Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 1

Full Moon 100%

20:47

05:15

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

Sun - Rise: 05:31, Set: 20:26, Transit: 12:59. Moon - Rise: 20:47, Set: 05:15. Civil Dark: 21:04 - 04:52. Nautical Dark: 21:54 - 04:02. Astro Dark: 22:56 - 02:59

Total Clouds (% Sky Obscured)

12
27
27
29
74
82
74
45
37
12
0
0
0
0
12
22
11
54
99
100
100
98
84
70

Low Clouds (% Sky Obscured)

0
0
0
29
48
44
62
45
34
0
0
0
0
0
12
22
0
0
3
3
24
25
24
18

Medium Clouds (% Sky Obscured)

12
4
7
9
26
33
23
0
3
6
0
0
0
0
7
8
7
21
20
21
20
65
84
70

High Clouds (% Sky Obscured)

0
3
3
0
0
0
0
0
0
0
0
0
0
0
6
4
9
36
99
100
100
98
78
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
6
7
7
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 (%)

0
0
0
1
9
33
42
33
32
26
6
2
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

15
17
19
20
21
22
22
21
21
20
19
18
16
14
12
11
10
9
9
8
9
9
8
9

Feels Like (°C)

14
16
18
20
21
20
20
20
19
19
17
17
16
14
12
10
9
8
7
6
6
7
7
8

Dew Point (°C)

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

Relative Humidity (%)

69
65
66
68
65
62
62
66
67
72
76
77
83
90
92
91
90
93
95
93
93
93
93
87

Pressure (mb)

1020
1021
1021
1021
1020
1020
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019

Ozone (du)

373
373
371
368
369
370
369
367
367
367
367
365
364
363
367
366
365
363
363
365
366
367
371
374

Saturday 2

Waning Gibbous 98%

22:01

05:38

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:29, Set: 20:28, Transit: 12:59. Moon - Rise: 22:01, Set: 05:38. Civil Dark: 21:06 - 04:50. Nautical Dark: 21:56 - 04:00. Astro Dark: 22:59 - 02:55

Total Clouds (% Sky Obscured)

59
69
73
100
100
58
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

0
3
32
8
0
0
28
80
71
32
81
96
88
78
81
84
91
94
98
100
100
100
89
93

Medium Clouds (% Sky Obscured)

59
69
73
71
20
29
45
100
100
100
100
100
100
100
100
91
100
93
100
100
90
31
84
80

High Clouds (% Sky Obscured)

59
66
15
53
52
36
73
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
61

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
7
9
8
5
8
9
6
7
6
8
2
0
9
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
4
44
86
95
95
95
95
61
68
88
95
76
68
55
36
25
7
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.6
0.5
0.8
1.1
0.8
0
0.2
0.5
0.9
0.2
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

3
4
4
5
5
6
5
5
7
8
8
4
4
3
4
5
5
5
5
5
5
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
11
13
14
16
19
19
19
17
15
13
14
13
13
12
12
12
11
11
12
12
10
9
10

Dew Point (°C)

8
8
7
7
9
10
11
11
10
10
11
13
13
13
13
13
12
12
12
13
13
12
12
12

Relative Humidity (%)

80
71
61
56
55
55
55
55
57
60
74
87
93
96
96
98
96
96
96
98
98
96
93
95

Pressure (mb)

1019
1018
1018
1017
1017
1016
1015
1014
1013
1013
1012
1012
1012
1011
1011
1010
1009
1008
1007
1007
1006
1006
1007
1007

Ozone (du)

375
376
376
377
378
377
376
375
375
375
373
374
372
372
374
372
373
375
377
380
383
385
385
387

Sunday 3

Waning Gibbous 95%

23:12

06:09

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:27, Set: 20:29, Transit: 12:59. Moon - Rise: 23:12, Set: 06:09. Civil Dark: 21:08 - 04:48. Nautical Dark: 21:59 - 03:57. Astro Dark: 23:03 - 02:52

Total Clouds (% Sky Obscured)

96
99
95
91
95
97
93
96
93
73
77
82
87
81
68
72
76
79
84
86
81
84
85
87

Low Clouds (% Sky Obscured)

96
99
95
91
95
97
93
96
93
73
77
82
87
76
52
41
39
39
40
40
50
64
79
82

Medium Clouds (% Sky Obscured)

20
16
16
26
32
26
24
22
21
15
19
19
20
15
16
19
20
25
28
26
26
35
43
57

High Clouds (% Sky Obscured)

66
42
13
7
5
17
3
1
0
1
3
11
7
2
0
1
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
8
8
7
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 (%)

8
25
30
45
48
44
41
34
20
18
12
9
4
3
2
4
1
1
1
1
4
10
8
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)

9
10
11
11
12
13
13
13
13
11
10
8
5
4
4
4
4
4
3
3
2
3
3
2

Chance of Frost

Temperature (°C)

13
14
14
15
15
15
14
14
14
13
14
13
12
11
11
10
10
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
82
75
66
61
59
61
62
67
69
70
76
86
88
91
95
96
95
95
93
95
95
95
90

Pressure (mb)

1007
1007
1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1011
1011
1012
1012
1012
1012
1012
1013
1013
1013
1014

Ozone (du)

386
384
385
385
387
388
391
393
393
390
389
390
390
391
392
392
389
386
385
384
384
385
385
386

Monday 4

Waning Gibbous 90%

00:15

06:51

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:26, Set: 20:31, Transit: 12:59. Moon - Rise: 00:15, Set: 06:51. Civil Dark: 21:10 - 04:46. Nautical Dark: 22:01 - 03:55. Astro Dark: 23:06 - 02:48

Total Clouds (% Sky Obscured)

82
80
84
79
87
91
95
100
89
84
74
79
72
63
70
74
76
81
83
89
91
91
90
58

Low Clouds (% Sky Obscured)

74
66
75
79
85
87
89
91
68
51
26
44
44
37
45
50
50
57
63
69
75
78
78
49

Medium Clouds (% Sky Obscured)

58
54
57
57
53
52
41
40
32
29
26
26
26
22
28
34
34
39
40
45
38
39
33
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
0
0
0
0
1
3
5
7
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
7
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 (%)

4
4
10
13
30
29
24
15
14
25
30
21
6
14
2
2
1
3
5
3
12
12
5
6

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)

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

Chance of Frost

Temperature (°C)

11
12
13
14
15
16
16
16
16
15
15
15
14
13
12
11
11
10
10
10
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
77
70
62
57
54
51
57
69
72
69
78
83
86
87
90
88
91
91
93
93
91
95
91

Pressure (mb)

1014
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

387
388
388
387
385
383
382
380
380
379
378
378
379
381
384
386
387
388
389
390
391
390
387
383

Tuesday 5

Waning Gibbous 83%

01:06

07:46

08 OK
09 OK
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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:24, Set: 20:32, Transit: 12:59. Moon - Rise: 01:06, Set: 07:46. Civil Dark: 21:12 - 04:44. Nautical Dark: 22:03 - 03:52. Astro Dark: 23:10 - 02:44

Total Clouds (% Sky Obscured)

38
17
43
70
98
96
94
91
92
94
96
83
86
92
94
96
96
97
99
100
98
95
93
89

Low Clouds (% Sky Obscured)

33
12
17
23
26
26
23
22
36
51
65
29
21
13
19
24
30
37
47
54
61
66
72
72

Medium Clouds (% Sky Obscured)

14
3
22
40
64
56
53
59
65
71
68
38
22
15
17
19
25
43
61
80
76
72
69
49

High Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
1
1
1
13
21
55
62
53
42
58
74
90
63
32
4
8

ISS Passover

Visibility (miles)

9
9
7
4
5
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 (%)

4
12
29
30
27
28
29
17
25
24
20
26
21
8
14
13
6
13
14
11
21
23
21
26

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
8
8
9
9
10
10
10
9
10
11
8
6
4
4
4
4
3
4
4
5
5
6

Chance of Frost

Temperature (°C)

11
12
13
14
14
15
15
15
15
14
14
13
12
11
11
10
9
9
8
8
8
8
8
8

Feels Like (°C)

10
11
12
11
12
13
13
12
12
12
11
9
10
9
9
9
9
9
5
6
6
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

87
81
75
71
73
65
60
60
58
60
65
72
73
73
73
77
82
87
88
90
91
88
85
84

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1013
1013
1013
1013
1013
1012
1012
1012
1012

Ozone (du)

382
382
382
383
384
384
384
384
384
383
383
382
384
385
387
384
382
379
380
380
380
381
383
384

Wednesday 6

Waning Gibbous 75%

01:45

No Set

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:22, Set: 20:34, Transit: 12:59. Moon - Rise: 01:45, Set: No Set. Civil Dark: 21:13 - 04:42. Nautical Dark: 22:05 - 03:50. Astro Dark: 23:14 - 02:40

Total Clouds (% Sky Obscured)

84
80
84
87
92
93
96
98
97
97
96
97
98
98
98
98
97
98
98
100
100
99
100
100

Low Clouds (% Sky Obscured)

70
68
67
65
64
63
58
57
55
56
59
59
56
56
53
49
46
51
56
61
64
67
70
73

Medium Clouds (% Sky Obscured)

28
8
15
25
34
54
74
93
83
73
40
46
57
70
56
39
24
23
26
27
42
57
79
82

High Clouds (% Sky Obscured)

8
7
7
4
2
0
0
0
0
1
3
10
14
18
29
36
45
48
56
61
51
37
34
40

ISS Passover

Visibility (miles)

9
9
9
8
7
6
7
8
9
9
8
7
8
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 (%)

25
17
34
40
42
43
44
45
44
43
43
42
41
40
42
40
37
40
35
11
16
16
14
19

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

Chance of Frost

Temperature (°C)

9
10
11
12
13
13
13
12
12
12
11
11
10
10
9
9
8
8
8
7
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
72
66
67
67
69
75
79
84
86
87
87
90
91
95
95
96
96
96
94
94
94
94
94

Pressure (mb)

1012
1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012

Ozone (du)

384
385
386
386
386
386
388
389
391
391
392
392
392
391
391
393
394
396
398
399
401
405
409
413

Thursday 7

Waning Gibbous 66%

02:13

08:51

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
00 Bad

Sun - Rise: 05:20, Set: 20:36, Transit: 12:59. Moon - Rise: 02:13, Set: 08:51. Civil Dark: 21:15 - 04:41. Nautical Dark: 22:08 - 03:47. Astro Dark: 23:18 - 02:36

Total Clouds (% Sky Obscured)

99
99
96
92
91
92
92
96
92
87
81
80
78
76
72
70
61

Low Clouds (% Sky Obscured)

77
81
82
85
84
86
87
84
65
50
40
36
33
26
23
20
14

Medium Clouds (% Sky Obscured)

85
87
62
41
18
44
59
70
60
50
42
40
38
36
39
41
41

High Clouds (% Sky Obscured)

39
35
28
24
17
16
9
5
4
3
2
3
6
8
13
16
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
7
8
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 (%)

21
21
26
32
37
38
40
42
41
42
44
40
33
22
19
14
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
9
10
12
13
12
12
12
11
11
11
9
8
6
6
6

Feels Like (°C)

6
6
6
6
6
6
11
9
9
8
9
9
7
7
7
6
6

Dew Point (°C)

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

Relative Humidity (%)

90
84
78
68
58
50
54
58
62
65
68
73
80
85
94
93
93

Pressure (mb)

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

Ozone (du)

411
409
407
406
404
402
400
399
397
396
395
395
394
394
394
395
397

Forecast for Bray Court, Windsor and Maidenhead, United Kingdom (51.50,-0.70)

Generated: 01/05/26 08:31:58. Forecast: 01/05/26 to 07/05/26. Timezone: UTC+1.00