Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 2

Full Moon 99%

20:32

06:36

09 OK
10 OK
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
08 Bad

Sun - Rise: 06:32, Set: 19:38, Transit: 13:06. Moon - Rise: 20:32, Set: 06:36. Civil Dark: 20:12 - 05:58. Nautical Dark: 20:53 - 05:16. Astro Dark: 21:37 - 04:32

Total Clouds (% Sky Obscured)

29
45
62
82
86
88
87
59
86
78
79
97
89
95
100
99
98
99
99
100
97
94
100
100

Low Clouds (% Sky Obscured)

29
45
62
82
86
88
87
59
77
78
74
75
68
18
55
42
46
45
55
86
85
90
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
32
55
43
6
29
13
30
36
98
98
97
89
57
42
36
39
71

High Clouds (% Sky Obscured)

0
0
4
3
5
3
55
59
74
0
54
86
70
79
85
92
71
16
15
38
87
8
36
69

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 (%)

0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
12
21
40
51
37
27
35

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
6
7
8
6
5
5
5
3
2
2
3
4
5
7
6
6
8
8
9
10
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
74
71
68
66
61
59
59
59
60
70
71
67
69
84
88
85
82
78
77
79
82
85
87

Pressure (mb)

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

Ozone (du)

379
381
379
376
377
377
374
378
385
387
383
382
383
384
384
386
383
382
382
381
380
380
380
381

Friday 3

Waning Gibbous 96%

21:47

06:51

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
08 Bad

Sun - Rise: 06:29, Set: 19:39, Transit: 13:05. Moon - Rise: 21:47, Set: 06:51. Civil Dark: 20:13 - 05:55. Nautical Dark: 20:55 - 05:14. Astro Dark: 21:39 - 04:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
91
100
100
93
51
57
47
88
95
94
100
100
100
96

Low Clouds (% Sky Obscured)

100
87
68
61
92
100
62
68
58
30
45
42
32
38
25
29
24
39
47
86
100
100
100
75

Medium Clouds (% Sky Obscured)

68
74
29
48
52
85
75
88
83
90
55
45
33
33
51
14
19
44
51
76
55
99
74
90

High Clouds (% Sky Obscured)

41
100
100
100
100
100
100
100
100
100
85
100
100
87
39
31
18
17
20
25
3
2
12
6

ISS Passover

Visibility (miles)

9
5
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 (%)

21
7
7
17
24
30
13
1
4
9
8
24
17
23
24
7
16
17
3
1
11
7
3
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
95
95
90
89
83
89
89
92
93
93
92
90
91
91
90
91
95
95
95
93
93
91
90

Pressure (mb)

1012
1012
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

381
381
382
382
382
380
380
382
380
379
376
375
375
375
377
378
378
377
375
374
371
371
371
371

Saturday 4

Waning Gibbous 91%

23:03

07:09

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
08 Bad

Sun - Rise: 06:27, Set: 19:41, Transit: 13:05. Moon - Rise: 23:03, Set: 07:09. Civil Dark: 20:15 - 05:53. Nautical Dark: 20:57 - 05:11. Astro Dark: 21:42 - 04:26

Total Clouds (% Sky Obscured)

100
100
94
60
85
69
59
85
82
85
100
95
93
95
100
95
94
94
88
78
96
97
95
94

Low Clouds (% Sky Obscured)

92
60
80
43
68
63
49
82
81
77
95
73
54
89
100
91
80
70
56
45
50
53
55
49

Medium Clouds (% Sky Obscured)

94
98
75
12
26
26
11
20
4
0
14
14
28
88
81
88
77
69
27
24
34
53
68
66

High Clouds (% Sky Obscured)

88
62
30
11
3
5
9
11
16
38
89
65
25
18
24
18
19
12
13
17
26
31
45
58

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
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
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

16
3
2
0
0
0
0
0
0
4
13
15
7
3
6
50
47
13
7
8
5
2
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
16
16
18
19
20
20
20
21
21
21
20
20
21
19
20
20
17
17
16
16
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
9
9
10
10
10
9
9
8
6
6
5
4
5
5
5
4
3
3
3
1
1
2

Dew Point (°C)

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

Relative Humidity (%)

88
81
72
64
61
57
61
62
63
63
66
69
77
77
76
79
84
83
77
78
78
76
78
75

Pressure (mb)

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

Ozone (du)

370
371
370
370
370
370
369
371
369
369
368
370
372
373
373
373
377
379
379
384
385
384
385
386

Sunday 5

Waning Gibbous 85%

00:16

07:34

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

Sun - Rise: 06:25, Set: 19:43, Transit: 13:05. Moon - Rise: 00:16, Set: 07:34. Civil Dark: 20:17 - 05:50. Nautical Dark: 20:59 - 05:09. Astro Dark: 21:44 - 04:23

Total Clouds (% Sky Obscured)

84
95
92
98
72
43
15
43
62
91
68
37
0
10
10
10
40
72
100
98
100
100
95
91

Low Clouds (% Sky Obscured)

42
29
15
3
4
5
5
2
1
8
2
1
0
0
0
0
0
0
0
5
10
15
33
50

Medium Clouds (% Sky Obscured)

30
48
64
75
45
17
2
1
1
0
0
0
0
0
0
0
0
0
0
14
34
56
37
19

High Clouds (% Sky Obscured)

69
65
60
58
47
29
10
36
61
80
68
37
0
10
10
10
40
70
100
98
100
100
78
57

ISS Passover

Visibility (miles)

9
9
9
9
8
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 (%)

2
3
20
28
24
22
6
14
5
2
0
1
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)

16
17
17
19
18
18
16
16
14
13
11
8
6
5
4
4
3
2
2
2
2
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
63
68
65
60
60
61
55
58
65
67
73
76
76
78
79
82
83
83
83
83
83
82
75

Pressure (mb)

1015
1016
1017
1018
1019
1019
1020
1020
1021
1022
1023
1024
1024
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

387
388
390
389
391
393
391
389
392
393
386
384
381
379
376
373
371
370
369
367
366
364
363
364

Monday 6

Waning Gibbous 77%

01:25

08:09

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

Sun - Rise: 06:23, Set: 19:44, Transit: 13:05. Moon - Rise: 01:25, Set: 08:09. Civil Dark: 20:19 - 05:48. Nautical Dark: 21:01 - 05:06. Astro Dark: 21:46 - 04:20

Total Clouds (% Sky Obscured)

87
83
80
78
61
43
25
17
10
1
12
15
14
32
56
85
93
96
100
96
92
84
79
73

Low Clouds (% Sky Obscured)

70
72
71
69
54
40
24
16
8
0
0
0
0
0
0
0
0
0
0
7
14
20
14
9

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

39
38
34
31
27
17
6
3
7
1
12
15
14
31
52
77
80
83
85
83
76
62
39
21

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
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)

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

Chance of Frost

Temperature (°C)

7
9
11
12
13
14
14
14
14
13
12
11
11
10
10
10
10
10
10
10
10
10
9
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
64
64
58
56
55
53
54
55
61
67
70
71
73
74
74
77
80
84
87
88
90
90
83

Pressure (mb)

1026
1026
1026
1025
1024
1024
1023
1023
1022
1022
1022
1019
1018
1018
1017
1017
1016
1015
1015
1014
1013
1012
1011
1011

Ozone (du)

365
364
364
365
365
365
365
365
364
363
363
361
360
358
358
358
357
357
357
357
357
358
358
359

Tuesday 7

Waning Gibbous 69%

02:24

08:56

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
08 Bad

Sun - Rise: 06:20, Set: 19:46, Transit: 13:04. Moon - Rise: 02:24, Set: 08:56. Civil Dark: 20:20 - 05:46. Nautical Dark: 21:03 - 05:03. Astro Dark: 21:49 - 04:17

Total Clouds (% Sky Obscured)

67
76
90
95
87
84
81
84
83
86
87
88
85
94
98
98
97
97
96
97
98
98
85
72

Low Clouds (% Sky Obscured)

5
21
37
53
50
54
50
58
63
64
64
67
65
71
76
81
75
69
63
42
21
0
9
19

Medium Clouds (% Sky Obscured)

7
3
3
2
2
5
20
39
48
27
18
13
12
11
6
5
12
22
27
35
41
54
38
22

High Clouds (% Sky Obscured)

0
28
60
95
83
67
50
67
79
85
63
61
60
56
50
42
39
45
51
44
33
49
35
17

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

29
28
24
9
15
18
11
17
30
32
58
71
86
85
81
73
63
47
21
13
8
2
4
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
14
13
13
14
13
12
12
10
8
7
7
6
7
7
6
6
6
7
8
7
6
6
7

Chance of Frost

Temperature (°C)

12
14
16
17
19
19
19
19
18
17
16
15
13
12
11
11
10
10
9
9
9
8
8
9

Feels Like (°C)

7
8
8
9
10
17
17
16
16
16
16
14
15
15
14
13
13
9
9
9
9
9
9
7

Dew Point (°C)

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

Relative Humidity (%)

79
73
68
64
61
61
62
63
67
73
78
83
89
93
95
95
95
96
96
98
98
96
96
91

Pressure (mb)

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

Ozone (du)

360
360
360
360
359
361
363
365
364
363
362
364
365
366
366
366
365
365
364
363
364
365
365
366

Wednesday 8

Waning Gibbous 59%

03:11

08:56

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: 06:18, Set: 19:48, Transit: 13:04. Moon - Rise: 03:11, Set: 08:56. Civil Dark: 20:22 - 05:44. Nautical Dark: 21:05 - 05:01. Astro Dark: 21:51 - 04:14

Total Clouds (% Sky Obscured)

59
65
71
76
67
69
71
86
93
89
88
82
80
75
75
65

Low Clouds (% Sky Obscured)

31
39
42
50
44
36
39
38
43
52
51
56
70
67
63
47

Medium Clouds (% Sky Obscured)

5
4
5
4
12
14
15
28
41
51
56
60
65
65
65
60

High Clouds (% Sky Obscured)

6
10
14
18
17
10
2
3
4
5
5
10
10
18
24
36

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
1
1
0
0
0
0
2
1
1
27
31
34
33
30
25

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
9
9
10
13
12
12
12
13
12
7
7
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

88
86
77
71
66
67
68
68
72
76
80
81
85
87
87
87

Pressure (mb)

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

Ozone (du)

366
367
367
366
366
367
368
369
370
371
372
375
378
382
383
384

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

Generated: 02/04/26 09:06:43. Forecast: 02/04/26 to 08/04/26. Timezone: UTC+1.00