Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 25

Waxing Crescent 57%

10:22

01:14

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:51, Set: 16:43, Transit: 12:17. Moon - Rise: 10:22, Set: 01:14. Civil Dark: 17:20 - 07:14. Nautical Dark: 18:01 - 06:33. Astro Dark: 18:41 - 05:54

Total Clouds (% Sky Obscured)

76
78
79
80
100
99
94
86
92
92
96
97
91
98
100
100
100
100
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

66
63
71
80
100
99
94
86
92
92
96
97
91
97
98
90
76
87
91
79
75
79
84
86

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
33
99
94
98
33
93
82
97
93
100

High Clouds (% Sky Obscured)

3
3
3
1
0
0
0
0
1
0
12
55
29
63
69
100
89
65
73
100
100
100
100
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
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
14
40
37

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
96
94
89
86
89
96
96
96
94
94
93
94
91
88
88
86
86
88
90
91
91
93

Pressure (mb)

996
997
998
999
999
1000
1000
1001
1001
1001
1001
1001
1002
1002
1002
1001
1001
1001
1000
999
999
998
998
998

Ozone (du)

445
450
454
455
453
455
458
455
452
449
449
452
450
443
437
433
422
408
397
386
380
375
370
368

Monday 26

First Quarter 54%

10:46

02:43

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
16 OK
17 OK
18 OK

Sun - Rise: 07:50, Set: 16:45, Transit: 12:17. Moon - Rise: 10:46, Set: 02:43. Civil Dark: 17:22 - 07:13. Nautical Dark: 18:03 - 06:32. Astro Dark: 18:42 - 05:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
72
50
33
21
48

Low Clouds (% Sky Obscured)

86
84
78
75
79
86
82
82
89
92
100
100
100
94
80
74
65
71
62
60
50
33
0
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
68
96
100
100
100
100
100
100
37
100
31
50
33
21
20

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
84
30
4
2
0
0

ISS Passover

Visibility (miles)

9
8
7
7
3
3
2
3
6
4
8
9
3
8
7
3
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

41
66
64
94
95
95
95
95
95
95
74
88
92
95
95
95
40
41
13
23
19
5
0
0

Precipitation Amount (mm)

0
0.3
0.2
0.4
0.8
1.5
1.2
1.1
0.9
1.1
0.3
0.4
0.6
0.7
1.1
1
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
15
16
17
20
22
23
22
22
22
21
20
20
19
19
18
14
15
14
15
13
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
93
94
94
94
94
94
93
94
93
94
96
94
94
93
88
88
81
77
80
81
85
85

Pressure (mb)

997
996
995
994
992
991
989
987
986
984
983
982
981
980
980
980
981
981
982
982
983
984
985
986

Ozone (du)

367
367
370
370
365
365
364
361
359
359
359
361
359
361
361
362
365
366
366
369
374
383
396
408

Tuesday 27

Waxing Gibbous 68%

11:20

04:12

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
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 OK
16 Good
17 Good
18 Good

Sun - Rise: 07:48, Set: 16:47, Transit: 12:18. Moon - Rise: 11:20, Set: 04:12. Civil Dark: 17:24 - 07:12. Nautical Dark: 18:04 - 06:31. Astro Dark: 18:44 - 05:52

Total Clouds (% Sky Obscured)

91
41
53
71
60
63
57
64
69
92
84
46
50
56
45
53
54
61
40
23
17
8
0
15

Low Clouds (% Sky Obscured)

0
31
41
39
55
63
57
64
69
69
58
46
50
44
40
53
49
40
31
23
16
8
0
15

Medium Clouds (% Sky Obscured)

27
3
24
71
37
6
0
5
13
19
20
4
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

31
2
4
0
0
0
0
0
0
28
14
2
4
42
13
3
7
22
9
3
2
1
0
1

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
2
1
0
0
1
1
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
82
85
85
85
88
89
88
86
86
89
91
91
91
91
88
84
81
81
79
79
82
86
86

Pressure (mb)

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

Ozone (du)

425
440
445
448
450
457
462
461
463
465
468
469
471
476
477
475
467
466
463
459
459
459
462
464

Wednesday 28

Waxing Gibbous 79%

12:11

05:33

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:47, Set: 16:49, Transit: 12:18. Moon - Rise: 12:11, Set: 05:33. Civil Dark: 17:25 - 07:10. Nautical Dark: 18:06 - 06:30. Astro Dark: 18:45 - 05:50

Total Clouds (% Sky Obscured)

49
56
73
89
100
100
100
100
100
100
66
98
97
93
91
88
85
90
95
100
100
100
100
98

Low Clouds (% Sky Obscured)

33
52
50
46
40
40
40
38
43
50
53
53
59
65
64
60
76
78
76
67
72
76
81
84

Medium Clouds (% Sky Obscured)

0
0
0
0
0
15
33
41
43
100
54
67
58
52
58
39
25
53
80
99
100
100
100
97

High Clouds (% Sky Obscured)

8
5
37
70
100
79
58
37
34
28
3
31
35
34
30
28
16
0
0
0
0
0
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
5
6
4

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
1
5
6
6
8
7
3
7
8
9
40
53
56
60

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
0.2

Wind Speed/Direction (mph)

9
8
8
8
9
10
10
10
11
11
12
12
11
12
12
13
15
16
16
16
15
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
88
88
89
89
88
89
89
89
89
89
88
89
86
83
82
79
76
79
81
87
93
94

Pressure (mb)

995
995
995
995
995
995
995
995
995
994
994
994
994
993
993
993
992
992
991
990
989
989
989
988

Ozone (du)

464
467
468
470
468
455
433
405
369
366
353
347
347
353
362
369
370
367
363
361
361
361
364
366

Thursday 29

Waxing Gibbous 88%

13:22

06:36

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:45, Set: 16:51, Transit: 12:18. Moon - Rise: 13:22, Set: 06:36. Civil Dark: 17:27 - 07:09. Nautical Dark: 18:07 - 06:28. Astro Dark: 18:47 - 05:49

Total Clouds (% Sky Obscured)

97
95
96
98
97
96
95
93
95
97
100
99
98
96
95
95
96
97
99
100
79
58
37
58

Low Clouds (% Sky Obscured)

86
87
86
87
90
94
90
85
77
71
64
87
89
92
77
62
46
53
60
67
57
47
35
44

Medium Clouds (% Sky Obscured)

95
91
83
75
59
46
38
26
45
9
3
39
56
77
57
36
19
46
63
73
51
26
1
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
30
60
85
46
46
35
21
13
5
37
68
99
66
33
1
34

ISS Passover

Visibility (miles)

6
9
9
9
9
9
8
9
7
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

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

Precipitation Probability (%)

57
59
67
73
71
61
52
42
43
29
19
53
63
59
59
50
34
44
54
62
55
42
23
64

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
15
13
12
11
12
12
11
12
11
12
13
11
9
5
6
7
9
9
10
12
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
5
5
5
5
5
5
4
5
5
5
5
5
5
5
5
5
5
4

Relative Humidity (%)

94
94
94
94
93
94
91
91
88
90
87
85
87
88
90
87
84
79
81
81
81
84
87
88

Pressure (mb)

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

Ozone (du)

367
370
375
378
380
380
380
385
385
386
393
396
401
406
411
414
417
420
417
413
410
414
418
422

Friday 30

Waxing Gibbous 95%

14:47

07:21

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:44, Set: 16:52, Transit: 12:18. Moon - Rise: 14:47, Set: 07:21. Civil Dark: 17:29 - 07:07. Nautical Dark: 18:09 - 06:27. Astro Dark: 18:48 - 05:48

Total Clouds (% Sky Obscured)

79
100
100
100
100
95
80
53
65
87
97
98
99
99
99
100
100
100
100
100
99
99
99
73

Low Clouds (% Sky Obscured)

52
63
65
65
62
57
45
32
47
65
82
85
86
86
86
87
89
64
39
15
26
37
50
35

Medium Clouds (% Sky Obscured)

59
91
91
90
92
70
45
18
40
59
77
81
89
91
94
97
98
86
75
62
50
40
20
15

High Clouds (% Sky Obscured)

67
100
98
98
98
82
65
46
51
55
57
62
74
86
79
74
65
70
74
78
57
36
14
10

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

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
None
None

Precipitation Probability (%)

95
95
91
56
48
50
44
27
25
24
24
34
34
20
23
23
25
31
32
38
34
26
20
23

Precipitation Amount (mm)

0.8
1.5
0.6
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
9
10
8
7
6
5
4
4
4
4
4
4
4
4
5
6
6
6
6
5
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

988
987
987
987
987
987
987
987
987
988
988
988
989
989
990
991
991
992
992
993
993
994
995
996

Ozone (du)

423
423
424
424
424
424
425
426
427
426
426
426
427
427
428
428
428
428
428
428
429
430
431
433

Saturday 31

Waxing Gibbous 99%

16:18

07:51

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:42, Set: 16:54, Transit: 12:18. Moon - Rise: 16:18, Set: 07:51. Civil Dark: 17:30 - 07:06. Nautical Dark: 18:11 - 06:26. Astro Dark: 18:50 - 05:47

Total Clouds (% Sky Obscured)

43
15
43
72
100
92
88
92
86
77
68
79
90
100
89
83
74

Low Clouds (% Sky Obscured)

20
15
34
51
73
64
55
52
53
52
45
54
63
73
59
48
35

Medium Clouds (% Sky Obscured)

9
6
10
21
33
39
40
41
51
59
65
76
88
100
82
64
50

High Clouds (% Sky Obscured)

5
0
20
43
80
60
30
0
1
2
5
8
16
21
38
48
31

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

24
16
16
17
12
11
8
1
4
3
3
16
27
37
40
39
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
4
3
3
3
3
3
3
2
2
2
2
2
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
94
94
94
94
93
93
91
93
93
93
93
93
90
87

Pressure (mb)

996
997
998
998
999
999
999
999
999
999
999
999
999
999
999
998
998

Ozone (du)

436
439
442
442
442
442
442
441
441
438
436
434
435
436
437
450
463

Forecast for Culham, Oxfordshire, United Kingdom (51.66,-1.27)

Generated: 25/01/26 19:18:31. Forecast: 25/01/26 to 31/01/26. Timezone: UTC+0.00