Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 3%

09:31

18:51

13 Bad
14 Bad
15 Bad
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

Sun - Rise: 08:08, Set: 16:56, Transit: 12:33. Moon - Rise: 09:31, Set: 18:51. Civil Dark: 17:32 - 07:32. Nautical Dark: 18:12 - 06:52. Astro Dark: 18:51 - 06:14

Total Clouds (% Sky Obscured)

89
91
93
95
80
79
57
43
17
62
52
98
96
100
75
100
98
100
100
100
100
99
82
96

Low Clouds (% Sky Obscured)

89
54
68
34
62
56
57
37
14
62
50
46
70
57
51
53
66
100
95
100
90
50
55
60

Medium Clouds (% Sky Obscured)

89
91
93
95
28
32
0
5
2
0
52
97
89
99
47
100
96
100
99
65
6
87
46
69

High Clouds (% Sky Obscured)

89
5
0
0
0
0
0
0
0
0
52
0
0
0
0
0
0
4
52
82
100
91
4
4

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
45
42
32
30
34
37
39
25
19
17
30
60
62
95
95
95
95
75
71
59
49

Precipitation Amount (mm)

0.3
1.1
0.2
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.7
1.1
1.4
0.9
0.3
0.4
0.3
0

Wind Speed/Direction (mph)

8
9
10
12
15
14
14
14
14
13
13
13
13
14
15
17
18
19
24
26
25
27
17
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
74
73
73
75
75
75
75
75
78
75
73
73
75
79
88
91
95
96
90
93
87
88

Pressure (mb)

996
997
997
997
998
998
998
998
998
997
997
996
995
994
992
991
988
986
984
982
981
979
979
978

Ozone (du)

348
354
360
363
365
371
380
389
380
385
379
374
370
367
362
354
353
351
352
356
359
362
361
357

Wednesday 21

Waxing Crescent 8%

09:45

20:08

13 Bad
14 Bad
15 Bad
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

Sun - Rise: 08:07, Set: 16:58, Transit: 12:33. Moon - Rise: 09:45, Set: 20:08. Civil Dark: 17:34 - 07:31. Nautical Dark: 18:14 - 06:52. Astro Dark: 18:52 - 06:13

Total Clouds (% Sky Obscured)

100
99
96
63
92
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
91
96
100

Low Clouds (% Sky Obscured)

63
76
68
53
72
67
63
65
61
63
70
69
70
56
60
62
56
76
69
63
83
91
76
84

Medium Clouds (% Sky Obscured)

100
98
88
23
73
72
95
92
100
100
100
100
100
100
98
82
100
100
100
100
98
65
60
52

High Clouds (% Sky Obscured)

3
0
0
0
0
40
38
100
100
100
100
100
100
100
83
50
100
39
35
35
35
35
35
25

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

61
56
64
62
67
68
64
73
72
71
53
75
91
90
48
52
61
67
92
82
75
79
86
47

Precipitation Amount (mm)

0.3
0.3
0.3
0.3
0.4
0.5
0.4
0.5
0.4
0.4
0
0.4
0.8
0.8
0
0.2
0.3
0.3
0.6
0.3
0.3
0.5
0.7
0

Wind Speed/Direction (mph)

18
19
16
15
13
12
12
12
12
11
10
8
8
9
9
8
5
5
8
13
14
13
19
23

Chance of Frost

Temperature (°C)

11
10
10
10
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

977
977
977
977
977
977
978
978
978
978
979
979
980
981
981
981
981
981
982
984
985
985
986
986

Ozone (du)

355
357
360
366
369
372
377
379
381
384
384
380
377
375
375
374
372
371
371
375
380
379
380
379

Thursday 22

Waxing Crescent 15%

09:58

21:25

13 Bad
14 Bad
15 Bad
16 OK
17 Good
18 OK
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

Sun - Rise: 08:06, Set: 16:59, Transit: 12:34. Moon - Rise: 09:58, Set: 21:25. Civil Dark: 17:35 - 07:30. Nautical Dark: 18:15 - 06:51. Astro Dark: 18:54 - 06:12

Total Clouds (% Sky Obscured)

100
76
50
10
1
16
46
85
70
74
60
63
78
99
100
100
97
78
100
100
100
100
100
90

Low Clouds (% Sky Obscured)

80
57
50
10
0
7
43
85
70
53
52
62
70
65
71
63
55
65
74
84
80
77
73
70

Medium Clouds (% Sky Obscured)

50
27
10
0
1
16
30
30
30
63
54
46
57
82
100
82
61
60
100
100
100
96
100
72

High Clouds (% Sky Obscured)

22
40
4
10
1
16
46
60
65
70
60
59
2
67
54
55
50
35
21
6
68
87
100
83

ISS Passover

Visibility (miles)

9
9
9
7
9
9
9
9
4
4
2
2
2
5
4
9
9
9
8
4
6
5
6
5

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

Precipitation Probability (%)

32
24
23
15
1
18
12
59
95
95
95
95
95
95
80
49
34
47
82
86
70
71
78
69

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.8
2.1
2.6
2.6
0.6
1.2
0.4
0
0
0
0.6
0.5
0.4
0.5
0.6
0.4

Wind Speed/Direction (mph)

20
19
18
16
13
13
13
13
13
16
17
21
17
17
13
13
16
17
19
22
24
25
26
27

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
77
74
74
75
78
78
77
79
84
88
91
91
88
91
79
73
74
74
90
85
81
81
82

Pressure (mb)

987
987
987
986
986
985
984
983
983
981
980
980
978
979
978
977
977
976
976
976
976
976
976
975

Ozone (du)

377
372
367
363
362
364
369
373
375
378
382
388
394
399
405
412
423
428
427
423
418
415
415
416

Friday 23

Waxing Crescent 24%

10:11

22:43

13 Bad
14 Bad
15 Bad
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

Sun - Rise: 08:05, Set: 17:01, Transit: 12:34. Moon - Rise: 10:11, Set: 22:43. Civil Dark: 17:37 - 07:29. Nautical Dark: 18:17 - 06:50. Astro Dark: 18:55 - 06:11

Total Clouds (% Sky Obscured)

79
71
81
90
100
100
100
100
100
100
100
99
84
92
87
79
70
66
95
89
77
83
92
92

Low Clouds (% Sky Obscured)

66
60
72
82
91
91
91
90
93
96
87
79
69
64
61
59
54
58
79
77
64
59
57
63

Medium Clouds (% Sky Obscured)

43
20
50
77
100
100
100
100
97
95
94
74
36
28
32
36
35
35
35
40
45
57
57
56

High Clouds (% Sky Obscured)

70
50
44
45
50
67
82
100
100
100
67
67
57
77
67
51
54
48
57
63
76
83
92
92

ISS Passover

Visibility (miles)

5
6
7
5
5
4
6
4
5
6
5
6
6
9
8
9
9
9
9
9
9
8
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

62
49
65
77
78
84
92
95
95
93
83
77
74
70
72
74
78
76
86
95
95
95
95
95

Precipitation Amount (mm)

0.3
0
0.2
0.3
0.3
0.5
0.6
0.8
0.7
0.6
0.4
0.4
0.4
0.3
0.3
0.3
0.5
0.3
0.5
1.1
0.8
0.7
0.9
0.7

Wind Speed/Direction (mph)

27
27
27
27
27
27
27
28
29
27
26
25
23
22
22
21
23
24
24
24
23
23
23
23

Chance of Frost

Temperature (°C)

8
8
9
8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
78
82
93
91
87
88
85
84
84
85
84
81
74
73
73
74
76
74
75
76
77
78

Pressure (mb)

975
975
975
974
974
974
974
974
974
975
975
976
976
977
978
978
979
979
980
981
982
983
984
984

Ozone (du)

417
415
416
417
420
420
421
423
427
428
431
431
433
430
431
434
433
432
432
431
431
432
432
432

Saturday 24

Waxing Crescent 34%

10:27

00:03

13 Bad
14 Bad
15 Bad
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

Sun - Rise: 08:04, Set: 17:03, Transit: 12:34. Moon - Rise: 10:27, Set: 00:03. Civil Dark: 17:38 - 07:28. Nautical Dark: 18:18 - 06:49. Astro Dark: 18:56 - 06:11

Total Clouds (% Sky Obscured)

82
100
99
85
86
91
91
100
100
100
100
96
92
88
83
78
75
65
57
64
66
79
80
81

Low Clouds (% Sky Obscured)

68
70
72
77
78
70
74
79
79
78
78
75
72
69
63
57
51
40
35
33
39
44
53
54

Medium Clouds (% Sky Obscured)

52
48
44
37
38
33
30
28
87
82
85
78
72
63
52
41
30
24
16
6
11
16
22
25

High Clouds (% Sky Obscured)

82
100
72
33
4
38
59
100
100
100
100
72
43
21
35
33
27
16
12
13
8
9
13
12

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
8
8
9
9
9
9
9
9
9
8
7
5

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

Precipitation Probability (%)

95
95
91
79
63
55
50
52
58
62
74
91
73
53
53
51
50
51
46
35
50
58
59
51

Precipitation Amount (mm)

0.7
0.8
0.6
0.5
0.3
0
0
0.2
0.2
0.3
0.5
0.7
0.4
0
0
0
0.2
0.2
0
0
0
0.2
0.2
0

Wind Speed/Direction (mph)

22
20
19
19
19
20
20
20
21
21
21
21
21
21
21
21
21
21
19
17
17
14
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
78
77
77
80
82
74
75
75
81
81
82
82
82
85
85
87
88
90
91
90
90
90

Pressure (mb)

984
984
984
984
984
985
985
985
985
985
985
986
986
986
986
986
987
987
987
988
989
989
990
991

Ozone (du)

432
431
431
431
429
428
431
434
436
435
438
441
441
442
442
442
442
442
442
443
443
442
442
441

Sunday 25

Waxing Crescent 45%

10:46

01:27

13 Bad
14 Bad
15 Bad
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

Sun - Rise: 08:03, Set: 17:04, Transit: 12:34. Moon - Rise: 10:46, Set: 01:27. Civil Dark: 17:40 - 07:27. Nautical Dark: 18:19 - 06:48. Astro Dark: 18:58 - 06:10

Total Clouds (% Sky Obscured)

79
81
78
73
62
59
36
37
48
61
73
74
74
76
73
70
68
63
59
54
61
66
74
71

Low Clouds (% Sky Obscured)

43
36
33
38
37
38
36
37
35
33
34
39
42
51
56
61
66
61
57
52
57
66
74
71

Medium Clouds (% Sky Obscured)

37
51
41
26
8
8
8
8
18
32
45
31
29
22
15
8
1
1
1
2
4
7
11
7

High Clouds (% Sky Obscured)

11
4
9
14
21
19
10
5
2
2
2
1
1
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
8
9
9
9
9
9
9
9
6
4
1
4
6
9
7
5
3
4
5
6
7
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
None

Precipitation Probability (%)

51
59
55
46
24
30
30
24
42
46
40
41
41
40
52
58
61
57
57
56
49
45
46
43

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
82
82
84
84
87
88
90
91
94
96
94
94
94
93
91
90
91
93
93
94
93
93

Pressure (mb)

991
992
993
993
994
995
996
997
997
998
999
999
999
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
999

Ozone (du)

440
438
437
437
436
436
437
438
440
434
429
424
420
416
412
412
412
412
409
406
404
407
411
414

Monday 26

First Quarter 57%

11:11

02:54

13 Bad
14 Bad
15 Bad
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

Sun - Rise: 08:01, Set: 17:06, Transit: 12:34. Moon - Rise: 11:11, Set: 02:54. Civil Dark: 17:41 - 07:26. Nautical Dark: 18:21 - 06:47. Astro Dark: 18:59 - 06:09

Total Clouds (% Sky Obscured)

69
65
65
73
91
93
96
96
98
98
97
94
77
73
65
65
52

Low Clouds (% Sky Obscured)

68
62
62
62
61
65
69
72
71
66
62
57
47
40
36
32
27

Medium Clouds (% Sky Obscured)

5
0
6
15
22
33
40
53
58
62
67
67
77
73
65
44
26

High Clouds (% Sky Obscured)

0
0
5
13
24
25
21
26
24
29
35
30
24
30
24
19
20

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 (%)

37
30
32
28
19
28
32
35
34
33
31
31
30
27
25
23
19

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
14
14
13
13
13
14
15
16
16
15
15
13
12
10
10
9

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
90
85
81
78
78
81
82
82
81
81
81
81
79
79
79

Pressure (mb)

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

Ozone (du)

417
421
424
430
436
442
428
414
399
396
393
390
388
385
383
383
382

Forecast for Penzance, Cornwall, United Kingdom (50.12,-5.54)

Generated: 20/01/26 13:36:49. Forecast: 20/01/26 to 26/01/26. Timezone: UTC+0.00