Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 1

Waxing Gibbous 97%

13:35

07:54

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

Sun - Rise: 08:14, Set: 16:12, Transit: 12:13. Moon - Rise: 13:35, Set: 07:54. Civil Dark: 16:52 - 07:34. Nautical Dark: 17:34 - 06:51. Astro Dark: 18:15 - 06:11

Total Clouds (% Sky Obscured)

60
62
67
76
71
74
72
47
63
40
35
23
9
22
49
39
79
96
92
92
87
95
98
96

Low Clouds (% Sky Obscured)

50
40
50
42
35
42
37
45
26
40
35
20
9
5
18
32
55
68
78
72
42
69
69
70

Medium Clouds (% Sky Obscured)

5
0
0
0
0
0
0
0
0
0
0
3
0
9
24
10
41
45
47
45
33
40
43
31

High Clouds (% Sky Obscured)

12
19
67
76
71
74
17
6
19
2
0
3
3
1
0
0
0
0
0
0
0
0
0
0

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
0
5
0

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
Light Rain

Precipitation Probability (%)

0
2
2
17
3
2
2
0
0
0
0
0
0
0
0
2
6
13
26
33
37
41
34
60

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
0.5

Wind Speed/Direction (mph)

11
12
13
13
13
12
11
10
10
9
8
8
8
8
8
9
9
11
10
11
11
9
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
83
80
82
82
76
79
86
89
93
93
93
91
93
91
91
88
86
88
93
89
98
88
91

Pressure (mb)

1014
1014
1013
1013
1012
1012
1012
1011
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1009
1009
1009
1009
1009
1009

Ozone (du)

314
310
317
340
361
373
369
367
364
365
366
362
356
348
343
338
336
333
330
327
321
319
315
311

Friday 2

Waxing Gibbous 100%

14:37

08:50

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

Sun - Rise: 08:13, Set: 16:13, Transit: 12:13. Moon - Rise: 14:37, Set: 08:50. Civil Dark: 16:53 - 07:34. Nautical Dark: 17:35 - 06:51. Astro Dark: 18:16 - 06:11

Total Clouds (% Sky Obscured)

92
45
4
8
0
0
29
39
36
36
31
5
0
19
32
47
28
0
0
0
0
17
0
0

Low Clouds (% Sky Obscured)

84
4
0
7
0
0
29
39
36
36
31
5
0
19
32
47
28
0
0
0
0
17
0
0

Medium Clouds (% Sky Obscured)

28
13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
5
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 (%)

39
33
5
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
91
83
80
76
77
81
84
84
88
89
88
86
84
86
81
80
77
75
78
81
80
74

Pressure (mb)

1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015

Ozone (du)

306
302
306
305
297
292
286
285
286
295
302
307
308
315
325
337
344
347
345
345
351
352
344
336

Saturday 3

Full Moon 99%

15:58

09:29

10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
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 Good
05 Good
06 Good
07 Good
08 Good
09 Good

Sun - Rise: 08:13, Set: 16:14, Transit: 12:14. Moon - Rise: 15:58, Set: 09:29. Civil Dark: 16:54 - 07:34. Nautical Dark: 17:36 - 06:51. Astro Dark: 18:17 - 06:11

Total Clouds (% Sky Obscured)

0
0
0
5
0
12
0
0
3
0
0
0
0
0
1
1
0
0
0
0
2
2
2
11

Low Clouds (% Sky Obscured)

0
0
0
4
0
11
0
0
3
0
0
0
0
0
1
1
0
0
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
11

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)

9
11
12
13
13
12
9
8
7
7
6
5
4
4
4
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
57
55
54
54
54
57
62
67
70
72
77
75
75
75
74
72
71
71
69
69
72
71
67

Pressure (mb)

1015
1016
1016
1016
1016
1016
1016
1017
1017
1018
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021

Ozone (du)

336
340
346
349
351
354
352
350
345
343
337
335
333
332
330
329
329
331
330
332
334
337
338
340

Sunday 4

Waning Gibbous 96%

17:28

09:54

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

Sun - Rise: 08:13, Set: 16:15, Transit: 12:14. Moon - Rise: 17:28, Set: 09:54. Civil Dark: 16:55 - 07:33. Nautical Dark: 17:37 - 06:51. Astro Dark: 18:18 - 06:11

Total Clouds (% Sky Obscured)

8
2
2
2
2
9
16
17
16
10
1
4
13
21
64
38
62
60
84
95
93
84
86
86

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
4
13
21
43
32
44
33
18
9
10
10
11
29

Medium Clouds (% Sky Obscured)

0
2
1
1
1
9
16
17
16
9
0
4
13
21
24
27
32
44
77
93
93
51
52
56

High Clouds (% Sky Obscured)

7
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
18
20
13
0
0
0

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
3
4
6
9
10
10
18

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
6
7
7
7
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-6
-6
-5
-4
-4
-4
-2
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2

Relative Humidity (%)

61
57
53
52
57
63
70
75
87
94
92
92
91
89
89
91
91
91
91
91
92
92
91
91

Pressure (mb)

1021
1020
1020
1020
1019
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018

Ozone (du)

339
340
342
340
340
340
342
343
347
349
354
354
352
356
356
354
355
356
359
365
372
379
385
388

Monday 5

Waning Gibbous 90%

18:57

09:54

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

Sun - Rise: 08:12, 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)

88
90
85
79
76
64
51
43
28
24
2
0
0
1
0
6
4
8
13
20
16
17
23
28

Low Clouds (% Sky Obscured)

49
65
75
69
62
52
43
39
25
15
2
0
0
1
0
1
0
0
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

69
83
83
69
62
51
43
43
0
0
0
0
0
0
0
0
0
0
0
0
16
17
23
28

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
6
4
8
13
20
16
17
23
9

ISS Passover

Visibility (miles)

9
9
9
9
8
9
9
0
0
9
9
9
7
7
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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

18
16
17
25
35
28
64
72
31
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.5
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
79
76
74
79
89
91
100
98
98
96
96
96
96
96
96
94
94
92
92
90
90
90
89

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020

Ozone (du)

386
385
380
380
378
379
375
372
373
371
369
366
356
355
361
361
361
361
364
367
370
374
377
380

Tuesday 6

Waning Gibbous 83%

20:22

10:12

10 OK
11 OK
12 OK
13 OK
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
05 Bad
06 Bad
07 OK
08 OK
09 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 - 06:10

Total Clouds (% Sky Obscured)

29
30
33
46
53
65
80
96
98
99
100
97
95
92
90
87
87
74
60
44
35
26
13
34

Low Clouds (% Sky Obscured)

1
1
1
1
0
1
1
2
4
6
8
14
20
26
44
63
81
66
51
35
24
13
2
3

Medium Clouds (% Sky Obscured)

29
30
33
46
53
65
80
96
98
99
100
87
74
64
58
48
38
26
11
0
11
25
13
34

High Clouds (% Sky Obscured)

5
5
10
10
15
34
50
70
48
26
5
3
2
0
0
0
0
1
2
3
8
10
12
9

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
Snow
Snow
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
2
18
30
40
39
34
18
13
7
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.1
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-4
-4
-4
-4
-3
-4
-4
-5
-4
-4
-4
-4
-4
-4
-4
-3
-3
-3
-4
-3
-4
-3
-3

Relative Humidity (%)

84
81
77
78
80
84
86
86
87
87
87
87
89
89
91
91
91
91
91
89
91
89
91
91

Pressure (mb)

1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1018

Ozone (du)

384
388
392
395
398
402
396
390
384
384
383
382
383
383
383
376
369
362
344
326
308
305
303
300

Wednesday 7

Waning Gibbous 74%

21:42

10:26

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

Sun - Rise: 08:11, Set: 16:19, Transit: 12:16. Moon - Rise: 21:42, Set: 10:26. Civil Dark: 16:58 - 07:32. Nautical Dark: 17:40 - 06:50. Astro Dark: 18:21 - 06:10

Total Clouds (% Sky Obscured)

59
85
80
75
68
75
84
91
66
48
30
35
50
55
65
72
79
83
92
98

Low Clouds (% Sky Obscured)

5
6
23
41
58
54
55
63
61
48
30
35
50
50
61
60
70
79
87
97

Medium Clouds (% Sky Obscured)

59
85
80
75
68
75
71
59
44
27
9
12
14
15
27
34
45
50
60
65

High Clouds (% Sky Obscured)

9
5
0
0
0
0
5
10
35
45
30
35
45
45
30
15
15
15
20
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
3
1
0
0
0
0
0

Fog (%)

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

Precipitation Probability (%)

0
0
4
10
15
26
34
39
34
26
7
11
11
7
17
18
12
9
7
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
88
89
91
93
94
94
96
96
96
96
96
98
100
100
100
100
98
100

Pressure (mb)

1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014

Ozone (du)

300
299
299
297
296
294
293
293
293
294
296
298
298
298
298
298
298
297
297
298

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

Generated: 01/01/26 10:43:41. Forecast: 01/01/26 to 07/01/26. Timezone: UTC+0.00