Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Crescent 23%

09:40

21:05

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: 07:53, Set: 16:36, Transit: 12:15. Moon - Rise: 09:40, Set: 21:05. Civil Dark: 17:13 - 07:16. Nautical Dark: 17:54 - 06:35. Astro Dark: 18:34 - 05:55

Total Clouds (% Sky Obscured)

100
96
100
99
100
92
60
72
68
87
100
100
100
100
100
100
100
100
100
100
100
100
83
57

Low Clouds (% Sky Obscured)

83
84
87
97
87
86
60
72
68
65
62
74
67
75
76
81
85
94
92
78
64
67
67
57

Medium Clouds (% Sky Obscured)

87
50
96
46
50
71
0
0
2
44
100
99
90
100
100
83
100
100
100
100
30
34
24
0

High Clouds (% Sky Obscured)

73
48
74
4
3
0
0
55
42
25
55
60
100
53
100
85
100
53
4
3
40
0
0
0

ISS Passover

Visibility (miles)

1
9
6
9
8
9
9
9
9
9
9
9
9
9
9
9
4
9
9
9
9
9
9
9

Fog (%)

0
0
0
8
4
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
47
36
16
8
5
2
3
0
2
6
18
46
71
82
81
72
45
26
24
30
42

Precipitation Amount (mm)

2.9
1.5
0.9
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.4
0
0
0
0
0.2

Wind Speed/Direction (mph)

10
9
8
8
7
8
10
7
7
7
8
9
12
14
15
16
17
17
16
14
17
16
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
94
98
96
93
94
96
96
96
96
94
91
91
90
91
93
91
84
79
77
78
81

Pressure (mb)

984
984
984
984
984
985
986
986
986
987
986
986
985
984
984
984
984
984
984
984
984
985
984
985

Ozone (du)

369
373
374
376
380
385
385
380
376
375
373
373
374
374
374
375
376
379
383
384
385
385
385
387

Friday 23

Waxing Crescent 23%

09:51

22:25

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: 07:52, Set: 16:38, Transit: 12:16. Moon - Rise: 09:51, Set: 22:25. Civil Dark: 17:15 - 07:15. Nautical Dark: 17:56 - 06:34. Astro Dark: 18:35 - 05:54

Total Clouds (% Sky Obscured)

70
68
61
64
68
65
46
65
74
68
61
78
79
86
91
100
100
92
92
97
100
100
100
100

Low Clouds (% Sky Obscured)

70
68
61
64
68
65
46
65
74
68
61
78
77
77
87
80
85
86
87
94
100
100
69
68

Medium Clouds (% Sky Obscured)

0
0
45
4
46
53
46
50
4
20
55
5
4
57
87
70
98
92
79
65
37
45
45
46

High Clouds (% Sky Obscured)

0
0
46
55
12
2
2
2
3
26
27
3
13
50
57
100
78
28
20
25
12
0
1
81

ISS Passover

Visibility (miles)

9
9
9
9
9
5
0
4
9
9
9
9
9
9
9
9
9
9
9
9
8
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
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None

Precipitation Probability (%)

8
16
3
16
55
78
56
46
32
24
10
21
10
15
12
26
30
47
41
43
30
26
36
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
17
17
19
19
20
20
17
18
18
16
16
16
16
15
14
14
14
14
14
15
15
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
79
79
79
85
96
91
90
88
88
88
86
83
85
86
88
88
85
79
81
79
78
81

Pressure (mb)

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

Ozone (du)

389
394
390
391
394
394
396
397
399
400
401
402
401
402
403
404
408
411
412
409
408
409
411
408

Saturday 24

Waxing Crescent 34%

10:05

23:47

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: 07:50, Set: 16:40, Transit: 12:16. Moon - Rise: 10:05, Set: 23:47. Civil Dark: 17:17 - 07:14. Nautical Dark: 17:57 - 06:33. Astro Dark: 18:37 - 05:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
89
76
97
100
100
100
100
97
97
88
88
95
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

75
88
100
87
79
76
63
75
80
67
71
80
74
71
73
80
83
86
95
90
89
86
87
94

Medium Clouds (% Sky Obscured)

49
38
38
100
100
85
75
40
100
100
100
96
52
74
28
28
57
98
100
64
100
100
100
96

High Clouds (% Sky Obscured)

70
61
60
100
40
32
58
75
86
100
100
99
36
19
3
3
2
8
45
78
60
39
17
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
38
91
90
90
90
90
90
90
90
90
90
90

Precipitation Type

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

Precipitation Probability (%)

15
33
56
59
43
30
17
9
26
48
39
21
9
5
12
11
22
86
94
68
48
43
43
40

Precipitation Amount (mm)

0
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.7
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
91
91
93
91
91
90
88
91
91
91
93
94
96
96
94
94
91
90
91
88
87
85
86

Pressure (mb)

993
994
994
994
995
995
995
995
995
995
995
995
994
994
994
994
994
994
994
994
993
993
993
993

Ozone (du)

404
402
402
402
401
403
403
406
405
407
410
411
411
409
413
414
414
414
417
422
419
419
420
424

Sunday 25

Waxing Crescent 45%

10:22

01:12

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: 07:49, Set: 16:41, Transit: 12:16. Moon - Rise: 10:22, Set: 01:12. Civil Dark: 17:18 - 07:12. Nautical Dark: 17:59 - 06:32. Astro Dark: 18:38 - 05:52

Total Clouds (% Sky Obscured)

100
100
90
81
72
76
84
89
91
94
76
65
65
69
78
92
98
98
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

97
99
84
68
56
61
70
75
78
82
76
65
65
69
78
92
98
97
97
96
93
99
100
94

Medium Clouds (% Sky Obscured)

91
84
69
54
38
42
45
55
59
64
10
7
5
0
0
0
0
17
33
55
54
79
71
89

High Clouds (% Sky Obscured)

7
10
10
5
5
5
10
10
0
0
0
0
0
0
1
1
2
17
36
51
54
32
13
37

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 (%)

90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90

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 (%)

44
37
35
34
14
10
7
2
4
4
0
2
1
0
0
0
0
0
0
0
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)

12
12
12
11
11
10
9
8
7
7
7
6
6
7
7
7
7
6
7
8
8
9
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
85
82
82
82
83
85
86
88
91
93
94
94
91
86
79
82
83
76
73
73
78
79

Pressure (mb)

993
994
994
995
996
996
997
998
998
999
999
1000
1001
1001
1001
1002
1002
1003
1002
1002
1002
1002
1001
1001

Ozone (du)

430
437
440
442
448
450
452
457
461
465
464
465
466
473
479
482
473
470
461
449
428
419
412
407

Monday 26

First Quarter 57%

10:46

02:41

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: 07:48, Set: 16:43, Transit: 12:16. Moon - Rise: 10:46, Set: 02:41. Civil Dark: 17:20 - 07:11. Nautical Dark: 18:00 - 06:31. Astro Dark: 18:40 - 05:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

88
82
83
85
85
89
95
100
100
100
100
98
96
93
100
100
100
98
96
94
96
98
90
86

Medium Clouds (% Sky Obscured)

94
100
100
100
100
87
72
32
42
87
100
100
100
100
97
99
100
96
91
87
89
92
95
97

High Clouds (% Sky Obscured)

72
100
100
94
94
61
62
42
47
81
100
100
100
100
100
100
100
94
91
90
92
91
90
93

ISS Passover

Visibility (miles)

9
9
9
4
8
7
7
9
7
6
2
0
0
0
0
2
4
6
7
8
9
9
9
9

Fog (%)

90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90

Precipitation Type

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

Precipitation Probability (%)

1
7
42
46
38
52
25
19
23
9
18
55
82
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0.2
0
0
0
0
0
0.2
0.4
0.9
1.4
1.9
2.3
1.7
1.3
0.8
0.8
0.8
0.8
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
83
86
89
91
94
96
96
96
96
98
98
98
98
98
96
98
91
85
79
79
78
78

Pressure (mb)

1001
1000
1000
999
999
999
998
996
996
995
994
992
990
988
986
984
983
982
981
980
980
978
977
976

Ozone (du)

396
390
387
388
386
382
377
375
374
374
370
368
364
362
361
368
376
383
394
404
415
416
417
417

Tuesday 27

Waxing Gibbous 68%

11:20

04:09

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: 07:46, Set: 16:45, Transit: 12:16. Moon - Rise: 11:20, Set: 04:09. Civil Dark: 17:21 - 07:10. Nautical Dark: 18:02 - 06:29. Astro Dark: 18:41 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
97
91
93
85

Low Clouds (% Sky Obscured)

86
87
87
88
88
90
91
92
94
95
97
98
99
100
99
99
99
99
99
99
97
91
93
85

Medium Clouds (% Sky Obscured)

98
100
92
83
73
60
48
36
57
80
100
100
100
100
77
49
23
22
13
12
16
19
18
14

High Clouds (% Sky Obscured)

95
100
95
89
84
72
60
50
57
62
68
79
89
97
67
43
23
19
16
15
15
14
17
11

ISS Passover

Visibility (miles)

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

Fog (%)

90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90

Precipitation Type

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

Precipitation Probability (%)

95
93
85
74
51
47
43
40
54
58
51
62
55
26
29
27
24
31
35
36
36
31
18
27

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
85
88
88
87
85
87
85
85
83
83
82
85
86
88
86
85
85
82
79
76
76
75
75

Pressure (mb)

975
974
973
973
972
971
971
971
971
972
973
974
974
975
976
977
978
979
979
980
980
981
981
982

Ozone (du)

420
423
425
428
430
433
439
445
451
456
461
466
468
471
474
478
482
487
485
483
481
481
481
482

Wednesday 28

Waxing Gibbous 79%

12:11

05:30

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 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:45, Set: 16:47, Transit: 12:17. Moon - Rise: 12:11, Set: 05:30. Civil Dark: 17:23 - 07:09. Nautical Dark: 18:03 - 06:28. Astro Dark: 18:43 - 05:49

Total Clouds (% Sky Obscured)

70
65
65
65
69
73
82
91
88
81
75
57
34
19
40
58
74
82
89
95

Low Clouds (% Sky Obscured)

70
65
65
65
69
73
76
77
84
81
75
57
34
19
40
29
27
33
42
50

Medium Clouds (% Sky Obscured)

11
10
9
5
8
17
26
36
31
24
16
15
13
14
10
6
1
24
47
69

High Clouds (% Sky Obscured)

8
5
4
4
3
11
19
27
8
1
0
2
3
5
4
6
7
16
31
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90

Precipitation Type

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

Precipitation Probability (%)

34
39
35
29
20
24
26
28
24
20
17
14
11
6
5
4
2
6
7
7

Precipitation Amount (mm)

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
11
9
8
8
7
7
8
9
9
9
8
8
7
7
6
6
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
1
1
2
1
2
2
2
2
2
2
1
1
1
1
2
2

Relative Humidity (%)

78
77
80
82
85
86
88
86
88
89
91
93
93
93
91
91
89
89
86
83

Pressure (mb)

982
983
983
984
985
985
986
987
988
988
989
990
990
991
992
992
993
993
993
993

Ozone (du)

483
483
484
488
491
494
496
497
498
484
470
456
436
417
397
384
371
357
354
350

Forecast for Reading, Reading, United Kingdom (51.45,-0.98)

Generated: 22/01/26 16:09:27. Forecast: 22/01/26 to 28/01/26. Timezone: UTC+0.00