Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 18

New Moon 1%

08:50

17:15

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 08:04, Set: 16:38, Transit: 12:21. Moon - Rise: 08:50, Set: 17:15. Civil Dark: 17:15 - 07:26. Nautical Dark: 17:57 - 06:45. Astro Dark: 18:36 - 06:05

Total Clouds (% Sky Obscured)

97
98
97
99
99
98
97
98
100
100
99
100
100
98
98
100
100
96
99
95
96
100
97
89

Low Clouds (% Sky Obscured)

97
98
97
99
99
97
95
96
96
95
99
95
90
91
91
100
97
88
86
90
75
80
52
49

Medium Clouds (% Sky Obscured)

81
93
90
86
89
76
73
75
78
76
57
91
57
47
94
99
94
83
46
79
95
99
76
64

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
5
3
39
45
3
2
0
0
0
27
75
75
37
5
50

ISS Passover

Visibility (miles)

2
1
0
0
0
0
1
1
0
1
7
9
9
4
1
1
2
4
9
9
9
9
9
9

Fog (%)

0
0
0
6
6
6
0
0
0
0
0
0
2
24
54
2
0
1
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
84
85
65
53
53
64
79
69
58
49
50
53
46
48
55
61
39
30
20
13
17
11
9

Precipitation Amount (mm)

0.7
0.4
0.4
0.4
0.2
0.2
0.3
0.8
0.5
0.3
0
0.2
0.2
0
0
0
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
100
100
98
100
100
100
98
98
98
100
98
98
100
98
96
96
95
95
95
93
93

Pressure (mb)

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

Ozone (du)

381
378
373
369
367
367
367
369
371
372
375
377
378
380
380
380
378
376
376
377
381
385
386
387

Monday 19

Waxing Crescent 3%

09:08

18:34

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 08:03, Set: 16:39, Transit: 12:21. Moon - Rise: 09:08, Set: 18:34. Civil Dark: 17:17 - 07:25. Nautical Dark: 17:58 - 06:44. Astro Dark: 18:38 - 06:04

Total Clouds (% Sky Obscured)

97
91
83
61
60
65
81
66
100
83
80
67
57
100
95
99
98
98
100
100
100
92
100
100

Low Clouds (% Sky Obscured)

40
58
57
45
48
57
75
66
62
63
66
63
52
60
59
57
57
81
100
91
91
81
81
90

Medium Clouds (% Sky Obscured)

97
91
73
61
60
65
24
0
0
0
0
1
28
31
47
55
73
43
44
64
87
78
100
100

High Clouds (% Sky Obscured)

7
4
21
15
10
15
0
0
86
54
45
13
15
100
65
77
81
74
86
92
94
35
14
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
6
3
2
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

3
3
2
1
1
0
7
15
2
2
1
0
1
4
6
19
13
4
11
53
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
1.4
0.9
0.9

Wind Speed/Direction (mph)

8
10
11
10
8
5
5
5
6
9
11
13
15
18
20
21
22
22
21
21
21
20
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
90
93
91
94
93
94
94
96
91
88
87
87
85
82
84
82
82
82
85
90
93
91

Pressure (mb)

1011
1011
1011
1011
1011
1011
1010
1010
1009
1008
1008
1008
1007
1007
1006
1005
1004
1003
1003
1002
1001
1001
1000
999

Ozone (du)

390
390
388
385
384
381
377
371
362
350
339
333
330
326
325
327
330
328
328
325
324
326
330
333

Tuesday 20

Waxing Crescent 8%

09:22

19:53

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

Sun - Rise: 08:02, Set: 16:41, Transit: 12:21. Moon - Rise: 09:22, Set: 19:53. Civil Dark: 17:18 - 07:24. Nautical Dark: 17:59 - 06:43. Astro Dark: 18:39 - 06:04

Total Clouds (% Sky Obscured)

100
96
100
100
95
99
90
93
84
71
32
37
71
68
60
90
90
97
100
99
99
100
100
98

Low Clouds (% Sky Obscured)

67
65
66
66
81
73
80
78
62
53
32
37
60
56
54
80
68
41
77
91
90
100
94
88

Medium Clouds (% Sky Obscured)

90
80
100
48
95
99
90
91
84
63
0
5
48
46
12
12
33
93
99
98
99
24
24
30

High Clouds (% Sky Obscured)

21
78
100
100
30
23
30
0
0
0
0
0
0
0
0
0
0
2
0
0
10
10
2
2

ISS Passover

Visibility (miles)

3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
7
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
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

95
36
9
25
16
25
19
8
2
1
1
2
1
4
3
8
19
26
43
87
89
73
40
47

Precipitation Amount (mm)

0.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.5
0.3
0
0

Wind Speed/Direction (mph)

22
13
13
14
13
13
12
12
11
8
7
7
6
7
9
11
12
13
14
16
16
17
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
88
88
87
90
91
93
93
94
96
96
96
94
91
88
88
85
85
84
93
94
96
90

Pressure (mb)

999
999
999
999
998
998
998
997
996
995
995
994
993
993
992
991
989
988
986
984
983
982
980
980

Ozone (du)

333
334
340
346
357
365
376
383
393
396
393
392
390
385
385
382
375
367
363
362
364
366
372
380

Wednesday 21

Waxing Crescent 15%

09:35

19:53

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 08:01, Set: 16:43, Transit: 12:22. Moon - Rise: 09:35, Set: 19:53. Civil Dark: 17:20 - 07:23. Nautical Dark: 18:01 - 06:42. Astro Dark: 18:40 - 06:03

Total Clouds (% Sky Obscured)

100
96
81
70
76
96
95
89
99
100
100
100
100
100
99
98
96
97
97
98
99
100
100
99

Low Clouds (% Sky Obscured)

82
78
73
70
71
69
68
72
77
81
84
88
91
82
71
61
64
68
72
73
74
74
81
87

Medium Clouds (% Sky Obscured)

90
92
28
14
29
72
88
79
64
97
84
71
100
97
87
92
83
87
84
76
94
94
95
74

High Clouds (% Sky Obscured)

2
0
0
0
4
8
11
21
31
38
61
82
100
70
43
29
25
67
45
35
29
24
31
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
5

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

Precipitation Probability (%)

47
52
53
57
49
38
17
31
41
50
51
50
47
52
54
55
67
71
73
66
63
54
60
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.3
0.3
0.3
0.3
0.2
0
0.3
0

Wind Speed/Direction (mph)

13
11
10
9
8
9
10
10
9
9
9
8
8
8
10
10
10
10
10
9
7
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
91
94
94
93
90
90
93
90
91
91
93
93
91
91
90
87
85
88
90
95
94
96

Pressure (mb)

980
980
980
981
981
981
982
982
983
983
983
984
984
985
985
986
986
986
986
986
987
987
987
987

Ozone (du)

384
388
393
391
389
387
384
378
375
374
376
375
373
372
373
373
375
379
380
380
380
384
386
387

Thursday 22

Waxing Crescent 24%

09:46

21:12

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:59, Set: 16:44, Transit: 12:22. Moon - Rise: 09:46, Set: 21:12. Civil Dark: 17:21 - 07:22. Nautical Dark: 18:02 - 06:41. Astro Dark: 18:42 - 06:02

Total Clouds (% Sky Obscured)

99
99
100
100
97
93
91
74
45
51
73
86
100
100
100
100
94
88
86
89
87
85
82
87

Low Clouds (% Sky Obscured)

92
88
84
81
82
84
85
58
32
5
20
30
40
53
70
87
84
81
78
70
61
56
67
75

Medium Clouds (% Sky Obscured)

87
73
42
20
29
79
87
70
19
27
60
78
100
100
100
74
61
44
30
34
33
18
36
55

High Clouds (% Sky Obscured)

41
42
55
65
51
49
34
50
17
23
68
80
100
100
100
100
67
33
0
0
1
1
8
32

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

41
36
29
15
19
24
29
27
29
50
72
51
16
21
34
44
80
93
86
72
53
16
30
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
5
5
4
5
5
6
7
7
8
9
10
10
9
10
11
13
12
11
10
8
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
93
93
93
91
88
88
91
94
90
85
86
83
82
75
73
71
70
74
79
83
83

Pressure (mb)

987
987
987
988
988
988
988
988
988
988
988
988
988
989
989
989
989
990
990
990
991
991
991
992

Ozone (du)

389
392
389
388
386
386
387
389
391
388
385
385
386
385
383
385
388
391
394
398
400
402
404
408

Friday 23

Waxing Crescent 34%

09:58

22:32

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:58, Set: 16:46, Transit: 12:22. Moon - Rise: 09:58, Set: 22:32. Civil Dark: 17:23 - 07:21. Nautical Dark: 18:04 - 06:40. Astro Dark: 18:43 - 06:01

Total Clouds (% Sky Obscured)

93
95
96
99
99
100
100
97
92
85
69
50
24
13
5
2
10
18
29
52
79
98
99
100

Low Clouds (% Sky Obscured)

87
77
74
70
70
66
56
50
52
59
61
50
24
13
5
2
10
18
29
52
75
82
75
71

Medium Clouds (% Sky Obscured)

78
84
91
97
98
99
100
94
87
79
59
38
22
13
5
2
10
18
22
45
68
91
95
97

High Clouds (% Sky Obscured)

61
76
96
93
93
97
100
96
92
85
69
50
24
13
5
2
10
18
29
49
42
38
54
71

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

39
75
95
95
95
88
69
66
62
46
51
59
69
66
62
55
51
48
43
40
31
21
21
16

Precipitation Amount (mm)

0
0.4
0.7
1
0.8
0.5
0.3
0.3
0.3
0
0
0.3
0.4
0.4
0.3
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
90
90
93
94
93
93
94
94
94
94
94
93
88
83
79
82
82
84
85
90
93
93

Pressure (mb)

993
993
993
994
994
994
994
995
995
996
996
997
997
998
998
999
999
1000
1000
1000
1000
1001
1001
1001

Ozone (du)

412
417
417
417
417
419
420
422
421
421
421
422
423
425
425
425
426
426
425
425
427
428
430
432

Saturday 24

Waxing Crescent 45%

10:11

23:54

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
16 Bad
17 Bad

Sun - Rise: 07:57, Set: 16:48, Transit: 12:22. Moon - Rise: 10:11, Set: 23:54. Civil Dark: 17:25 - 07:20. Nautical Dark: 18:05 - 06:39. Astro Dark: 18:45 - 06:00

Total Clouds (% Sky Obscured)

100
98
98
97
95
93
91
97
97
98
97
96
96
94
94
94
96
98
100
100
100
100

Low Clouds (% Sky Obscured)

82
87
88
86
84
81
78
84
90
96
89
79
76
76
78
84
91
96
100
100
100
99

Medium Clouds (% Sky Obscured)

100
84
70
55
47
39
21
17
12
7
31
55
76
69
65
60
55
55
45
44
60
79

High Clouds (% Sky Obscured)

87
79
70
55
70
85
91
69
37
7
15
23
32
34
34
35
18
12
10
11
12
13

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

Fog (%)

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

Precipitation Probability (%)

13
17
14
2
4
3
2
3
3
0
2
1
0
1
1
0
9
12
13
14
14
15

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
2
2
2
2

Relative Humidity (%)

93
93
93
94
96
96
96
96
96
94
94
94
96
96
94
93
89
86
85
83
83
82

Pressure (mb)

1002
1002
1003
1003
1003
1004
1004
1004
1004
1004
1005
1005
1006
1006
1006
1006
1007
1007
1007
1007
1007
1008

Ozone (du)

435
437
440
442
445
443
441
440
439
439
439
439
439
440
438
437
436
437
438
439
439
439

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

Generated: 18/01/26 20:28:31. Forecast: 18/01/26 to 24/01/26. Timezone: UTC+0.00