Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 12

Waning Crescent 26%

03:49

11:46

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 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:08, Set: 16:26, Transit: 12:18. Moon - Rise: 03:49, Set: 11:46. Civil Dark: 17:05 - 07:30. Nautical Dark: 17:46 - 06:48. Astro Dark: 18:26 - 06:08

Total Clouds (% Sky Obscured)

88
92
92
81
58
56
60
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
59
56
58
53
52
54
55
69
69
83
83
79
79
86
92
67
67
73
83
97
95
75
71

Medium Clouds (% Sky Obscured)

0
9
4
0
1
0
0
0
0
55
100
100
100
100
100
100
100
100
100
100
98
100
100
69

High Clouds (% Sky Obscured)

88
92
40
63
58
6
4
100
100
100
100
100
100
100
100
100
100
100
100
100
100
69
95
81

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
3
2
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
51
1
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
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

8
3
0
0
0
0
0
0
2
0
1
5
2
6
50
95
95
86
52
44
45
43
51
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1.1
0.3
0
0
0
0
0.3
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
84
90
95
96
96
96
96
98
96
96
98
96
98
96
96
95
96
96
95
93
91
90
87

Pressure (mb)

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

Ozone (du)

333
332
332
337
341
345
342
338
334
328
328
331
332
336
336
335
335
337
338
338
338
338
335
332

Tuesday 13

Waning Crescent 18%

05:01

12:12

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

Sun - Rise: 08:07, Set: 16:28, Transit: 12:18. Moon - Rise: 05:01, Set: 12:12. Civil Dark: 17:06 - 07:29. Nautical Dark: 17:48 - 06:47. Astro Dark: 18:28 - 06:08

Total Clouds (% Sky Obscured)

100
100
100
100
99
93
94
98
69
37
36
8
0
0
0
87
100
100
100
87
100
100
100
100

Low Clouds (% Sky Obscured)

75
83
88
98
95
92
91
97
55
37
36
8
0
0
0
33
52
34
11
19
27
5
22
0

Medium Clouds (% Sky Obscured)

53
90
99
81
40
39
52
52
27
0
0
0
0
0
0
0
33
65
76
78
100
100
100
100

High Clouds (% Sky Obscured)

100
100
96
100
18
4
0
0
0
0
0
0
0
0
0
71
83
94
42
25
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
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
7
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

42
56
60
61
63
35
16
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.2
0.3
0.3
0.4
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
5
6
9
8
7
7
7
6
5
4
3
2
2
3
3
3
4
5
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
7
6
4
4
3
3
2
1
0
-1
-1
-1
-1
-2
-1
-0
1
1
2
2

Relative Humidity (%)

88
91
91
93
95
93
93
91
89
91
89
89
88
89
88
88
88
88
83
79
77
78
82
85

Pressure (mb)

1004
1005
1006
1006
1007
1008
1009
1009
1010
1010
1011
1012
1012
1013
1013
1013
1014
1015
1015
1015
1014
1014
1014
1013

Ozone (du)

335
347
355
358
358
358
357
349
342
338
333
330
328
327
323
322
318
313
309
305
306
306
308
312

Wednesday 14

Waning Crescent 11%

06:08

12:49

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 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:07, Set: 16:29, Transit: 12:19. Moon - Rise: 06:08, Set: 12:49. Civil Dark: 17:07 - 07:28. Nautical Dark: 17:49 - 06:47. Astro Dark: 18:29 - 06:07

Total Clouds (% Sky Obscured)

100
100
90
84
93
93
98
96
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
88

Low Clouds (% Sky Obscured)

0
32
38
82
83
88
96
92
89
83
92
100
100
100
100
79
79
75
68
56
59
59
62
57

Medium Clouds (% Sky Obscured)

100
100
90
84
93
43
20
17
34
78
100
100
100
97
80
38
100
100
100
100
100
100
100
88

High Clouds (% Sky Obscured)

100
20
20
15
25
14
7
3
91
90
93
100
100
95
95
100
100
100
100
100
100
100
100
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
3
2
6
9
9
9
9
9
9
5
4
3
0
2

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
5
5
5
5
5
5
5
5
5

Precipitation Type

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

Precipitation Probability (%)

0
8
13
11
15
13
36
24
14
64
95
95
95
95
95
80
48
32
50
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
1.7
1.5
1.4
2.2
1.7
0.4
0
0
0
0.9
0.9
2.4
1.6
2.6

Wind Speed/Direction (mph)

7
7
7
8
7
8
9
10
10
11
12
15
13
12
8
6
4
4
4
4
4
4
6
6

Chance of Frost

Temperature (°C)

4
4
4
4
5
5
6
6
7
7
7
8
8
7
7
7
7
7
7
7
7
7
7
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
86
86
86
89
90
90
93
96
96
94
94
94
96
96
96
94
94
96
98
98
98
98

Pressure (mb)

1013
1013
1012
1012
1011
1011
1010
1009
1009
1008
1007
1007
1006
1005
1004
1004
1003
1003
1003
1003
1002
1001
1000
1000

Ozone (du)

315
316
318
318
317
320
324
325
326
330
337
342
346
352
353
357
355
356
354
350
351
354
357
361

Thursday 15

Waning Crescent 6%

07:06

13:40

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 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:06, Set: 16:31, Transit: 12:19. Moon - Rise: 07:06, Set: 13:40. Civil Dark: 17:09 - 07:28. Nautical Dark: 17:50 - 06:46. Astro Dark: 18:30 - 06:06

Total Clouds (% Sky Obscured)

75
64
67
72
78
75
76
76
85
93
100
98
38
34
35
50
58
67
89
72
71
71
76
79

Low Clouds (% Sky Obscured)

54
51
56
63
72
63
60
55
61
71
76
53
38
34
35
47
49
52
59
50
47
41
39
45

Medium Clouds (% Sky Obscured)

74
53
39
32
25
30
35
35
57
78
100
87
38
31
35
49
58
54
72
42
18
21
25
54

High Clouds (% Sky Obscured)

43
15
20
20
25
15
26
36
42
60
100
69
38
32
32
33
31
23
12
1
13
18
31
39

ISS Passover

Visibility (miles)

1
3
2
5
0
0
1
1
1
4
9
9
9
9
9
9
9
9
9
6
9
9
9
9

Fog (%)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Precipitation Type

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

Precipitation Probability (%)

95
95
95
40
39
81
95
95
80
35
12
1
1
1
5
7
7
16
33
27
27
32
30
33

Precipitation Amount (mm)

1.9
1.4
0.9
0
0
0.3
1
0.9
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
4
3
5
4
4
7
8
7
8
6
6
6
5
5
5
5
6
8
10
11
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
94
98
98
98
98
98
93
91
94
91
94
94
94
93
93
90
88
88
87
87
87

Pressure (mb)

999
1000
1000
999
1000
1000
1000
1000
1000
1001
1001
1002
1002
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

361
367
370
369
368
369
370
371
380
383
376
380
380
383
390
394
398
396
393
391
391
392
393
394

Friday 16

Waning Crescent 2%

07:51

14:43

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 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:05, Set: 16:32, Transit: 12:19. Moon - Rise: 07:51, Set: 14:43. Civil Dark: 17:10 - 07:27. Nautical Dark: 17:52 - 06:45. Astro Dark: 18:31 - 06:06

Total Clouds (% Sky Obscured)

80
80
87
93
100
100
100
100
100
100
100
92
84
75
62
64
69
65
61
59
73
86
100
100

Low Clouds (% Sky Obscured)

53
54
61
60
62
69
77
80
76
70
67
69
66
66
62
64
67
65
61
59
69
65
58
59

Medium Clouds (% Sky Obscured)

67
69
80
85
100
100
100
100
100
100
100
73
25
6
4
4
4
6
7
8
17
30
46
50

High Clouds (% Sky Obscured)

50
45
60
42
100
100
85
76
77
75
73
66
48
24
22
12
10
4
4
4
10
11
13
19

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
2
1
0
3
6
9
9
9
9

Fog (%)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

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 (%)

33
35
37
31
21
27
21
13
16
17
19
16
11
5
4
3
1
4
4
3
12
17
21
17

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
94
94
94
94
94
96
96
96
98
96
96
98
100
98
98
98
98
96
94
93
93
94
94

Pressure (mb)

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

Ozone (du)

393
393
394
397
404
412
416
413
412
413
415
418
420
423
425
426
427
427
426
425
424
422
420
418

Saturday 17

Waning Crescent 0%

08:24

15:56

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 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:04, Set: 16:34, Transit: 12:20. Moon - Rise: 08:24, Set: 15:56. Civil Dark: 17:12 - 07:26. Nautical Dark: 17:53 - 06:45. Astro Dark: 18:33 - 06:05

Total Clouds (% Sky Obscured)

100
100
96
92
88
92
96
100
100
100
100
100
100
100
100
100
100
100
100
100
90
80
69
68

Low Clouds (% Sky Obscured)

60
67
64
61
55
50
41
31
57
67
84
90
95
100
100
100
100
100
100
100
90
79
69
62

Medium Clouds (% Sky Obscured)

49
30
34
47
60
73
87
100
96
94
91
89
87
89
87
81
80
71
62
54
48
42
37
52

High Clouds (% Sky Obscured)

30
28
12
7
4
29
58
87
91
96
100
100
100
98
83
71
58
38
19
2
6
7
9
10

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 (%)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Precipitation Type

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

Precipitation Probability (%)

15
14
23
25
27
30
30
31
45
58
69
65
70
81
81
83
78
71
74
80
63
46
22
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.4
0.3
0.4
0.6
0.5
0.5
0.4
0.3
0.3
0.4
0
0
0
0

Wind Speed/Direction (mph)

6
6
5
6
6
6
6
7
7
8
8
8
8
9
10
10
10
12
13
14
15
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
98
96
96
96
96
96
98
96
96
94
94
93
94
94
98
94
91
90
88
90
88

Pressure (mb)

1012
1012
1012
1013
1013
1013
1013
1012
1012
1012
1011
1011
1010
1009
1008
1008
1007
1007
1006
1006
1005
1005
1005
1005

Ozone (du)

419
421
423
423
424
424
424
423
423
422
421
420
425
429
434
434
434
434
431
428
425
422
420
418

Sunday 18

New Moon 1%

08:49

15:56

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 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:03, Set: 16:35, Transit: 12:20. Moon - Rise: 08:49, Set: 15:56. Civil Dark: 17:13 - 07:25. Nautical Dark: 17:54 - 06:44. Astro Dark: 18:34 - 06:04

Total Clouds (% Sky Obscured)

70
76
90
94
98
99
99
100
94
87
80
78
75
86
93
96
100
100
100
99

Low Clouds (% Sky Obscured)

56
48
54
58
66
66
66
66
70
75
80
74
71
69
68
65
60
61
63
67

Medium Clouds (% Sky Obscured)

68
76
87
91
93
86
83
80
53
27
1
12
24
35
57
78
100
99
98
97

High Clouds (% Sky Obscured)

15
20
20
20
20
20
15
10
4
3
2
2
3
3
38
70
100
87
71
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

Fog (%)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

15
5
11
15
17
30
37
42
36
25
4
12
13
14
14
12
4
8
8
5

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)

14
12
11
11
10
10
10
10
10
10
10
10
10
9
9
9
10
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
1
1
1
0
0
0
1
1
1
0
0
0
1
1
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
93
94
94
93
91
89
89
89
89
91
93
94
93
91
91
90
88

Pressure (mb)

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

Ozone (du)

421
424
426
420
414
408
399
390
381
375
369
363
358
354
349
352
356
359
358
356

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

Generated: 12/01/26 16:45:42. Forecast: 12/01/26 to 18/01/26. Timezone: UTC+0.00