339
343
342
342
349
355
362
369
375

Thursday 15

Waning Crescent 11%

06:07

12:45

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: 08:05, Set: 16:27, Transit: 12:16. Moon - Rise: 06:07, Set: 12:45. Civil Dark: 17:06 - 07:27. Nautical Dark: 17:48 - 06:45. Astro Dark: 18:28 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
85
70
55
70
85
100
100
100
100
85
75
64
66
67
66
83
94
100
100
100
100

Low Clouds (% Sky Obscured)

84
90
91
78
69
53
48
41
35
34
34
32
30
32
35
38
40
41
51
59
63
59
62
68

Medium Clouds (% Sky Obscured)

30
36
37
28
19
9
31
49
69
69
70
70
68
62
44
54
53
55
72
87
100
98
96
93

High Clouds (% Sky Obscured)

90
90
85
50
17
1
26
53
81
87
94
100
67
33
0
0
0
10
57
80
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
6
4
2
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

37
50
60
54
43
21
13
5
0
0
0
0
2
3
4
14
24
36
73
95
95
95
95
95

Precipitation Amount (mm)

0
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
1.2
1.3
1.2
1

Wind Speed/Direction (mph)

9
10
11
12
11
11
11
10
8
6
8
9
10
10
10
11
11
10
11
12
12
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
94
93
94
94
96
94
93
88
87
87
87
88
90
91
94
93
94
93
93
93

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1006
1005
1005
1004
1003
1002
1002
1001
1000
999
998

Ozone (du)

381
383
384
385
382
379
375
375
374
374
371
368
365
362
360
358
356
353
351
351
351
351
351
351

Friday 16

Waning Crescent 6%

07:05

13:36

Sun - Rise: 08:04, Set: 16:29, Transit: 12:17. Moon - Rise: 07:05, Set: 13:36. Civil Dark: 17:07 - 07:26. Nautical Dark: 17:49 - 06:44. Astro Dark: 18:29 - 06:04

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: 10/01/26 06:36:06. Forecast: 10/01/26 to 16/01/26. Timezone: UTC+0.00