Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 5

Waning Gibbous 96%

19:09

09:59

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 OK
08 Bad
09 Good
10 Good
11 Good
12 OK
13 Bad
14 Bad
15 OK
16 OK
17 Bad
18 Bad
19 OK
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:17, Set: 16:29, Transit: 12:23. Moon - Rise: 19:09, Set: 09:59. Civil Dark: 17:07 - 07:39. Nautical Dark: 17:48 - 06:57. Astro Dark: 18:28 - 06:18

Total Clouds (% Sky Obscured)

100
91
96
96
100
100
100
17
63
9
0
0
27
64
42
30
33
51
48
44
73
75
73
65

Low Clouds (% Sky Obscured)

93
70
73
66
80
67
63
51
33
4
1
0
65
62
42
30
33
51
48
44
67
68
64
65

Medium Clouds (% Sky Obscured)

81
87
100
96
100
40
21
2
0
0
0
0
0
13
13
13
6
2
1
0
6
7
9
1

High Clouds (% Sky Obscured)

4
61
70
85
84
26
4
3
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

100
100
0
0
0
0
0
0
0
0
0
0
0
0
15
13
22
9
8
7
7
9
10
10

Precipitation Amount (mm)

0.3
0.2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
89
99
97
98
94
100
98
90
82
71
66
73
69
76
79
86
84
86
87
87
83
81

Pressure (mb)

1014
1013
1013
1013
1013
1013
1013
1014
1014
1015
1016
1017
1017
1017
1017
1018
1018
1019
1019
1020
1021
1021
1022
1022

Ozone (du)

379
395
401
409
409
402
399
399
395
396
397
397
395
398
406
397
394
388
388
388
387
387
388
388

Tuesday 6

Waning Gibbous 90%

20:33

10:18

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
22 Bad
23 Bad

Sun - Rise: 08:17, Set: 16:30, Transit: 12:23. Moon - Rise: 20:33, Set: 10:18. Civil Dark: 17:08 - 07:39. Nautical Dark: 17:50 - 06:57. Astro Dark: 18:29 - 06:17

Total Clouds (% Sky Obscured)

71
78
45
38
50
47
87
100
100
97
66
76
100
100
100
100
100
91
94
93
94
63
47
67

Low Clouds (% Sky Obscured)

71
68
45
38
50
43
33
0
8
4
27
5
0
27
51
92
89
85
86
86
85
61
44
67

Medium Clouds (% Sky Obscured)

2
12
1
0
0
2
78
100
100
96
66
76
100
100
97
78
100
81
81
79
89
9
0
0

High Clouds (% Sky Obscured)

0
4
6
3
50
47
57
80
88
55
20
24
29
35
0
0
0
0
0
0
4
19
40
38

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

8
6
5
4
1
3
0
0
1
4
2
2
0
2
14
52
72
82
95
95
95
57
34
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.7
0.7
1.3
0
0
0

Wind Speed/Direction (mph)

5
5
3
2
2
3
3
4
4
4
3
5
8
10
11
11
12
13
14
14
14
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
84
89
91
88
83
81
81
83
81
80
77
75
75
76
76
77
91
93
91
94
94
86
85

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1019
1018
1016
1016
1015
1014
1013
1012
1011
1011
1011

Ozone (du)

385
383
382
379
377
374
370
370
370
369
370
370
372
372
375
375
379
381
381
382
386
386
386
381

Wednesday 7

Waning Gibbous 83%

21:51

10:33

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
22 Bad
23 Bad

Sun - Rise: 08:16, Set: 16:31, Transit: 12:24. Moon - Rise: 21:51, Set: 10:33. Civil Dark: 17:09 - 07:38. Nautical Dark: 17:51 - 06:57. Astro Dark: 18:30 - 06:17

Total Clouds (% Sky Obscured)

88
93
64
69
76
64
64
71
83
90
76
77
92
90
97
97
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

77
87
64
69
76
64
64
65
66
60
47
34
55
75
79
85
84
99
100
100
93
94
92
83

Medium Clouds (% Sky Obscured)

25
31
1
1
2
11
2
6
36
65
63
66
84
88
87
72
100
99
100
100
96
84
100
82

High Clouds (% Sky Obscured)

40
8
0
0
1
2
0
5
26
60
55
45
4
54
60
86
100
100
100
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
1
0
0
7
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
20
2
0

Precipitation Type

None
None
None
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

Precipitation Probability (%)

36
50
42
18
9
5
2
2
10
0
0
0
0
0
12
32
59
67
69
77
95
71
26
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
1.2
0.4
0
0

Wind Speed/Direction (mph)

10
13
16
16
18
18
16
15
14
12
11
10
10
10
9
8
7
8
10
11
10
14
15
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
4
4
3
2
0
-1
-1
-0
-0
0
1
1
1
1
2
3
3
4
5
6
8
8
7

Relative Humidity (%)

86
88
86
82
76
71
73
75
76
76
76
75
72
71
71
78
88
91
96
98
98
95
95
87

Pressure (mb)

1010
1010
1010
1010
1010
1011
1011
1012
1013
1014
1014
1014
1014
1014
1014
1013
1013
1012
1011
1010
1009
1008
1008
1008

Ozone (du)

378
372
366
354
342
335
328
324
314
312
310
310
311
306
305
303
308
309
312
313
315
320
319
319

Thursday 8

Waning Gibbous 74%

23:06

10:45

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
22 Bad
23 Bad

Sun - Rise: 08:16, Set: 16:32, Transit: 12:24. Moon - Rise: 23:06, Set: 10:45. Civil Dark: 17:10 - 07:38. Nautical Dark: 17:52 - 06:57. Astro Dark: 18:31 - 06:17

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
57
48
55
27
29
38
48
59
55
53
46
59
73
86
91
95
100
100
99
100
100
100
100

Medium Clouds (% Sky Obscured)

78
100
100
97
100
100
99
100
94
97
100
100
100
100
100
100
100
100
100
100
100
55
50
40

High Clouds (% Sky Obscured)

100
100
100
85
89
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
55
50
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
5
0
0
0
4
3
2
1
9
9
9
9
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Sleet
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

15
8
8
4
4
4
9
10
10
31
62
78
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.9
1.4
1.4
0.9
2
2
0.7
1
1.4
1.7
1.9
2.3

Wind Speed/Direction (mph)

16
16
17
16
14
12
9
7
4
2
3
4
5
7
8
10
14
15
20
21
23
27
30
32

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
2
1
2
2
2
2
3
3
3
3
3
3
3
3
1
1
-1
-3
-7
-10
-12
-12

Dew Point (°C)

7
7
6
5
5
4
4
4
4
4
4
5
6
6
7
7
6
7
7
5
2
1
-1
1

Relative Humidity (%)

90
91
88
85
88
88
90
91
91
90
90
93
98
98
98
93
93
96
96
88
85
86
83
93

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1005
1003
1001
1000
998
995
993
990
988
986
986
986

Ozone (du)

319
318
318
317
316
316
316
317
319
321
321
319
317
320
324
321
320
320
322
328
340
355
359
358

Friday 9

Waning Gibbous 64%

No Rise

10:57

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 OK
21 Bad
22 Bad
23 OK

Sun - Rise: 08:15, Set: 16:34, Transit: 12:25. Moon - Rise: No Rise, Set: 10:57. Civil Dark: 17:12 - 07:38. Nautical Dark: 17:53 - 06:56. Astro Dark: 18:32 - 06:17

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
99
99
95
55
53
56
49
41
37
40
55
29

Low Clouds (% Sky Obscured)

100
100
100
90
82
65
73
69
77
65
43
31
43
56
65
55
53
53
49
41
37
40
42
29

Medium Clouds (% Sky Obscured)

49
75
96
100
94
85
77
97
100
97
81
73
74
52
39
31
23
13
9
4
1
1
33
2

High Clouds (% Sky Obscured)

32
32
44
88
100
100
100
100
100
78
57
30
25
40
42
2
1
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
2
2
3
1
2
5
8
6
6
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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

Precipitation Probability (%)

95
95
95
95
95
84
65
57
57
52
42
16
17
21
22
40
38
10
13
17
4
21
28
14

Precipitation Amount (mm)

2.4
2.4
2.1
1.7
1.1
0.6
0.3
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

33
32
30
30
27
24
22
21
20
21
19
19
19
19
19
19
17
16
15
13
12
11
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-10
-9
-8
-7
-6
-6
-5
-5
-5
-5
-4
-4
-4
-4
-4
-2
-2
-2
-2
-1
-1
-1
-2

Dew Point (°C)

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

Relative Humidity (%)

89
91
93
88
91
86
85
77
79
77
76
75
70
69
71
72
71
72
71
68
69
69
75
77

Pressure (mb)

986
988
989
991
992
993
994
996
997
998
999
1001
1002
1002
1003
1005
1006
1007
1008
1009
1010
1011
1012
1013

Ozone (du)

358
357
357
361
368
378
383
394
394
393
390
391
388
387
390
389
384
384
385
385
378
377
383
388

Saturday 10

Third Quarter 54%

00:18

11:09

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
22 Bad
23 Bad

Sun - Rise: 08:15, Set: 16:35, Transit: 12:25. Moon - Rise: 00:18, Set: 11:09. Civil Dark: 17:13 - 07:37. Nautical Dark: 17:54 - 06:56. Astro Dark: 18:33 - 06:16

Total Clouds (% Sky Obscured)

35
44
55
67
81
91
85
78
71
79
90
100
100
100
100
100
100
100
100
100
100
93
86
79

Low Clouds (% Sky Obscured)

35
42
44
33
21
10
7
3
2
12
24
33
55
74
93
96
98
100
96
93
89
82
74
66

Medium Clouds (% Sky Obscured)

15
32
50
50
45
39
37
43
50
55
58
61
73
86
98
98
99
100
99
97
92
81
73
61

High Clouds (% Sky Obscured)

0
1
2
24
44
54
52
70
71
79
90
100
100
100
100
100
100
100
100
100
100
83
53
25

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

23
26
28
29
27
22
17
13
4
12
17
25
47
56
59
84
95
95
95
95
95
95
95
50

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.5
0.9
1.5
2.1
2.6
3.1
1.8
0.8
0

Wind Speed/Direction (mph)

11
11
12
12
10
9
8
7
7
7
9
12
14
16
18
19
19
20
20
20
21
22
22
22

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
4
4
5
5
5
6
7
7
8
8
8
8
8
9
9
10
10
10

Feels Like (°C)

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

Dew Point (°C)

-1
-0
0
1
1
0
1
1
2
2
3
4
5
6
6
6
7
7
8
8
9
9
9
9

Relative Humidity (%)

73
75
77
79
79
76
76
77
80
82
85
86
88
88
88
87
91
93
96
96
96
96
95
93

Pressure (mb)

1014
1014
1015
1016
1016
1016
1016
1017
1017
1017
1016
1015
1015
1013
1012
1011
1009
1008
1006
1005
1003
1001
1001
1000

Ozone (du)

385
383
382
380
376
372
368
361
354
347
340
332
324
322
321
319
317
314
312
312
312
312
309
306

Sunday 11

Waning Crescent 44%

01:30

11:22

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
22 Bad
23 Bad

Sun - Rise: 08:14, Set: 16:36, Transit: 12:25. Moon - Rise: 01:30, Set: 11:22. Civil Dark: 17:14 - 07:37. Nautical Dark: 17:55 - 06:55. Astro Dark: 18:35 - 06:16

Total Clouds (% Sky Obscured)

80
81
82
82
83
83
88
92
97
96
95
94
95
96
97
93
90
86
86
85
86
82
77
71

Low Clouds (% Sky Obscured)

68
69
70
69
67
66
64
63
61
65
69
74
79
84
88
86
84
78
81
81
81
74
69
62

Medium Clouds (% Sky Obscured)

52
56
55
60
67
67
70
75
76
76
76
72
66
62
59
46
32
18
35
50
61
42
19
4

High Clouds (% Sky Obscured)

25
25
25
20
20
15
36
60
86
79
71
63
45
25
10
9
18
18
16
9
0
1
1
1

ISS Passover

Visibility (miles)

7
6
6
5
4
2
1
4
6
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

66
80
93
79
64
46
46
45
42
56
64
71
64
54
54
49
43
47
48
50
61
57
51
41

Precipitation Amount (mm)

0.3
0.4
0.6
0.4
0.3
0
0
0
0
0
0.2
0.3
0.3
0
0.2
0
0
0
0
0
0.3
0.2
0
0

Wind Speed/Direction (mph)

21
22
22
23
22
21
20
20
20
20
19
18
18
18
18
19
19
18
18
19
20
21
21
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
95
95
96
98
96
96
96
93
91
88
87
87
87
87
88
90
90
90
90
90
87

Pressure (mb)

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

Ozone (du)

303
303
304
305
303
301
300
301
303
305
305
306
307
309
312
314
316
319
321
324
327
330
332
333

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.43)

Generated: 05/01/26 14:01:59. Forecast: 05/01/26 to 11/01/26. Timezone: UTC+0.00