Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 18

New Moon 1%

08:33

No Set

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 OK
14 Bad
15 Bad

Sun - Rise: 07:47, Set: 16:22, Transit: 12:05. Moon - Rise: 08:33, Set: No Set. Civil Dark: 16:59 - 07:10. Nautical Dark: 17:40 - 06:29. Astro Dark: 18:20 - 05:49

Total Clouds (% Sky Obscured)

71
76
75
73
72
75
75
74
70
82
79
68
75
75
77
69
69
70
77
81
84
42
64
71

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
0
0
0

Medium Clouds (% Sky Obscured)

54
76
75
73
72
73
75
74
70
31
28
68
75
75
77
69
69
62
77
57
56
30
45
50

High Clouds (% Sky Obscured)

0
0
1
0
0
1
0
0
0
0
2
1
1
1
1
2
2
2
1
1
1
8
20
25

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
Very 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 (%)

3
12
46
0
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
1
0
0
0
0

Precipitation Amount (mm)

0
0
0.3
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)

5
5
5
6
7
7
7
8
8
7
7
6
6
5
6
6
7
6
6
9
10
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
90
90
91
91
93
90
86
88
85
90
90
88
90
91
91
90
85
80
78
80
82
85

Pressure (mb)

1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1015
1016
1015

Ozone (du)

401
400
400
400
399
401
402
402
402
399
398
399
402
402
401
400
400
399
397
392
386
383
380
379

Monday 19

Waxing Crescent 3%

08:51

17:00

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: 16:23, Transit: 12:05. Moon - Rise: 08:51, Set: 17:00. Civil Dark: 17:01 - 07:09. Nautical Dark: 17:42 - 06:28. Astro Dark: 18:21 - 05:49

Total Clouds (% Sky Obscured)

100
100
92
82
74
80
81
65
65
83
77
81
74
75
91
79
92
86
78
84
92
97
100
100

Low Clouds (% Sky Obscured)

0
0
14
0
32
23
35
37
40
43
39
51
57
65
65
53
54
54
40
45
24
31
29
19

Medium Clouds (% Sky Obscured)

51
99
43
82
73
31
32
21
23
34
28
27
16
17
28
28
37
33
61
73
62
73
100
82

High Clouds (% Sky Obscured)

100
48
55
65
66
54
34
22
18
18
6
15
7
15
50
20
24
28
20
49
69
92
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 (%)

2
0
1
3
2
3
2
16
23
23
6
17
21
7
0
0
0
2
1
3
1
9
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)

8
8
10
11
12
12
13
14
15
14
14
15
16
15
13
15
15
16
15
15
15
16
15
15

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
9
9
10
10
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1013
1013
1012
1012

Ozone (du)

379
378
378
379
381
379
377
378
383
383
383
386
387
386
383
382
382
381
384
386
384
384
383
382

Tuesday 20

Waxing Crescent 8%

09:06

18:19

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: 16:25, Transit: 12:06. Moon - Rise: 09:06, Set: 18:19. Civil Dark: 17:02 - 07:08. Nautical Dark: 17:43 - 06:27. Astro Dark: 18:22 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
96
100
100
100
100
100
99
100
100
100
100
95
100
100
100
100
100
97
93
89
92

Low Clouds (% Sky Obscured)

17
43
38
50
59
63
54
52
59
68
52
39
22
32
41
47
61
75
91
100
95
91
86
74

Medium Clouds (% Sky Obscured)

100
74
100
50
50
45
83
29
100
99
100
100
100
100
31
100
100
100
100
100
79
83
75
80

High Clouds (% Sky Obscured)

100
100
100
80
100
100
100
100
100
86
100
100
100
75
80
80
100
100
74
41
41
29
20
47

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
4
3
2
3
3
9
9
9
9
7
4
9
9
5
8

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

Precipitation Probability (%)

9
28
31
39
53
50
43
63
95
95
95
95
95
79
32
43
38
71
95
88
61
71
85
88

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0.2
0.7
1
2.2
2
1.7
0.4
0
0
0
0.4
0.8
0.7
0.3
0.3
0.6
0.6

Wind Speed/Direction (mph)

15
16
17
17
18
18
18
20
17
17
17
19
18
11
9
8
7
8
8
15
18
20
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
87
85
85
84
82
78
82
85
87
90
91
91
93
93
90
90
90
91
94
91
91
93
91

Pressure (mb)

1011
1011
1010
1010
1009
1009
1008
1007
1007
1006
1005
1004
1004
1003
1002
1001
1001
1000
999
998
997
996
995
995

Ozone (du)

383
385
389
388
380
378
377
370
365
356
349
346
350
358
360
353
351
349
343
341
345
346
347
358

Wednesday 21

Waxing Crescent 15%

09:18

19:38

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: 16:26, Transit: 12:06. Moon - Rise: 09:18, Set: 19:38. Civil Dark: 17:04 - 07:07. Nautical Dark: 17:44 - 06:26. Astro Dark: 18:24 - 05:47

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
99
99
99
99
99
99
100
100
94
100
97
81
98
99
98
100
96

Low Clouds (% Sky Obscured)

62
51
53
56
59
69
79
89
88
87
86
90
85
91
88
77
82
81
79
77
84
88
94
88

Medium Clouds (% Sky Obscured)

90
100
34
34
30
41
98
45
65
92
97
44
39
76
88
32
28
27
33
65
71
47
53
35

High Clouds (% Sky Obscured)

73
100
90
80
69
71
73
75
54
28
7
36
71
100
100
94
93
87
78
81
62
42
15
10

ISS Passover

Visibility (miles)

4
3
7
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
83
74
36
23
32
31
26
41
50
49
45
46
42
39
35
18
21
20
15
17
33
24
25

Precipitation Amount (mm)

0.9
0.7
0.5
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)

20
19
21
21
20
19
20
18
18
17
17
16
15
14
13
12
11
11
11
12
13
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
90
91
91
90
91
91
90
91
91
90
90
91
91
91
90
81
81
85
85
84
82
85

Pressure (mb)

994
993
993
992
992
992
991
991
990
990
990
990
990
990
990
990
991
991
991
991
991
991
991
991

Ozone (du)

368
374
378
378
378
374
373
370
366
366
363
363
365
367
367
369
368
368
368
368
369
369
371
375

Thursday 22

Waxing Crescent 23%

09:30

20:56

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: 07:43, Set: 16:28, Transit: 12:06. Moon - Rise: 09:30, Set: 20:56. Civil Dark: 17:05 - 07:06. Nautical Dark: 17:46 - 06:25. Astro Dark: 18:25 - 05:46

Total Clouds (% Sky Obscured)

91
86
90
93
96
98
96
99
91
97
100
100
100
100
98
99
100
94
88
84
78
85
77
81

Low Clouds (% Sky Obscured)

82
76
81
86
90
91
88
91
81
78
79
80
80
89
73
86
95
93
88
84
78
83
76
76

Medium Clouds (% Sky Obscured)

23
13
20
27
31
36
41
49
54
64
100
88
78
70
92
92
92
88
84
80
67
58
41
41

High Clouds (% Sky Obscured)

5
0
18
37
52
58
64
66
70
76
80
55
30
0
1
2
10
20
24
24
18
7
1
14

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

34
41
47
40
16
28
37
30
37
44
44
41
29
19
59
84
95
93
75
48
41
39
40
40

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.9
0.7
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
14
14
14
14
13
13
13
13
13
13
14
14
16
16
16
16
15
14
14
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
87
87
87
85
90
91
91
90
90
91
93
90
90
87
90
91
93
88
82
78
78
78
78

Pressure (mb)

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

Ozone (du)

376
380
383
384
385
387
387
386
386
388
384
388
388
385
384
384
384
384
388
392
396
396
397
397

Friday 23

Waxing Crescent 22%

09:43

22:15

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: 16:30, Transit: 12:06. Moon - Rise: 09:43, Set: 22:15. Civil Dark: 17:07 - 07:05. Nautical Dark: 17:47 - 06:24. Astro Dark: 18:26 - 05:45

Total Clouds (% Sky Obscured)

85
85
81
72
52
68
85
100
99
99
98
98
98
99
96
90
83
80
79
81
86
92
98
99

Low Clouds (% Sky Obscured)

72
63
54
45
40
36
35
35
36
38
44
59
72
83
74
61
49
56
65
71
71
77
81
82

Medium Clouds (% Sky Obscured)

37
35
30
23
21
42
65
90
92
94
95
94
87
73
77
73
83
79
61
51
44
34
28
55

High Clouds (% Sky Obscured)

26
36
38
41
41
56
77
100
78
47
15
15
10
10
10
10
10
10
9
9
42
71
98
93

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

Precipitation Probability (%)

38
34
34
35
37
38
36
28
38
47
55
49
42
33
35
30
9
17
18
2
6
6
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
2
1
1
2
1
2
2
1
0
0
0
0
0
0
1
1
1
1
0
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

79
82
83
85
85
85
83
85
83
83
85
85
86
88
88
86
86
85
80
78
75
75
75
76

Pressure (mb)

994
994
994
994
994
995
995
995
995
995
995
996
996
996
997
997
998
998
999
999
999
1000
1000
1000

Ozone (du)

398
398
399
399
399
399
402
406
410
410
411
411
412
412
413
413
414
415
415
415
415
415
415
415

Saturday 24

Waxing Crescent 34%

09:56

23:36

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: 07:40, Set: 16:32, Transit: 12:07. Moon - Rise: 09:56, Set: 23:36. Civil Dark: 17:08 - 07:04. Nautical Dark: 17:49 - 06:23. Astro Dark: 18:28 - 05:44

Total Clouds (% Sky Obscured)

99
100
100
100
100
99
96
93
88
89
91
92
93
94
95
97
98
99
99
100

Low Clouds (% Sky Obscured)

83
84
89
90
95
95
90
90
88
89
88
88
88
85
87
92
98
99
99
100

Medium Clouds (% Sky Obscured)

81
99
88
76
62
51
36
14
28
40
58
67
77
85
73
62
55
54
63
81

High Clouds (% Sky Obscured)

89
86
73
61
49
62
74
93
88
89
86
67
44
20
44
67
90
95
95
95

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 (%)

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

Precipitation Probability (%)

2
0
2
3
0
1
0
0
1
1
0
0
0
0
5
8
9
13
15
15

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)

9
9
9
9
10
10
10
10
10
10
10
10
10
10
9
10
11
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
78
79
80
80
82
82
82
82
83
85
86
88
89
89
86
82
76
76
76

Pressure (mb)

1000
1000
1001
1001
1001
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1004
1004
1005
1005
1005

Ozone (du)

417
418
419
420
421
423
424
425
427
427
427
427
430
432
434
435
435
436
436
437

Forecast for Dover, Kent, United Kingdom (51.13,1.31)

Generated: 18/01/26 16:12:34. Forecast: 18/01/26 to 24/01/26. Timezone: UTC+0.00