Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 5

Waning Gibbous 90%

18:57

09:54

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

Sun - Rise: 08:13, Set: 16:17, Transit: 12:15. Moon - Rise: 18:57, Set: 09:54. Civil Dark: 16:56 - 07:33. Nautical Dark: 17:38 - 06:51. Astro Dark: 18:19 - 06:11

Total Clouds (% Sky Obscured)

54
53
22
17
0
0
3
0
7
18
22
0
0
0
0
0
0
0
0
0
0
1
12
31

Low Clouds (% Sky Obscured)

24
21
17
1
0
0
3
0
7
18
22
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

48
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
14

High Clouds (% Sky Obscured)

3
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
8
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 (%)

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
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)

4
5
4
4
4
4
6
8
10
10
10
8
7
7
6
5
5
4
4
3
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
92
89
91
86
75
65
60
60
64
65
74
77
80
81
83
86
89
87
86
84
84
84
84

Pressure (mb)

1012
1013
1013
1014
1015
1015
1016
1016
1016
1016
1016
1017
1018
1019
1020
1020
1021
1021
1021
1022
1021
1022
1021
1021

Ozone (du)

392
390
385
385
389
391
401
406
404
406
406
405
407
406
404
410
414
411
404
400
394
391
387
386

Tuesday 6

Waning Gibbous 83%

20:22

10:12

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
00 Bad
01 Bad
02 Bad
03 Bad
04 OK

Sun - Rise: 08:12, Set: 16:18, Transit: 12:15. Moon - Rise: 20:22, Set: 10:12. Civil Dark: 16:57 - 07:33. Nautical Dark: 17:39 - 06:51. Astro Dark: 18:20 - 06:11

Total Clouds (% Sky Obscured)

48
40
48
46
39
50
97
66
54
50
96
96
100
99
96
88
80
87
82
89
79
71
49
29

Low Clouds (% Sky Obscured)

0
27
33
5
5
11
0
0
0
10
0
0
46
50
75
84
68
63
66
81
57
57
49
29

Medium Clouds (% Sky Obscured)

23
11
15
23
37
47
73
66
36
27
71
79
63
99
91
86
51
72
38
21
44
28
1
0

High Clouds (% Sky Obscured)

1
1
13
10
5
5
5
2
42
18
1
1
2
1
1
0
0
0
5
6
10
7
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
1
2
2
5
29
36
56
67
66
77
38
66
48
2
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.2
0.5
0
0.3
0.2
0
0

Wind Speed/Direction (mph)

5
5
5
5
5
5
6
7
8
10
10
10
10
11
11
12
13
14
13
13
9
9
12
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
91
92
92
87
83
79
80
82
86
89
94
91
86
85
83
89
94
96
96
96
86
86

Pressure (mb)

1021
1021
1021
1021
1021
1021
1020
1019
1018
1018
1017
1016
1015
1015
1014
1013
1012
1011
1010
1009
1008
1008
1008
1009

Ozone (du)

382
379
376
375
375
376
376
376
379
379
378
377
376
378
381
385
381
383
380
377
380
380
380
373

Wednesday 7

Waning Gibbous 74%

21:42

10:26

05 OK
06 OK
07 OK
08 Bad
09 Bad
10 OK
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
04 Bad

Sun - Rise: 08:12, Set: 16:19, Transit: 12:16. Moon - Rise: 21:42, Set: 10:26. Civil Dark: 16:58 - 07:33. Nautical Dark: 17:40 - 06:51. Astro Dark: 18:21 - 06:10

Total Clouds (% Sky Obscured)

29
5
22
43
53
44
57
91
95
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

29
0
0
1
0
0
1
2
1
8
51
65
80
89
100
100
92
85
80
67
36
27
17
9

Medium Clouds (% Sky Obscured)

3
2
10
17
53
32
57
49
72
66
83
86
100
100
100
100
88
90
100
100
99
82
48
100

High Clouds (% Sky Obscured)

0
0
1
15
20
7
5
91
91
87
95
99
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
0
0
1
0
0
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
0
0
3
44
73
95
81
65
33
6
2
1
0
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
10
9
7
6
6
6
7
8
7
6
5
5
7
8
10
11
11
9
7
9
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
89
89
89
86
82
79
77
82
86
88
89
91
98
98
100
98
100
100
98
96
98
96

Pressure (mb)

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

Ozone (du)

364
351
337
327
319
316
316
316
316
315
309
306
309
312
314
315
315
317
318
319
320
318
316
315

Thursday 8

Waning Gibbous 64%

22:57

10:37

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
04 Bad

Sun - Rise: 08:11, Set: 16:20, Transit: 12:16. Moon - Rise: 22:57, Set: 10:37. Civil Dark: 16:59 - 07:32. Nautical Dark: 17:42 - 06:50. Astro Dark: 18:22 - 06:10

Total Clouds (% Sky Obscured)

100
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)

1
7
16
20
17
16
10
40
73
100
100
100
100
100
100
100
100
100
100
100
100
100
95
89

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
80
60
40
1
0
0
15
82
65
66
100

High Clouds (% Sky Obscured)

100
100
99
100
100
100
100
100
100
100
100
100
100
75
50
30
17
0
0
30
70
80
60
39

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
4
4
6
3
2
4
9
9
9
9
3
2
0
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Light Rain
Sleet
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
1
5
8
58
92
95
95
95
95
95
95
95
82
62
37
74
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.7
1.1
1.6
1.9
2.5
2.4
1.7
0.6
0.4
0
0
0.4
0.8
1.2
1.2
0.7

Wind Speed/Direction (mph)

7
6
5
5
4
4
4
5
6
8
10
13
15
17
18
20
21
17
18
24
28
32
33
34

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
96
93
91
91
89
89
93
96
96
96
94
93
95
87
78
79
74
85
93
96
94

Pressure (mb)

1008
1008
1008
1008
1008
1008
1007
1005
1004
1001
999
996
992
989
985
982
980
979
977
975
975
976
976
977

Ozone (du)

318
319
320
321
322
319
316
315
318
320
322
322
323
327
327
332
348
367
372
365
356
360
362
359

Friday 9

Waning Gibbous 64%

00:11

10:48

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 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 OK

Sun - Rise: 08:11, Set: 16:22, Transit: 12:16. Moon - Rise: 00:11, Set: 10:48. Civil Dark: 17:01 - 07:32. Nautical Dark: 17:43 - 06:50. Astro Dark: 18:23 - 06:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
93
89
73
59
47
43
58
75
63
53
43
51
59
67
47
26

Low Clouds (% Sky Obscured)

84
70
58
46
45
45
51
48
49
49
46
46
46
41
49
54
45
39
31
35
40
48
33
17

Medium Clouds (% Sky Obscured)

60
89
100
100
100
100
100
95
89
84
68
59
42
43
58
75
59
41
21
18
16
14
9
6

High Clouds (% Sky Obscured)

32
43
51
55
75
75
75
74
48
22
8
26
25
40
12
10
2
2
1
1
1
0
2
4

ISS Passover

Visibility (miles)

9
1
9
9
9
8
9
6
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

Light Rain
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 (%)

77
56
38
22
20
15
21
10
15
2
3
2
0
1
0
0
0
0
0
1
0
0
1
1

Precipitation Amount (mm)

0.4
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)

32
30
27
26
24
26
26
25
25
25
24
22
21
20
13
12
11
11
12
13
13
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
94
93
88
89
89
88
88
86
86
82
80
76
75
75
72
72
72
70
72
74
77
82
83

Pressure (mb)

980
983
986
988
990
992
994
995
996
997
999
1000
1002
1003
1004
1005
1006
1007
1009
1010
1011
1012
1013
1013

Ozone (du)

377
384
396
392
398
405
394
386
382
392
393
386
389
391
392
392
392
395
397
399
395
391
387
382

Saturday 10

Third Quarter 54%

01:23

10:59

05 Good
06 OK
07 OK
08 OK
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
04 Bad

Sun - Rise: 08:10, Set: 16:23, Transit: 12:17. Moon - Rise: 01:23, Set: 10:59. Civil Dark: 17:02 - 07:32. Nautical Dark: 17:44 - 06:49. Astro Dark: 18:24 - 06:09

Total Clouds (% Sky Obscured)

7
19
29
40
57
74
93
80
81
91
95
97
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
3
3
8
10
11
15
9
7
7
8
9
32
55
76
81
83
84
87
90
93
88
84

Medium Clouds (% Sky Obscured)

3
4
5
4
3
2
1
9
17
26
50
74
97
98
99
99
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

6
10
14
18
41
63
86
61
37
12
22
36
52
70
86
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
2
4
6
8
7
5
4
4

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
Snow
Snow
Snow
Snow
Snow
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
15
26
36
44
51
58
89
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.2
0.4
0.8
1.3
1.4
1.3

Wind Speed/Direction (mph)

11
10
9
8
8
9
9
9
7
6
4
3
3
4
5
6
8
11
14
17
18
20
22
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
81
77
71
66
64
60
62
66
68
67
67
64
68
73
77
76
77
76
83
88
94
96

Pressure (mb)

1014
1014
1015
1016
1017
1017
1017
1018
1018
1017
1017
1017
1017
1016
1015
1014
1013
1012
1010
1009
1006
1004
1002
999

Ozone (du)

377
372
367
361
356
350
343
336
334
331
329
325
321
317
313
308
304
303
301
300
295
290
285
286

Sunday 11

Waning Crescent 44%

02:36

11:11

Sun - Rise: 08:10, Set: 16:25, Transit: 12:17. Moon - Rise: 02:36, Set: 11:11. Civil Dark: 17:03 - 07:31. Nautical Dark: 17:45 - 06:49. Astro Dark: 18:25 - 06:09

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 Twerton, Bath and North East Somerset, United Kingdom (51.36,-2.38)

Generated: 05/01/26 05:51:01. Forecast: 05/01/26 to 11/01/26. Timezone: UTC+0.00