Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 3

Full Moon 99%

15:58

09:42

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

Sun - Rise: 08:25, Set: 16:16, Transit: 12:21. Moon - Rise: 15:58, Set: 09:42. Civil Dark: 16:56 - 07:44. Nautical Dark: 17:40 - 07:01. Astro Dark: 18:22 - 06:19

Total Clouds (% Sky Obscured)

62
52
45
50
4
7
5
1
4
10
67
57
22
67
40
69
69
23
26
18
34
19
53
78

Low Clouds (% Sky Obscured)

21
21
5
0
0
0
0
0
0
5
22
30
22
37
31
43
44
23
26
18
34
19
53
44

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
5
6
0
0
3
3
3
0
0
0
0
2
21
37

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
0
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
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 (%)

11
16
18
7
7
6
2
2
2
3
5
8
9
12
15
17
14
10
10
10
11
13
14
28

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)

15
15
16
15
13
12
10
10
8
7
9
9
8
8
7
7
7
7
6
6
6
5
5
6

Chance of Frost

Temperature (°C)

2
3
3
3
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
61
58
58
64
65
66
63
63
63
64
65
63
65
65
69
77
76
70
69
64
63
59
54

Pressure (mb)

1014
1014
1014
1015
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1017
1017
1017
1017
1017

Ozone (du)

327
325
322
323
327
330
330
328
323
322
322
324
325
328
332
338
342
343
347
348
352
353
353
353

Sunday 4

Waning Gibbous 96%

17:29

10:05

12 Bad
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 OK
08 OK
09 OK
10 OK
11 Good

Sun - Rise: 08:25, Set: 16:17, Transit: 12:21. Moon - Rise: 17:29, Set: 10:05. Civil Dark: 16:58 - 07:44. Nautical Dark: 17:41 - 07:01. Astro Dark: 18:23 - 06:19

Total Clouds (% Sky Obscured)

82
72
85
88
79
79
100
100
100
100
100
90
94
78
83
92
47
38
41
35
26
22
17
4

Low Clouds (% Sky Obscured)

63
27
38
38
45
48
60
53
56
53
39
49
47
56
52
46
41
35
38
28
26
22
10
3

Medium Clouds (% Sky Obscured)

52
64
84
66
74
65
100
100
100
100
100
82
88
57
77
76
33
17
1
1
3
1
0
0

High Clouds (% Sky Obscured)

1
6
12
4
1
2
2
2
3
14
40
45
22
20
0
0
2
2
2
1
3
2
13
2

ISS Passover

Visibility (miles)

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

Precipitation Type

None
Snow
Snow
Snow
Snow
Snow
Light Rain
Sleet
Sleet
Sleet
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

43
49
54
55
51
47
63
73
80
86
86
65
62
48
39
38
20
26
11
8
8
9
7
3

Precipitation Amount (mm)

0
0.2
0.2
0.3
0.2
0.2
0.4
0.6
0.6
0.7
0.6
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
10
11
11
13
12
12
13
12
14
14
13
11
9
10
9
8
7
6
6
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
63
76
69
69
69
72
73
73
76
83
85
91
91
80
82
83
89
88
77
71
70
66
62

Pressure (mb)

1017
1017
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1014
1015
1015
1015
1015
1015
1016
1016
1017
1017
1018

Ozone (du)

348
347
349
352
358
368
381
382
377
376
375
377
377
375
376
378
379
386
390
390
390
397
399
397

Monday 5

Waning Gibbous 90%

19:01

10:22

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

Sun - Rise: 08:24, Set: 16:18, Transit: 12:21. Moon - Rise: 19:01, Set: 10:22. Civil Dark: 16:59 - 07:44. Nautical Dark: 17:42 - 07:00. Astro Dark: 18:24 - 06:19

Total Clouds (% Sky Obscured)

3
0
0
0
1
3
6
5
6
6
4
29
18
24
24
60
44
54
96
100
100
100
99
100

Low Clouds (% Sky Obscured)

3
0
0
0
0
0
1
1
1
0
1
14
18
24
24
48
44
54
59
53
43
40
40
36

Medium Clouds (% Sky Obscured)

0
0
0
0
1
0
0
0
0
2
0
0
2
6
4
7
19
38
36
33
36
41
61
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
44
54
57
56
54
66
87
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
8
9
8
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

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 (%)

1
1
1
2
2
2
3
4
5
2
4
4
5
6
7
7
6
15
11
17
12
9
15
4

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
61
62
65
66
66
66
67
67
69
69
71
73
74
75
78
80
81
84
84
83
81
79
75

Pressure (mb)

1018
1018
1018
1018
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1019
1019
1018
1018

Ozone (du)

393
395
396
398
399
400
396
392
388
385
383
381
380
381
375
373
373
372
370
371
370
374
372
373

Tuesday 6

Waning Gibbous 83%

20:27

10:34

12 Bad
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

Sun - Rise: 08:24, Set: 16:20, Transit: 12:22. Moon - Rise: 20:27, Set: 10:34. Civil Dark: 17:00 - 07:43. Nautical Dark: 17:44 - 07:00. Astro Dark: 18:25 - 06:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
96
94
96
97
83
50
26
55
52
77
100
99
91
74

Low Clouds (% Sky Obscured)

49
61
71
80
86
98
94
87
100
84
70
55
61
66
66
50
26
52
48
50
55
66
74
74

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
87
75
50
30
43
63
48
49
26
55
52
50
40
95
60
15

High Clouds (% Sky Obscured)

100
100
100
59
50
30
40
45
55
55
2
0
0
0
0
0
0
0
0
0
0
5
0
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
4
6
4
0
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
Snow
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
None
Snow
Very Light Rain
Snow
None
Snow
Snow
Sleet

Precipitation Probability (%)

11
5
6
25
46
67
95
95
95
95
95
85
95
75
52
52
53
50
59
56
43
68
83
95

Precipitation Amount (mm)

0
0
0
0
0
0.3
1
1.7
2.4
1.8
1.3
0.3
0.7
0.3
0
0.2
0
0.2
0.3
0.2
0
0.3
0.5
0.8

Wind Speed/Direction (mph)

6
7
8
8
9
10
12
8
12
18
17
15
13
14
10
11
12
13
13
13
14
14
16
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
68
68
72
72
71
71
75
82
83
90
94
96
85
80
79
79
74
76
79
77
76
75

Pressure (mb)

1017
1016
1015
1014
1014
1013
1012
1011
1010
1009
1008
1008
1007
1007
1007
1008
1008
1008
1008
1008
1009
1009
1009
1009

Ozone (du)

374
372
372
375
375
374
374
377
377
378
379
381
381
379
385
387
385
383
379
381
383
374
363
353

Wednesday 7

Waning Gibbous 74%

21:48

10:45

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
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: 08:23, Set: 16:21, Transit: 12:22. Moon - Rise: 21:48, Set: 10:45. Civil Dark: 17:01 - 07:43. Nautical Dark: 17:45 - 07:00. Astro Dark: 18:26 - 06:18

Total Clouds (% Sky Obscured)

40
96
94
91
90
89
81
81
74
38
19
21
46
70
95
95
96
96
92
93
90
91
96
100

Low Clouds (% Sky Obscured)

40
70
58
50
42
37
40
50
55
35
16
0
3
6
8
15
18
24
25
26
28
40
49
58

Medium Clouds (% Sky Obscured)

12
3
0
0
4
4
9
3
2
1
0
0
3
6
9
21
41
59
69
79
80
80
85
85

High Clouds (% Sky Obscured)

6
3
5
3
1
1
0
1
0
1
2
2
14
46
75
75
75
75
60
50
45
43
68
100

ISS Passover

Visibility (miles)

9
9
8
5
9
8
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

Sleet
Sleet
Sleet
Sleet
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

84
75
69
63
51
31
30
27
5
6
5
9
14
13
9
14
12
8
9
7
0
0
1
0

Precipitation Amount (mm)

0.6
0.5
0.5
0.4
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
17
16
15
13
11
9
7
5
5
4
4
4
4
4
5
5
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
68
70
75
77
77
75
75
76
76
76
76
76
77
80
80
81
83
86
86
86
88
83
82

Pressure (mb)

1009
1009
1009
1009
1010
1010
1011
1011
1012
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017

Ozone (du)

338
325
323
325
322
323
326
328
327
327
327
327
326
326
325
324
324
324
324
325
326
327
327
327

Thursday 8

Waning Gibbous 64%

23:05

10:54

12 Bad
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

Sun - Rise: 08:23, Set: 16:22, Transit: 12:23. Moon - Rise: 23:05, Set: 10:54. Civil Dark: 17:02 - 07:43. Nautical Dark: 17:46 - 06:59. Astro Dark: 18:27 - 06:18

Total Clouds (% Sky Obscured)

97
96
98
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)

39
19
0
0
0
5
11
17
18
42
71
100
100
100
100
96
94
94
97
97
99
97
96
93

Medium Clouds (% Sky Obscured)

92
94
95
97
98
100
100
100
100
100
100
100
100
100
100
100
100
100
91
83
74
66
57
45

High Clouds (% Sky Obscured)

84
71
53
44
38
30
58
79
100
100
100
100
100
100
100
100
100
100
77
50
15
15
15
15

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
12
19
26
49
62
70
79
87
93
95
95
95
95
95
90
95
95
95
92
82
70

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
8
9
11
12
14
15
16
18
20
22
24
27
29
31
33
29
25
21
13
11
14
16
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
77
76
79
82
85
86
91
94
93
91
91
89
88
88
88
90
91
91
93
93
91
91

Pressure (mb)

1017
1016
1015
1014
1013
1012
1011
1010
1008
1007
1004
1002
1000
997
995
992
991
989
988
988
989
989
989
989

Ozone (du)

326
326
326
326
326
327
327
329
330
331
332
333
334
336
338
340
344
348
353
353
353
353
355
357

Friday 9

Waning Gibbous 54%

00:19

11:04

12 Bad
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: 08:22, Set: 16:24, Transit: 12:23. Moon - Rise: 00:19, Set: 11:04. Civil Dark: 17:04 - 07:42. Nautical Dark: 17:47 - 06:59. Astro Dark: 18:28 - 06:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
98
95
97
98
100
96
92
88
75
62
50

Low Clouds (% Sky Obscured)

96
98
100
100
99
98
93
89
86
89
90
90
80
68
54
50
46
41

Medium Clouds (% Sky Obscured)

59
76
100
99
99
98
79
63
46
59
81
97
93
87
82
64
52
50

High Clouds (% Sky Obscured)

9
8
11
14
11
11
35
63
90
93
92
85
57
28
0
4
9
13

ISS Passover

Visibility (miles)

8
7
6
5
3
2
0
3
6
9
9
9
9
9
9
9
8
6

Fog (%)

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

Precipitation Probability (%)

68
68
70
77
84
90
83
78
76
76
70
54
50
52
58
61
59
56

Precipitation Amount (mm)

0.3
0.3
0.3
0.4
0.5
0.5
0.4
0.4
0.4
0.5
0.4
0
0
0
0
0.2
0.2
0.2

Wind Speed/Direction (mph)

19
20
20
22
22
22
22
21
20
20
17
14
12
12
12
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
88
88
91
94
98
93
87
79
79
78
79
79
81
81
81
82

Pressure (mb)

990
990
991
991
992
992
993
993
993
994
994
993
993
994
995
996
998
999

Ozone (du)

358
359
359
359
363
367
372
378
384
390
388
386
384
383
382
381
379
377

Forecast for Aberystwyth, Ceredigion, United Kingdom (52.42,-4.08)

Generated: 03/01/26 12:51:47. Forecast: 03/01/26 to 09/01/26. Timezone: UTC+0.00