Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 3%

09:08

18:34

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
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:02, Set: 16:39, Transit: 12:21. Moon - Rise: 09:08, Set: 18:34. Civil Dark: 17:17 - 07:24. Nautical Dark: 17:58 - 06:43. Astro Dark: 18:38 - 06:04

Total Clouds (% Sky Obscured)

74
82
84
100
100
95
96
100
100
100
100
93
100
100
97
68
48
63
70
69
85
80
82
100

Low Clouds (% Sky Obscured)

41
38
67
72
71
60
78
80
79
82
87
79
63
0
16
29
37
63
70
68
66
72
70
65

Medium Clouds (% Sky Obscured)

53
43
48
52
36
24
69
94
92
85
100
84
100
100
97
68
16
0
2
60
33
16
78
100

High Clouds (% Sky Obscured)

74
82
84
64
100
94
86
66
57
48
100
45
52
54
3
0
0
0
4
0
0
0
3
51

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
4
4
3
9
9
9
9
9
9
9
9
9
9
9
9
4
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
Moderate Rain
None
None
None
None
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
None

Precipitation Probability (%)

13
47
95
1
2
9
56
95
95
95
76
59
48
72
53
28
7
1
0
2
2
31
59
52

Precipitation Amount (mm)

0
0
2.8
0
0
0
0
0.7
0.8
0.9
0.3
0
0
0.2
0
0
0
0
0
0
0
0
0.3
0

Wind Speed/Direction (mph)

15
18
19
21
21
21
21
23
23
22
14
6
5
5
3
4
3
6
6
7
8
10
11
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
84
82
84
81
81
82
88
91
90
91
91
91
93
93
93
93
93
93
94
93
94
91

Pressure (mb)

1007
1006
1005
1005
1003
1003
1002
1001
1000
999
1000
999
999
999
998
998
997
997
996
995
995
993
992
992

Ozone (du)

335
331
331
330
328
329
328
325
318
326
336
341
342
347
358
366
377
380
375
373
378
377
374
373

Wednesday 21

Waxing Crescent 8%

09:22

19:53

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
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:01, Set: 16:41, Transit: 12:21. Moon - Rise: 09:22, Set: 19:53. Civil Dark: 17:18 - 07:23. Nautical Dark: 17:59 - 06:42. Astro Dark: 18:39 - 06:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
96
93
94
94
100
100
99
98
100
96
100
100
94
100
100
100

Low Clouds (% Sky Obscured)

55
100
96
100
73
89
71
80
88
85
85
89
90
83
80
68
77
80
85
96
87
80
100
98

Medium Clouds (% Sky Obscured)

100
100
100
100
93
53
55
100
68
51
85
81
82
86
41
13
21
44
62
67
37
72
69
81

High Clouds (% Sky Obscured)

65
44
57
10
98
100
100
15
67
24
2
10
100
100
91
87
95
46
85
0
0
73
82
76

ISS Passover

Visibility (miles)

7
3
2
8
9
9
9
7
6
9
9
9
9
9
9
9
9
9
7
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
Light Rain
Light Rain
Very Light Rain
None
None
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
83
44
38
37
65
50
28
44
23
30
29
27
21
14
23
27
27
29
43
39
41

Precipitation Amount (mm)

0.5
1
0.8
0.2
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
20
22
23
22
20
20
20
20
20
20
18
17
15
15
16
15
14
15
12
12
13
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
91
90
90
90
91
91
93
91
93
91
93
91
88
87
87
85
82
88
87
90
91
90

Pressure (mb)

990
988
987
985
984
983
983
983
983
984
984
984
984
984
984
985
985
986
986
986
986
986
986
986

Ozone (du)

372
371
376
376
371
368
363
358
352
351
352
354
355
358
358
362
367
370
373
374
374
375
376
376

Thursday 22

Waxing Crescent 15%

09:35

21:12

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
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:59, Set: 16:43, Transit: 12:22. Moon - Rise: 09:35, Set: 21:12. Civil Dark: 17:20 - 07:22. Nautical Dark: 18:01 - 06:41. Astro Dark: 18:40 - 06:02

Total Clouds (% Sky Obscured)

100
97
93
91
100
100
97
91
67
60
66
63
100
100
100
96
68
55
77
100
95
97
98
100

Low Clouds (% Sky Obscured)

96
93
91
83
84
84
85
84
67
58
62
63
74
83
85
84
46
42
64
63
67
64
64
66

Medium Clouds (% Sky Obscured)

73
55
89
88
99
100
59
21
20
24
16
24
20
60
81
76
68
55
77
69
86
93
96
100

High Clouds (% Sky Obscured)

42
58
29
30
21
30
0
0
67
60
51
1
100
55
45
45
50
45
7
100
63
71
73
78

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

43
45
38
47
59
55
70
50
70
52
34
33
39
30
14
9
15
21
39
54
92
95
95
54

Precipitation Amount (mm)

0
0
0
0
0.3
0
0.4
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0.5
0.8
0.9
0

Wind Speed/Direction (mph)

16
18
17
13
10
11
12
12
9
8
8
7
7
9
11
12
13
12
13
14
15
17
18
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
87
87
85
85
90
87
88
91
93
91
91
93
93
93
90
88
88
88
88
93
94
93

Pressure (mb)

985
985
985
986
986
986
986
986
986
986
986
986
986
985
985
985
985
985
985
984
984
983
983
984

Ozone (du)

378
377
379
382
383
380
379
386
390
382
377
373
371
370
372
372
373
373
374
376
377
378
380
381

Friday 23

Waxing Crescent 24%

09:46

22:32

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
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:58, Set: 16:44, Transit: 12:22. Moon - Rise: 09:46, Set: 22:32. Civil Dark: 17:21 - 07:21. Nautical Dark: 18:02 - 06:40. Astro Dark: 18:42 - 06:01

Total Clouds (% Sky Obscured)

100
100
79
68
73
98
68
63
51
45
42
42
92
99
100
98
96
94
91
86
83
81
84
90

Low Clouds (% Sky Obscured)

67
70
75
68
73
98
68
63
51
45
42
42
84
93
96
95
89
84
79
73
68
73
76
80

Medium Clouds (% Sky Obscured)

99
97
38
51
53
96
65
63
51
45
42
36
74
89
100
94
89
83
64
51
45
55
60
64

High Clouds (% Sky Obscured)

83
91
69
68
73
85
60
30
0
0
0
0
4
10
25
20
35
40
45
45
45
30
10
25

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 (%)

34
16
31
21
33
34
27
22
19
16
13
10
15
19
20
24
29
33
32
30
20
21
21
6

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)

12
13
14
16
16
15
15
16
16
16
17
17
18
18
19
19
18
17
16
14
13
13
13
13

Chance of Frost

Temperature (°C)

7
7
7
8
8
8
7
7
7
6
6
6
6
6
6
6
6
6
7
7
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

5
4
4
4
4
5
5
5
4
4
4
4
4
4
4
4
4
3
4
4
4
4
4
5

Relative Humidity (%)

88
82
79
77
75
81
84
84
82
84
84
82
82
84
84
82
82
81
84
84
85
87
85
90

Pressure (mb)

984
984
984
984
984
984
984
985
985
985
985
986
986
986
987
987
987
988
989
989
990
991
991
992

Ozone (du)

386
388
389
393
396
399
402
405
407
411
414
415
412
409
407
405
405
404
402
400
401
403
404
405

Saturday 24

Waxing Crescent 34%

09:58

23:54

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
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:57, Set: 16:46, Transit: 12:22. Moon - Rise: 09:58, Set: 23:54. Civil Dark: 17:23 - 07:20. Nautical Dark: 18:04 - 06:39. Astro Dark: 18:43 - 06:00

Total Clouds (% Sky Obscured)

88
86
86
83
82
82
83
86
91
94
97
67
65
73
79
92
92
96
97
95
96
93
94
95

Low Clouds (% Sky Obscured)

76
73
71
68
66
64
71
78
85
85
84
67
65
73
79
82
84
85
83
80
80
81
83
85

Medium Clouds (% Sky Obscured)

68
68
64
66
64
27
21
9
0
22
69
67
65
62
60
55
45
40
54
65
73
79
88
95

High Clouds (% Sky Obscured)

40
35
35
27
0
0
0
0
0
4
9
13
27
38
44
27
12
0
20
39
58
38
18
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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 (%)

10
14
9
14
10
5
8
10
11
18
21
20
30
34
33
46
36
18
23
25
26
32
34
32

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)

13
13
13
14
14
13
14
13
13
14
14
14
14
14
14
14
14
13
12
12
12
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
4
4
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Relative Humidity (%)

88
87
85
84
84
81
77
78
79
82
82
86
88
90
90
90
90
91
91
93
93
93
91
91

Pressure (mb)

993
993
993
993
993
993
993
993
993
993
993
993
993
993
993
993
993
993
993
993
993
993
994
994

Ozone (du)

406
407
409
413
416
417
420
424
426
427
429
431
432
434
435
436
437
439
440
439
438
437
437
437

Sunday 25

Waxing Crescent 45%

10:11

01:19

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
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:56, Set: 16:48, Transit: 12:22. Moon - Rise: 10:11, Set: 01:19. Civil Dark: 17:25 - 07:19. Nautical Dark: 18:05 - 06:38. Astro Dark: 18:45 - 05:59

Total Clouds (% Sky Obscured)

95
95
95
95
94
95
94
94
95
97
98
100
99
99
98
99
99
99
100
99
99
98
96
95

Low Clouds (% Sky Obscured)

87
88
90
91
91
90
89
89
89
93
96
100
96
92
87
89
90
91
92
94
97
95
94
91

Medium Clouds (% Sky Obscured)

95
90
84
63
49
36
36
29
23
42
62
80
69
58
48
34
19
5
9
12
16
18
17
15

High Clouds (% Sky Obscured)

7
4
2
3
3
4
3
3
2
1
0
0
0
0
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
8
7
8
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 (%)

33
33
29
41
42
31
32
32
31
28
25
23
22
20
15
18
18
3
10
10
1
2
4
4

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
85
82
82
81
81
81
82
83
85
88
90
88
85
82
82
80
79
80
80
79
79
77

Pressure (mb)

995
995
995
996
996
997
997
998
998
999
1000
1000
1001
1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003

Ozone (du)

437
435
433
431
430
429
428
424
420
416
414
412
410
408
405
402
401
399
398
401
404
407
408
409

Monday 26

First Quarter 57%

10:29

02:48

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
05 Bad

Sun - Rise: 07:54, Set: 16:49, Transit: 12:22. Moon - Rise: 10:29, Set: 02:48. Civil Dark: 17:26 - 07:18. Nautical Dark: 18:07 - 06:37. Astro Dark: 18:46 - 05:58

Total Clouds (% Sky Obscured)

93
92
90
87
84
82
81
82
82
83
85
86
89
92
94
96
97
99
98
96
95

Low Clouds (% Sky Obscured)

89
86
83
83
82
82
81
82
82
83
85
86
89
92
94
92
90
89
85
84
79

Medium Clouds (% Sky Obscured)

12
9
4
3
2
2
27
51
76
77
78
69
47
36
24
39
56
73
76
81
90

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

6
4
2
6
6
2
10
12
9
15
19
19
19
17
14
17
16
5
6
5
1

Precipitation Amount (mm)

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
8
8
7
7
7
7
6
6
6
6
7
8
8
8
7
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-0
-0
-1
-1
-1
-1
-0
-0
0
0
0
1
1
1
0
0
-0
-1
-1
-1
-1

Relative Humidity (%)

76
73
69
67
67
67
68
71
76
80
82
86
89
89
88
88
85
84
83
83
84

Pressure (mb)

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

Ozone (du)

410
410
410
411
410
410
409
408
406
405
410
415
420
424
428
432
435
437
439
437
434

Forecast for Bristol, Bristol, United Kingdom (51.45,-2.59)

Generated: 20/01/26 09:11:20. Forecast: 20/01/26 to 26/01/26. Timezone: UTC+0.00