Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 25

Waxing Crescent 45%

09:59

01:11

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: 07:48, Set: 16:35, Transit: 12:12. Moon - Rise: 09:59, Set: 01:11. Civil Dark: 17:12 - 07:11. Nautical Dark: 17:54 - 06:29. Astro Dark: 18:34 - 05:49

Total Clouds (% Sky Obscured)

98
98
99
96
84
98
100
100
100
100
100
92
89
73
76
86
86
92
93
97
93
78
71
94

Low Clouds (% Sky Obscured)

94
96
99
91
78
98
100
100
100
100
100
92
89
72
74
85
86
92
93
97
93
78
71
94

Medium Clouds (% Sky Obscured)

44
28
37
25
8
2
2
2
5
5
5
5
5
4
4
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
1
2
2
2
2
2
15
30
35
30
18
3
12
1
2
2
0
0
0
0
3
3
5

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
5
1
0
0
3
0
0
0
0
5
3
1
1
0
0
0
6
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
90
91
90
88
87
88
90
90
90
88
88
86
86
86
86
91
91
94
94
93
94
94

Pressure (mb)

993
994
994
994
994
994
995
995
995
996
997
998
998
999
999
1000
1000
1000
1001
1001
1001
1001
1001
1002

Ozone (du)

429
427
427
426
424
423
428
432
435
436
436
436
439
440
443
446
448
454
457
453
449
444
444
445

Monday 26

First Quarter 57%

10:15

02:41

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: 07:47, Set: 16:37, Transit: 12:12. Moon - Rise: 10:15, Set: 02:41. Civil Dark: 17:14 - 07:09. Nautical Dark: 17:55 - 06:28. Astro Dark: 18:35 - 05:48

Total Clouds (% Sky Obscured)

94
89
100
100
100
95
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

93
81
75
61
87
86
84
53
77
89
60
62
59
56
80
80
100
97
100
93
100
100
100
100

Medium Clouds (% Sky Obscured)

0
17
74
94
88
37
42
52
51
100
100
100
100
100
100
100
100
100
100
86
79
90
100
100

High Clouds (% Sky Obscured)

71
60
98
100
75
60
64
100
100
100
100
100
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
8
3
2
4
4
4
7
9
7
3
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
2
10
12
36
91
95
95
95
95
95
83
86
95
95
60

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
1.1
0.9
0.8
0.9
1.1
0.3
0.3
1.4
0.7
0

Wind Speed/Direction (mph)

4
6
7
8
9
11
11
12
12
11
12
14
15
14
15
16
17
17
19
20
22
21
21
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
86
82
80
79
82
83
85
83
83
86
89
91
90
91
94
94
94
94
93
93
93
93
93

Pressure (mb)

1002
1002
1002
1001
1000
999
999
999
999
999
999
997
996
996
994
993
992
990
989
987
985
984
983
982

Ozone (du)

444
448
446
438
435
422
407
398
392
386
382
378
375
374
370
368
366
367
365
366
366
365
366
367

Tuesday 27

Waxing Gibbous 68%

10:38

04:10

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

Sun - Rise: 07:45, Set: 16:38, Transit: 12:13. Moon - Rise: 10:38, Set: 04:10. Civil Dark: 17:16 - 07:08. Nautical Dark: 17:57 - 06:27. Astro Dark: 18:37 - 05:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
84
81
64
63
28
57
51
36
50
51
30
35
26
66
58
74
95
94

Low Clouds (% Sky Obscured)

90
94
84
76
70
83
68
68
51
39
1
16
20
27
34
27
30
35
26
39
39
41
47
51

Medium Clouds (% Sky Obscured)

100
100
100
100
52
98
27
0
0
4
24
48
36
12
19
14
0
6
0
2
0
4
50
50

High Clouds (% Sky Obscured)

100
100
100
100
100
100
55
55
30
0
0
25
13
4
4
0
0
0
0
55
47
43
89
85

ISS Passover

Visibility (miles)

9
9
4
4
2
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
Light Rain
Light Rain
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
83
95
95
86
30
15
2
6
0
0
1
2
0
0
0
0
1
2
0
0
0
1
0

Precipitation Amount (mm)

0
0.4
1.1
1
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)

20
19
20
19
19
19
21
22
22
22
22
19
19
16
15
14
13
12
12
11
10
10
11
11

Chance of Frost

Temperature (°C)

6
6
7
7
8
9
10
9
8
7
6
6
5
5
5
5
5
4
4
4
4
4
4
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
93
93
81
76
73
74
74
72
72
76
76
76
72
71
73
75
76
79
76
77
82

Pressure (mb)

981
980
980
979
978
978
978
978
979
980
982
983
984
985
986
987
988
989
990
990
991
991
991
992

Ozone (du)

367
367
363
360
360
366
366
369
374
385
396
413
428
439
445
451
448
449
454
458
468
471
469
470

Wednesday 28

Waxing Gibbous 79%

11:11

05:32

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK
16 Good
17 Good
18 OK
19 Good
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: 07:44, Set: 16:40, Transit: 12:13. Moon - Rise: 11:11, Set: 05:32. Civil Dark: 17:17 - 07:07. Nautical Dark: 17:59 - 06:26. Astro Dark: 18:38 - 05:46

Total Clouds (% Sky Obscured)

96
98
100
79
66
22
38
10
3
41
6
53
61
65
66
73
85
100
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

46
44
50
37
31
22
16
8
0
2
4
5
13
22
31
32
32
32
35
45
58
70
71
88

Medium Clouds (% Sky Obscured)

67
83
100
73
60
2
0
0
0
0
0
1
50
50
50
19
47
100
99
87
52
73
100
100

High Clouds (% Sky Obscured)

73
62
52
17
18
1
11
1
1
15
1
20
15
1
15
28
48
60
38
13
25
23
21
15

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
1
0
0
0
0
0
0
0
0
0
0
3
3
1
2
2
1
2
5
7
17
25
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)

12
12
12
12
13
13
13
12
11
11
11
10
10
12
12
12
12
12
12
12
13
13
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
75
75
75
74
73
74
77
83
83
83
83
82
82
82
82
83
85
83
86
86
86
86
88

Pressure (mb)

992
992
992
992
992
992
992
992
993
993
993
993
993
992
992
992
991
991
991
990
990
989
989
989

Ozone (du)

477
480
481
478
471
472
467
471
473
474
471
478
483
484
484
481
472
474
450
419
367
356
352
350

Thursday 29

Waxing Gibbous 88%

12:01

06:36

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: 07:42, Set: 16:42, Transit: 12:13. Moon - Rise: 12:01, Set: 06:36. Civil Dark: 17:19 - 07:05. Nautical Dark: 18:00 - 06:24. Astro Dark: 18:40 - 05:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
78
79
100
100
83
84
92
92
98
96
94
93
95
97
100

Low Clouds (% Sky Obscured)

91
95
100
93
86
76
83
91
98
78
76
71
65
64
66
70
73
77
80
83
86
81
75
70

Medium Clouds (% Sky Obscured)

87
73
55
63
78
100
100
100
100
58
57
100
100
48
53
68
79
88
78
60
25
45
64
76

High Clouds (% Sky Obscured)

8
15
15
50
56
70
53
28
0
4
8
11
33
54
75
81
83
85
67
46
29
58
81
100

ISS Passover

Visibility (miles)

9
9
9
9
9
3
9
5
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

30
23
7
29
62
54
57
75
94
86
76
45
47
49
51
60
41
10
12
9
2
3
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
83
84
88
88
90
91
91
93
90
91
88
90
85
87
87
87
87
88
88
88
88
90
88

Pressure (mb)

988
988
987
986
985
984
984
983
983
983
983
983
982
982
982
982
983
983
983
983
984
984
985
985

Ozone (du)

350
355
360
366
372
374
372
373
374
375
376
381
386
390
393
390
392
393
394
396
398
400
402
404

Friday 30

Waxing Gibbous 95%

13:12

07:20

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
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: 07:41, Set: 16:44, Transit: 12:13. Moon - Rise: 13:12, Set: 07:20. Civil Dark: 17:21 - 07:04. Nautical Dark: 18:02 - 06:23. Astro Dark: 18:41 - 05:43

Total Clouds (% Sky Obscured)

100
100
100
99
98
99
86
75
65
54
43
32
55
77
100
98
97
98
99
100
100
99
99
97

Low Clouds (% Sky Obscured)

71
65
66
61
56
49
44
44
44
36
31
22
36
48
59
68
77
85
90
95
99
93
86
81

Medium Clouds (% Sky Obscured)

75
70
70
66
55
56
52
41
30
35
43
32
55
77
100
97
93
88
74
57
39
57
71
82

High Clouds (% Sky Obscured)

92
83
75
69
63
55
41
26
8
2
1
1
34
67
100
89
78
68
62
57
51
49
45
42

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
6
8
9
9
9
9
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain

Precipitation Probability (%)

8
11
9
36
46
55
47
38
39
31
19
2
15
30
51
81
86
73
62
42
7
27
42
55

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
84
81
82
81
81
82
85
90
88
88
90
90
90
89
90
89
89
89
91
89
91
93

Pressure (mb)

986
986
987
987
987
987
987
988
988
989
989
989
989
988
988
988
987
987
987
987
987
987
988
988

Ozone (du)

405
407
409
411
411
412
412
417
421
426
423
419
416
418
420
421
424
426
428
431
434
436
437
438

Saturday 31

Waxing Gibbous 99%

14:39

07:49

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 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:39, Set: 16:46, Transit: 12:13. Moon - Rise: 14:39, Set: 07:49. Civil Dark: 17:22 - 07:02. Nautical Dark: 18:03 - 06:22. Astro Dark: 18:43 - 05:42

Total Clouds (% Sky Obscured)

97
96
96
92
88
85
89
94
99
95
91
87
63
40
19
30
40
56
60
64
72

Low Clouds (% Sky Obscured)

85
89
94
81
69
56
66
76
86
75
63
52
38
25
12
28
40
56
48
37
26

Medium Clouds (% Sky Obscured)

59
35
14
18
25
29
37
34
32
34
20
15
8
5
2
4
6
10
24
39
62

High Clouds (% Sky Obscured)

36
37
38
49
53
64
74
86
95
75
59
38
24
12
0
2
3
5
4
3
2

ISS Passover

Visibility (miles)

5
6
8
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

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 (%)

45
38
36
31
27
24
21
17
3
6
9
9
13
12
9
4
5
0
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
90
86
82
82
81
79
82
85
87
88
88
91
91
93
94
94
94
94
94
94

Pressure (mb)

989
989
990
990
991
991
992
993
994
994
995
996
997
997
998
998
998
999
999
999
999

Ozone (du)

439
440
441
441
442
442
443
444
445
446
447
448
448
448
447
447
447
447
447
446
446

Forecast for Bourn, Cambridgeshire, United Kingdom (52.20,-0.05)

Generated: 25/01/26 09:03:02. Forecast: 25/01/26 to 31/01/26. Timezone: UTC+0.00