Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 23

Waxing Crescent 24%

10:01

22:37

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: 08:05, Set: 16:45, Transit: 12:26. Moon - Rise: 10:01, Set: 22:37. Civil Dark: 17:23 - 07:27. Nautical Dark: 18:05 - 06:46. Astro Dark: 18:45 - 06:06

Total Clouds (% Sky Obscured)

98
87
79
69
71
76
98
95
99
100
100
100
94
100
97
100
100
100
100
98
100
100
100
100

Low Clouds (% Sky Obscured)

54
49
52
60
68
75
96
86
86
99
100
87
83
88
82
100
100
100
100
97
100
90
91
82

Medium Clouds (% Sky Obscured)

9
2
0
5
0
0
47
56
95
93
42
89
93
90
36
18
16
16
11
17
30
55
60
60

High Clouds (% Sky Obscured)

6
0
0
0
0
0
0
24
38
32
42
52
38
8
8
4
6
9
4
4
5
6
46
56

ISS Passover

Visibility (miles)

4
8
5
9
9
7
8
9
9
9
9
4
0
0
6
9
9
9
9
9
9
9
9
9

Fog (%)

100
11
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
None
None
None
None
None
None
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

63
68
31
7
9
10
19
55
75
70
76
95
95
66
40
28
28
20
16
16
15
20
24
48

Precipitation Amount (mm)

0.4
0.7
0
0
0
0
0
0
0.5
0.4
0.3
0.9
1
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

20
20
21
22
22
23
24
26
26
26
26
25
24
23
23
23
22
22
23
23
22
23
23
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
3
3
3
3
3
3
3
3
4
4
4
4
3
3
4
4
3
4
3
3
4

Relative Humidity (%)

93
88
82
81
82
80
82
86
86
86
86
93
98
96
91
88
88
91
91
91
93
88
88
91

Pressure (mb)

980
980
980
980
980
980
980
980
981
982
982
983
983
984
985
986
986
987
987
988
988
989
989
989

Ozone (du)

393
392
392
393
397
400
397
396
395
396
396
398
402
404
404
405
405
405
404
403
404
409
413
415

Saturday 24

Waxing Crescent 34%

10:13

00:00

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 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:04, Set: 16:47, Transit: 12:26. Moon - Rise: 10:13, Set: 00:00. Civil Dark: 17:25 - 07:26. Nautical Dark: 18:06 - 06:45. Astro Dark: 18:46 - 06:05

Total Clouds (% Sky Obscured)

89
99
100
100
100
99
99
100
96
98
100
98
100
100
89
61
37
69
100
100
100
97
98
94

Low Clouds (% Sky Obscured)

80
88
93
85
87
98
87
87
90
93
99
94
94
100
78
60
1
8
17
83
75
84
84
89

Medium Clouds (% Sky Obscured)

26
38
41
41
55
96
49
82
54
65
68
93
99
26
16
0
23
25
98
99
92
72
71
46

High Clouds (% Sky Obscured)

9
91
100
100
95
80
61
94
48
34
45
72
65
71
30
1
5
33
72
76
98
66
48
0

ISS Passover

Visibility (miles)

9
9
9
7
9
8
0
0
0
0
0
0
0
0
6
9
9
9
9
1
4
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
59
58
62
86
6
1
1
63
62
59
81
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

59
77
66
57
70
95
95
95
95
95
95
95
83
44
28
6
2
6
11
19
46
65
64
48

Precipitation Amount (mm)

0.3
0.6
0.3
0
0.3
0.8
0.9
0.9
0.5
0.8
0.8
0.8
0.6
0
0
0
0
0
0
0
0
0.4
0.3
0

Wind Speed/Direction (mph)

24
24
24
25
25
26
25
25
24
22
19
16
15
13
11
10
9
7
7
8
10
13
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
91
86
88
90
98
96
96
98
98
98
98
98
96
94
98
98
98
98
96
91
91
91

Pressure (mb)

989
989
988
988
987
987
987
986
986
986
986
986
986
987
987
987
987
987
988
988
988
989
989
989

Ozone (du)

414
413
412
412
413
411
407
408
411
414
416
421
424
428
430
431
435
429
421
417
416
415
415
417

Sunday 25

Waxing Crescent 45%

10:29

01:26

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: 08:02, Set: 16:49, Transit: 12:26. Moon - Rise: 10:29, Set: 01:26. Civil Dark: 17:26 - 07:25. Nautical Dark: 18:08 - 06:43. Astro Dark: 18:48 - 06:03

Total Clouds (% Sky Obscured)

93
96
99
94
94
95
96
91
85
86
87
98
100
100
100
95
92
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

86
92
97
88
86
86
88
77
72
73
84
97
100
100
100
92
87
97
84
72
59
68
77
86

Medium Clouds (% Sky Obscured)

64
43
34
52
53
35
26
25
0
3
3
2
0
0
0
0
0
0
12
23
30
34
59
95

High Clouds (% Sky Obscured)

7
0
0
2
3
4
40
44
49
5
3
3
0
0
0
0
0
1
25
58
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
8
0
0
0
0
0
0
0
0

Fog (%)

100
35
7
2
1
0
1
2
6
28
52
34
41
41
41
41
41
41
41
41
41
41
41
41

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 (%)

46
45
36
36
43
41
27
25
12
4
2
3
1
1
1
2
1
5
6
7
2
1
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)

16
16
14
12
12
11
11
10
10
9
8
7
7
7
7
6
7
7
6
8
8
9
11
12

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
86
85
83
82
85
89
94
91
89
93
93
91
89
89
94
96
96
98
96
96
98
96
96

Pressure (mb)

989
990
990
991
992
993
994
995
996
996
997
998
998
998
999
999
999
999
999
999
999
999
998
998

Ozone (du)

416
415
416
417
418
420
421
422
423
425
429
431
432
430
433
430
425
427
428
431
437
451
454
436

Monday 26

First Quarter 57%

10:52

02:56

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: 08:01, Set: 16:50, Transit: 12:26. Moon - Rise: 10:52, Set: 02:56. Civil Dark: 17:28 - 07:24. Nautical Dark: 18:09 - 06:42. Astro Dark: 18:49 - 06:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
95
87
74
76
87
100
94
71
62
62
93
90
100
100
100

Low Clouds (% Sky Obscured)

82
77
73
82
90
100
92
84
75
68
60
53
56
60
64
57
49
42
50
58
66
77
89
95

Medium Clouds (% Sky Obscured)

98
99
100
100
100
100
100
94
100
82
60
40
24
73
100
70
65
60
60
50
30
25
66
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
78
37
40
50
50
50
55
59
64
26
38
55
60
92
89
85
67
55

ISS Passover

Visibility (miles)

0
6
0
0
0
0
0
0
0
0
0
0
0
0
9
9
9
9
9
9
9
9
9
9

Fog (%)

41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41

Precipitation Type

None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

11
15
27
84
95
95
95
95
95
95
95
78
42
21
4
3
3
1
1
2
0
84
95
95

Precipitation Amount (mm)

0
0
0
0.5
1
1.5
1.8
1.5
1.3
1.4
0.9
0.4
0
0
0
0
0
0
0
0
0
0.6
1
1.3

Wind Speed/Direction (mph)

14
15
16
16
17
18
20
18
17
16
16
15
16
12
12
9
8
6
5
6
7
8
10
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
98
98
98
96
98
98
98
98
98
98
98
86
91
89
91
91
88
86
89
89
88

Pressure (mb)

997
996
995
994
994
993
992
992
991
990
989
988
987
987
988
989
989
988
988
987
986
986
985
984

Ozone (du)

422
414
403
395
390
385
385
391
388
384
381
381
381
389
393
393
398
399
394
390
384
388
386
385

Tuesday 27

Waxing Gibbous 68%

11:25

04:26

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: 08:00, Set: 16:52, Transit: 12:27. Moon - Rise: 11:25, Set: 04:26. Civil Dark: 17:30 - 07:22. Nautical Dark: 18:11 - 06:41. Astro Dark: 18:51 - 06:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
93
90
93
97
100
100
100
100
100
100
100
100
100
100
98
97
96

Low Clouds (% Sky Obscured)

99
99
98
99
99
100
94
87
81
76
71
66
73
81
89
92
96
100
100
100
100
96
91
87

Medium Clouds (% Sky Obscured)

100
100
100
99
99
98
83
69
50
66
83
100
86
70
50
48
42
30
49
61
75
81
86
93

High Clouds (% Sky Obscured)

65
71
83
68
50
25
10
15
15
16
17
23
41
49
37
38
41
51
67
88
100
70
38
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
86
77
93
81
67
76
65
55
46
38
31
56
71
80
84
85
79

Precipitation Amount (mm)

1.4
1.4
1.3
1.2
0.9
0.6
0.6
0.5
0.3
0.9
0.7
0.3
0.4
0.3
0.2
0.1
0
0
0.2
0.3
0.4
0.5
0.6
0.4

Wind Speed/Direction (mph)

17
17
18
19
18
17
17
17
17
17
17
17
17
17
17
17
17
18
18
14
10
7
4
6

Chance of Frost

Temperature (°C)

4
4
3
3
3
3
4
4
4
5
4
4
4
4
4
4
4
3
3
4
4
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
91
89
89
96
96
98
96
96
98
98
98
98
98
96
98
98
98
96
98
98
98
98

Pressure (mb)

982
981
980
978
978
978
978
977
977
977
977
977
977
978
978
978
978
978
978
979
980
980
981
982

Ozone (du)

388
390
394
395
396
396
400
405
410
417
423
430
434
433
431
430
434
438
442
453
465
477
483
489

Wednesday 28

Waxing Gibbous 79%

No Rise

05:47

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: 07:58, Set: 16:54, Transit: 12:27. Moon - Rise: No Rise, Set: 05:47. Civil Dark: 17:31 - 07:21. Nautical Dark: 18:13 - 06:40. Astro Dark: 18:52 - 06:00

Total Clouds (% Sky Obscured)

97
98
99
100
100
100
93
84
72
73
79
84
81
79
76
71
67
64
60
61
57
68
78
87

Low Clouds (% Sky Obscured)

89
92
94
82
71
59
55
52
49
51
53
55
61
67
73
67
61
55
53
51
49
60
70
81

Medium Clouds (% Sky Obscured)

84
78
73
53
30
10
12
7
3
15
27
38
35
28
18
19
24
46
34
21
0
13
25
35

High Clouds (% Sky Obscured)

12
16
20
44
68
92
62
30
4
5
7
9
8
9
10
9
11
8
7
4
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41

Precipitation Type

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

Precipitation Probability (%)

60
48
47
48
43
53
56
43
21
19
18
9
23
33
47
73
88
94
74
53
28
54
69
76

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
9
11
11
12
13
12
12
12
13
13
14
13
12
11
10
9
7
6
4
3
5
8

Chance of Frost

Temperature (°C)

4
5
5
5
4
4
3
3
3
3
4
4
4
4
4
4
4
4
4
4
3
3
4
5

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
3
3
3
3
3
3
3
3
4
4
3
4
4
3
4
3
3
3
4
4

Relative Humidity (%)

98
96
96
94
94
96
100
100
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
96

Pressure (mb)

982
983
984
984
985
986
987
987
987
987
987
987
987
987
987
987
986
986
986
986
986
986
987
987

Ozone (du)

495
492
490
487
448
408
368
364
360
356
353
350
347
349
351
353
353
353
353
360
367
374
378
382

Thursday 29

Waxing Gibbous 88%

12:15

06:51

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: 07:57, Set: 16:56, Transit: 12:27. Moon - Rise: 12:15, Set: 06:51. Civil Dark: 17:33 - 07:20. Nautical Dark: 18:14 - 06:39. Astro Dark: 18:54 - 05:59

Total Clouds (% Sky Obscured)

88
91
97
98
99
99
99
100
99
99
100
100
100
99
99
89
79
69

Low Clouds (% Sky Obscured)

72
63
51
47
45
43
40
34
29
40
51
62
57
52
48
55
62
69

Medium Clouds (% Sky Obscured)

33
30
31
40
45
45
58
70
82
87
93
98
87
74
62
58
56
55

High Clouds (% Sky Obscured)

33
65
97
85
70
57
58
56
58
71
80
85
91
91
94
69
47
34

ISS Passover

Visibility (miles)

5
6
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41

Precipitation Type

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

Precipitation Probability (%)

63
46
33
29
25
17
19
18
6
16
23
27
33
31
22
32
33
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
11
11
12
10
8
7
7
8
7
8
9
10
9
9
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
90
85
88
91
93
93
93
93
93
93
89
91
89
88
89
91

Pressure (mb)

987
988
988
989
989
990
991
991
992
993
993
994
994
995
995
996
996
997

Ozone (du)

387
387
386
386
387
387
387
388
388
388
384
381
378
380
382
384
388
391

Forecast for Rhayader, Powys, United Kingdom (52.27,-3.57)

Generated: 23/01/26 12:41:00. Forecast: 23/01/26 to 29/01/26. Timezone: UTC+0.00