Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 26

First Quarter 57%

10:44

02:40

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

Sun - Rise: 07:47, Set: 16:42, Transit: 12:15. Moon - Rise: 10:44, Set: 02:40. Civil Dark: 17:19 - 07:10. Nautical Dark: 17:59 - 06:30. Astro Dark: 18:38 - 05:50

Total Clouds (% Sky Obscured)

91
93
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
100

Low Clouds (% Sky Obscured)

87
83
94
83
82
95
100
83
83
83
100
92
91
89
91
92
100
98
68
67
61
68
81
79

Medium Clouds (% Sky Obscured)

91
92
95
100
100
100
100
96
100
100
100
100
100
100
100
100
99
100
100
100
100
100
39
43

High Clouds (% Sky Obscured)

91
93
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
45

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
21
46
72
83
95
88
94
95
95
95
95
95
95
95
95
94
53
67
15
10
22

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.3
0.7
0.4
0.3
1.3
2.4
2.5
2.7
2.4
2.4
1.8
2
0.5
0.2
0.5
0
0
0

Wind Speed/Direction (mph)

10
10
10
12
12
13
15
17
18
19
20
21
22
22
21
21
20
18
16
13
16
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
85
85
85
86
88
90
90
88
90
90
91
93
91
93
93
95
93
81
78
80
80

Pressure (mb)

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

Ozone (du)

396
386
380
379
373
373
373
371
371
370
368
365
366
361
358
361
361
360
360
363
364
367
374
376

Tuesday 27

Waxing Gibbous 68%

11:19

04:08

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: 07:45, Set: 16:43, Transit: 12:15. Moon - Rise: 11:19, Set: 04:08. Civil Dark: 17:20 - 07:09. Nautical Dark: 18:01 - 06:28. Astro Dark: 18:40 - 05:49

Total Clouds (% Sky Obscured)

74
58
50
42
53
55
69
73
86
87
89
78
75
72
77
67
54
51
65
72
97
97
88
95

Low Clouds (% Sky Obscured)

74
58
50
42
46
55
64
72
75
78
81
78
75
71
75
63
48
47
40
58
67
95
87
81

Medium Clouds (% Sky Obscured)

4
38
50
42
25
55
63
55
67
69
19
50
59
65
65
67
4
5
17
15
50
55
40
50

High Clouds (% Sky Obscured)

5
2
0
0
1
1
1
1
0
1
0
0
5
16
18
4
0
0
0
4
70
0
24
75

ISS Passover

Visibility (miles)

9
5
9
9
9
6
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 (%)

33
26
12
21
45
29
4
0
0
0
3
4
2
0
0
0
0
0
1
5
28
52
52
21

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
10
8
9
8
5
4
4
3
2
4
3
3
4
4
4
4
5
7
10
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
85
85
90
93
94
93
94
94
94
93
93
94
91
91
91
91
91
86
84
82
78
75
79

Pressure (mb)

985
986
986
987
988
989
990
990
991
992
992
993
993
993
993
993
994
994
994
995
994
994
994
994

Ozone (du)

381
394
406
416
422
429
435
441
444
448
448
454
459
462
471
479
479
481
477
473
473
469
469
468

Wednesday 28

Waxing Gibbous 79%

12:10

05:29

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: 07:44, Set: 16:45, Transit: 12:15. Moon - Rise: 12:10, Set: 05:29. Civil Dark: 17:22 - 07:08. Nautical Dark: 18:02 - 06:27. Astro Dark: 18:41 - 05:48

Total Clouds (% Sky Obscured)

95
64
47
95
95
94
80
92
86
75
74
72
62
94
67
85
91
88
86
93
95
98
99
100

Low Clouds (% Sky Obscured)

89
54
47
65
47
39
55
47
66
70
51
54
62
77
67
77
82
80
76
72
84
92
98
100

Medium Clouds (% Sky Obscured)

50
13
0
0
30
24
9
28
27
25
24
22
20
20
13
25
30
31
28
34
35
35
30
30

High Clouds (% Sky Obscured)

0
0
1
65
60
3
40
79
62
70
3
0
1
33
2
2
1
29
7
48
32
17
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
Very Light Rain
Light Rain

Precipitation Probability (%)

19
12
2
0
2
0
3
12
12
2
0
2
11
16
9
1
4
22
23
23
26
41
61
74

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
0.2
0.4

Wind Speed/Direction (mph)

7
7
6
6
7
8
8
8
8
8
8
9
9
10
9
10
10
11
13
14
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
90
91
91
91
93
93
94
96
96
94
96
94
96
96
98
96
96
90
85
81
79
76
78

Pressure (mb)

994
995
995
995
995
995
995
995
995
995
994
994
994
994
994
994
994
994
993
993
993
992
991
991

Ozone (du)

463
466
469
473
478
474
470
471
474
480
480
478
476
472
468
460
441
423
412
407
398
375
364
363

Thursday 29

Waxing Gibbous 88%

13:20

06:33

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: 07:42, Set: 16:47, Transit: 12:16. Moon - Rise: 13:20, Set: 06:33. Civil Dark: 17:23 - 07:06. Nautical Dark: 18:04 - 06:26. Astro Dark: 18:43 - 05:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
96
92
88
89
89
88
89
91
92
77
65
47
50
54
50
70

Low Clouds (% Sky Obscured)

100
100
99
99
98
93
89
85
82
79
78
77
77
78
78
78
77
66
59
45
49
53
48
35

Medium Clouds (% Sky Obscured)

40
50
70
92
100
81
88
100
89
85
80
82
82
48
37
34
37
26
14
0
0
0
5
56

High Clouds (% Sky Obscured)

0
0
0
5
5
0
8
10
8
6
7
1
15
1
2
0
1
0
0
0
0
1
0
33

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

83
83
71
56
33
37
41
38
45
48
55
53
48
45
55
61
70
57
40
8
7
8
13
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
13
13
13
13
12
11
10
10
10
10
10
10
10
9
7
5
10
12
11
12
12
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
81
83
79
79
85
90
91
90
90
91
93
93
93
94
94
96
94
91
84
78
74
74
84

Pressure (mb)

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

Ozone (du)

364
362
360
358
362
364
365
366
366
368
368
370
371
377
386
393
391
394
400
397
394
399
401
398

Friday 30

Waxing Gibbous 95%

14:46

07:18

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: 07:41, Set: 16:49, Transit: 12:16. Moon - Rise: 14:46, Set: 07:18. Civil Dark: 17:25 - 07:05. Nautical Dark: 18:05 - 06:25. Astro Dark: 18:44 - 05:46

Total Clouds (% Sky Obscured)

86
100
100
100
100
100
100
100
96
93
89
93
96
98
75
78
79
82
84
88
89
92
94
71

Low Clouds (% Sky Obscured)

44
35
36
43
53
55
60
63
67
70
74
83
91
98
75
74
73
74
76
78
72
68
62
55

Medium Clouds (% Sky Obscured)

82
100
63
100
67
88
100
96
93
51
49
60
73
78
16
44
71
79
84
88
89
92
94
71

High Clouds (% Sky Obscured)

60
91
91
90
85
75
84
75
57
39
25
25
20
10
37
45
32
20
18
15
15
15
15
9

ISS Passover

Visibility (miles)

9
9
5
9
9
4
9
9
9
9
9
9
9
9
9
8
6
4
5
5
6
7
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
Very Light Rain
None
None
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

22
50
41
25
50
41
37
33
43
51
54
59
80
86
17
30
45
57
73
95
85
61
36
28

Precipitation Amount (mm)

0
0.2
0
0
0.2
0
0
0
0
0.2
0.3
0.3
0.7
0.7
0
0
0
0.2
0.4
1.1
0.7
0.3
0
0

Wind Speed/Direction (mph)

12
11
11
10
9
11
13
12
12
12
12
11
10
10
9
5
5
5
5
6
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
90
91
88
88
86
86
84
85
85
88
90
91
91
89
88
86
90
91
93
93
91
90

Pressure (mb)

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

Ozone (du)

404
407
413
417
422
422
425
428
427
427
426
426
429
431
433
435
437
439
439
439
438
441
443
445

Saturday 31

Waxing Gibbous 99%

No Rise

07:48

16 Bad
17 OK
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: 07:39, Set: 16:51, Transit: 12:16. Moon - Rise: No Rise, Set: 07:48. Civil Dark: 17:27 - 07:03. Nautical Dark: 18:07 - 06:23. Astro Dark: 18:46 - 05:44

Total Clouds (% Sky Obscured)

47
27
51
75
99
99
100
100
100
99
99
97
93
90
91
92
91
91
87
82
70
60
46
50

Low Clouds (% Sky Obscured)

45
27
51
61
72
64
57
50
58
69
78
83
85
83
87
92
91
88
76
64
54
44
34
41

Medium Clouds (% Sky Obscured)

47
27
49
33
15
32
54
76
80
85
92
86
77
46
29
16
6
5
2
2
24
42
46
50

High Clouds (% Sky Obscured)

9
17
23
24
30
24
16
4
0
0
0
0
1
0
7
15
25
33
38
45
40
45
46
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
9
9
8
7

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 (%)

19
6
6
4
3
3
3
5
9
19
32
39
44
40
32
23
14
16
16
16
23
30
40
45

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
3
3
3
3
3
3
4
4
4
4
4
4
4
4
5
5
6
7
8
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
88
90
89
89
91
91
91
93
93
94
94
96
96
96
96
94
93
93
90
90
88
87

Pressure (mb)

998
998
998
998
998
998
998
998
998
997
997
997
997
996
996
996
996
996
996
995
995
995
994
994

Ozone (du)

450
455
459
462
464
466
462
458
454
444
434
424
423
422
421
422
423
424
420
415
410
411
411
411

Sunday 1

Full Moon 100%

16:16

08:08

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: 07:38, Set: 16:52, Transit: 12:16. Moon - Rise: 16:16, Set: 08:08. Civil Dark: 17:28 - 07:02. Nautical Dark: 18:09 - 06:22. Astro Dark: 18:48 - 05:43

Total Clouds (% Sky Obscured)

64
72
73
75
75
71
66
58
68
85
93
97
99
98
99
99
100
100
100
99

Low Clouds (% Sky Obscured)

49
57
59
64
70
65
56
52
61
72
87
87
88
90
91
92
96
93
91
83

Medium Clouds (% Sky Obscured)

64
72
73
66
57
39
20
3
2
1
0
0
0
0
12
23
35
34
33
36

High Clouds (% Sky Obscured)

35
55
43
25
12
12
13
12
8
6
6
26
45
65
75
81
90
59
34
12

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

51
64
58
54
47
40
33
26
26
24
19
18
22
27
23
16
5
12
15
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
94
96
94
96
94
94
94
94
94
96
96
96
96
96
96
94
94
94

Pressure (mb)

994
994
993
994
994
994
993
993
993
993
993
993
992
992
992
992
991
991
991
991

Ozone (du)

411
412
412
413
414
415
414
414
413
412
412
411
410
409
409
407
406
405
403
401

Forecast for Bray Court, Windsor and Maidenhead, United Kingdom (51.50,-0.70)

Generated: 26/01/26 16:11:39. Forecast: 26/01/26 to 01/02/26. Timezone: UTC+0.00