Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 8%

09:15

19:45

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
20 Bad
21 Bad

Sun - Rise: 07:54, Set: 16:33, Transit: 12:14. Moon - Rise: 09:15, Set: 19:45. Civil Dark: 17:11 - 07:17. Nautical Dark: 17:52 - 06:36. Astro Dark: 18:31 - 05:56

Total Clouds (% Sky Obscured)

89
91
93
95
74
71
91
91
92
99
100
100
100
100
100
100
100
100
100
93
100
94
96
99

Low Clouds (% Sky Obscured)

89
74
60
74
64
57
57
60
51
86
100
94
91
100
100
94
100
94
97
87
86
92
93
93

Medium Clouds (% Sky Obscured)

89
91
93
60
15
13
55
84
89
78
93
98
98
100
100
100
98
49
99
86
100
43
70
98

High Clouds (% Sky Obscured)

89
38
0
0
0
3
0
0
2
3
31
48
49
100
100
98
100
57
63
69
56
55
70
67

ISS Passover

Visibility (miles)

3
9
8
9
8
9
9
9
9
9
9
8
3
6
9
4
9
7
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
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
None
None
None
None

Precipitation Probability (%)

95
95
95
35
16
10
3
15
36
43
68
95
95
95
95
95
95
95
59
74
39
48
43
25

Precipitation Amount (mm)

0.7
0.7
0.9
0
0
0
0
0
0
0
0
1
1.4
1.1
1.4
1
0.9
0.5
0
0.4
0
0
0
0

Wind Speed/Direction (mph)

16
14
12
10
11
11
11
9
11
12
13
14
18
19
20
19
18
18
18
18
18
18
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1000
998
998
998
998
998
997
996
995
994
993
991
990
990
989
988
988
988
988
987
987
987
987
987

Ozone (du)

332
337
352
358
366
357
360
367
369
369
370
376
378
378
378
377
375
374
371
369
368
367
366
364

Wednesday 21

Waxing Crescent 15%

09:27

21:04

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
20 Bad
21 Bad

Sun - Rise: 07:53, Set: 16:35, Transit: 12:14. Moon - Rise: 09:27, Set: 21:04. Civil Dark: 17:12 - 07:16. Nautical Dark: 17:53 - 06:35. Astro Dark: 18:33 - 05:55

Total Clouds (% Sky Obscured)

99
95
96
100
98
99
100
100
100
100
100
95
100
96
89
95
97
100
79
92
93
89
80
64

Low Clouds (% Sky Obscured)

98
90
84
85
84
82
88
78
91
86
95
92
100
90
71
79
97
98
72
82
89
88
80
64

Medium Clouds (% Sky Obscured)

91
80
94
54
55
84
75
48
50
45
40
35
40
38
89
95
38
38
8
25
33
42
0
0

High Clouds (% Sky Obscured)

75
70
70
84
77
98
50
52
38
60
65
1
2
14
4
45
2
2
0
9
1
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
5
9
9
9
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
0
0
0

Precipitation Type

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

Precipitation Probability (%)

13
11
19
36
50
49
54
34
40
43
31
31
53
62
52
46
68
83
42
20
23
18
8
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
16
15
13
12
11
11
12
12
12
13
13
13
13
13
12
11
11
11
11
8
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

987
988
988
988
988
988
988
988
988
988
988
988
988
988
987
987
987
987
988
988
989
989
989
989

Ozone (du)

367
366
363
360
357
355
354
355
358
361
366
370
371
371
371
370
373
374
369
372
380
385
385
380

Thursday 22

Waxing Crescent 23%

09:38

No Set

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
20 Bad
21 Bad

Sun - Rise: 07:52, Set: 16:37, Transit: 12:14. Moon - Rise: 09:38, Set: No Set. Civil Dark: 17:14 - 07:15. Nautical Dark: 17:55 - 06:34. Astro Dark: 18:34 - 05:54

Total Clouds (% Sky Obscured)

57
89
100
89
93
80
91
100
100
100
100
100
100
100
97
98
99
91
58
91
79
68
58
68

Low Clouds (% Sky Obscured)

55
59
71
63
47
63
72
83
61
74
85
83
82
84
91
69
66
77
58
55
57
56
55
48

Medium Clouds (% Sky Obscured)

0
53
52
65
82
80
91
100
100
100
100
98
100
100
95
98
96
30
0
30
25
12
1
68

High Clouds (% Sky Obscured)

24
79
100
79
86
60
38
57
100
100
100
100
76
71
16
0
0
0
0
0
0
0
0
3

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

1
0
0
0
5
11
20
6
36
55
70
91
88
64
61
41
18
31
26
9
5
8
3
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.3
0.6
0.6
0.2
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
6
8
9
10
11
12
14
15
16
16
16
12
13
13
13
12
12
11
10
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
93
93
93
91
88
86
88
90
93
93
93
85
82
79
78
81
85
85
86
85
86

Pressure (mb)

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

Ozone (du)

377
375
374
373
371
372
374
376
377
376
375
375
378
382
385
386
388
390
392
394
395
397
400
402

Friday 23

Waxing Crescent 34%

09:50

22:24

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 OK
19 OK
20 OK
21 Bad

Sun - Rise: 07:51, Set: 16:38, Transit: 12:14. Moon - Rise: 09:50, Set: 22:24. Civil Dark: 17:15 - 07:14. Nautical Dark: 17:56 - 06:33. Astro Dark: 18:36 - 05:53

Total Clouds (% Sky Obscured)

64
52
64
72
76
77
71
73
70
69
69
71
72
71
64
65
61
58
49
46
41
35
28
52

Low Clouds (% Sky Obscured)

47
45
58
63
69
70
70
66
65
66
69
67
67
67
56
50
49
49
45
43
39
34
26
31

Medium Clouds (% Sky Obscured)

54
5
0
11
1
10
18
24
16
10
13
5
48
69
9
9
33
7
4
1
1
1
0
4

High Clouds (% Sky Obscured)

6
8
9
8
5
5
2
0
0
2
9
3
17
23
4
35
32
6
2
1
0
0
0
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 (%)

2
1
6
5
7
4
3
2
2
1
1
2
2
0
2
4
0
0
0
0
1
2
2
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
12
12
12
11
11
10
11
11
11
12
12
11
13
13
14
13
13
12
13
13
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
86
85
83
85
86
88
89
89
89
80
82
82
82
79
78
78
79
80
79
79
80
82

Pressure (mb)

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

Ozone (du)

404
407
408
409
409
410
410
410
409
408
406
405
405
405
407
408
408
409
411
412
418
419
420
419

Saturday 24

Waxing Crescent 45%

10:04

23:46

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
20 Bad
21 Bad

Sun - Rise: 07:49, Set: 16:40, Transit: 12:15. Moon - Rise: 10:04, Set: 23:46. Civil Dark: 17:17 - 07:13. Nautical Dark: 17:58 - 06:32. Astro Dark: 18:37 - 05:52

Total Clouds (% Sky Obscured)

56
58
68
79
88
91
95
100
100
99
99
98
98
98
99
98
96
97
97
95
97
98
100
99

Low Clouds (% Sky Obscured)

56
58
64
71
76
80
85
91
90
88
87
90
94
97
96
96
95
96
97
95
94
89
84
87

Medium Clouds (% Sky Obscured)

45
11
40
40
40
36
42
96
62
62
70
75
80
75
71
58
38
42
54
66
61
54
48
36

High Clouds (% Sky Obscured)

10
14
25
41
59
61
69
100
81
81
77
52
29
3
2
2
2
11
22
36
29
18
5
4

ISS Passover

Visibility (miles)

9
9
2
7
6
5
7
9
9
9
9
9
9
9
8
8
9
9
9
8
8
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
None
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
71
70
51
58
44
35
30
28
25
30
43
58
69
93
74
39
37
33
30
29
28
28
28

Precipitation Amount (mm)

0
0.5
0.4
0
0.3
0
0
0
0
0
0
0
0.3
0.6
0.9
0.6
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
16
17
16
16
14
13
12
11
10
10
9
10
10
10
10
10
9
8
7
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
86
93
93
93
93
93
93
93
94
93
91
86
81
82
84
85
88
91
93
93
93
94

Pressure (mb)

993
993
992
992
992
992
992
992
992
992
993
994
994
995
995
995
996
996
997
997
998
999
1000
1000

Ozone (du)

418
419
419
420
422
422
422
421
422
424
425
427
426
426
427
426
426
425
426
427
428
429
429
430

Sunday 25

Waxing Crescent 57%

10:21

01:11

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
20 Bad
21 Bad

Sun - Rise: 07:48, Set: 16:42, Transit: 12:15. Moon - Rise: 10:21, Set: 01:11. Civil Dark: 17:19 - 07:11. Nautical Dark: 17:59 - 06:31. Astro Dark: 18:38 - 05:51

Total Clouds (% Sky Obscured)

97
96
96
95
95
90
84
81
83
86
88
93
97
100
92
85
79
86
92
100
99
98
96
98

Low Clouds (% Sky Obscured)

90
93
92
91
90
86
82
81
83
86
88
92
96
100
90
78
65
77
88
100
99
98
96
98

Medium Clouds (% Sky Obscured)

21
10
9
9
10
6
3
0
0
0
0
1
2
2
3
2
3
15
24
50
80
95
95
90

High Clouds (% Sky Obscured)

3
2
1
0
0
3
6
10
7
3
0
1
0
0
0
0
0
0
5
15
25
40
50
64

ISS Passover

Visibility (miles)

9
9
9
6
3
0
0
0
0
2
4
5
6
7
8
9
9
9
9
9
9
7
5
3

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
Light Rain

Precipitation Probability (%)

26
18
18
20
22
20
14
6
10
8
1
5
5
2
6
7
4
10
12
11
21
33
49
86

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
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
94
96
96
96
96
96
98
96
96
96
93
89
88
85
83
83
85
88
89
89
91
91

Pressure (mb)

1001
1002
1002
1003
1003
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1004
1004
1003
1002
1001
1001
1000
999
998

Ozone (du)

430
431
431
430
429
428
427
425
424
421
417
414
413
413
412
420
427
434
418
401
385
382
379
376

Monday 26

First Quarter 68%

10:44

02:40

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: 07:47, Set: 16:43, Transit: 12:15. Moon - Rise: 10:44, Set: 02:40. Civil Dark: 17:20 - 07:10. Nautical Dark: 18:01 - 06:30. Astro Dark: 18:40 - 05:50

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
99
99
92
84
76
67
50
51

Low Clouds (% Sky Obscured)

99
100
100
100
100
99
99
95
89
80
76
72
71
71
75
78
76
67
50
51

Medium Clouds (% Sky Obscured)

95
95
93
95
100
100
100
100
100
100
100
100
99
99
70
47
30
28
44
41

High Clouds (% Sky Obscured)

79
93
95
97
100
100
100
100
100
100
100
94
88
80
69
75
76
67
50
51

ISS Passover

Visibility (miles)

4
6
7
7
6
6
7
8
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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
93
89
76
54
48
43
43
48
52
56
58
58
55
50
43
33

Precipitation Amount (mm)

0.8
0.8
0.7
0.6
0.5
0.5
0.4
0
0
0.1
0.1
0.1
0.2
0
0.2
0.2
0
0
0
0

Wind Speed/Direction (mph)

11
12
13
12
12
11
11
14
18
17
17
16
15
14
13
13
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
94
96
96
91
84
80
81
82
83
82
77
76
75
73
71
73
73

Pressure (mb)

996
995
994
992
991
990
990
990
989
990
990
990
990
991
991
991
992
992
992
993

Ozone (du)

377
377
378
380
382
383
387
391
394
401
408
414
419
423
428
429
430
431
431
431

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

Generated: 20/01/26 22:57:58. Forecast: 20/01/26 to 26/01/26. Timezone: UTC+0.00