Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 15

Waning Crescent 6%

05:11

17:41

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 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:05, Set: 19:59, Transit: 13:02. Moon - Rise: 05:11, Set: 17:41. Civil Dark: 20:35 - 05:30. Nautical Dark: 21:19 - 04:46. Astro Dark: 22:09 - 03:53

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
53
92
96
100
74
50
65
69
56
30
56
70
100
100
100
100

Low Clouds (% Sky Obscured)

90
93
93
96
97
97
74
61
53
70
45
63
67
50
65
69
56
30
56
70
62
47
35
58

Medium Clouds (% Sky Obscured)

27
23
19
37
40
26
31
15
0
40
45
52
55
7
0
0
0
0
0
0
100
100
100
100

High Clouds (% Sky Obscured)

98
100
100
100
93
45
100
100
53
0
0
0
0
7
0
0
0
0
2
55
100
100
100
0

ISS Passover

Visibility (miles)

6
2
2
3
1
3
8
9
7
9
9
5
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
Very Light Rain
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
4
1
8
45
39
21
37
40
32
54
64
48
8
7
3
0
0
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.3
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
8
9
10
11
12
12
14
18
21
21
17
18
16
15
14
13
11
11
11
11
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
96
96
96
95
92
86
67
66
70
76
84
80
79
81
86
91
95
91
90
90
90

Pressure (mb)

1016
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1014
1014
1015
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

349
349
348
347
346
346
349
353
359
359
359
362
380
396
410
407
405
400
396
394
388
387
389
389

Thursday 16

Waning Crescent 2%

05:24

19:07

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:03, Set: 20:01, Transit: 13:02. Moon - Rise: 05:24, Set: 19:07. Civil Dark: 20:37 - 05:27. Nautical Dark: 21:21 - 04:43. Astro Dark: 22:11 - 03:50

Total Clouds (% Sky Obscured)

90
57
59
81
48
71
83
95
94
97
100
100
100
100
100
100
100
100
96
94
91
87
78
88

Low Clouds (% Sky Obscured)

62
42
51
68
46
60
51
71
65
48
60
72
81
76
35
33
35
30
40
33
44
64
50
55

Medium Clouds (% Sky Obscured)

87
57
59
22
2
7
23
26
34
47
48
66
79
100
100
100
88
93
95
85
68
39
29
37

High Clouds (% Sky Obscured)

0
0
8
0
0
0
21
24
25
42
79
100
98
100
100
100
100
96
35
30
25
20
34
43

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
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 (%)

1
2
2
2
4
4
18
25
21
27
27
29
29
25
6
3
7
4
14
10
1
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)

12
12
13
10
10
12
12
13
13
13
12
11
11
11
10
9
7
7
6
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
81
76
81
75
69
63
59
57
58
66
68
73
75
79
83
87
88
85
90
95
95
96

Pressure (mb)

1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

388
389
389
388
386
381
376
372
369
367
367
364
361
358
357
356
358
359
359
363
367
364
361
360

Friday 17

New Moon 0%

05:38

20:37

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:01, Set: 20:03, Transit: 13:02. Moon - Rise: 05:38, Set: 20:37. Civil Dark: 20:38 - 05:25. Nautical Dark: 21:23 - 04:40. Astro Dark: 22:14 - 03:46

Total Clouds (% Sky Obscured)

78
73
80
85
89
78
84
83
86
100
100
85
86
87
84
99
95
93
96
97
98
98
98
97

Low Clouds (% Sky Obscured)

45
40
57
47
42
65
74
73
73
83
100
54
60
52
66
74
77
71
62
85
85
75
65
47

Medium Clouds (% Sky Obscured)

26
25
48
33
34
19
17
18
19
25
25
18
18
26
22
65
91
93
95
95
98
98
98
97

High Clouds (% Sky Obscured)

39
37
10
22
9
5
3
4
2
2
2
3
6
11
33
89
42
25
39
65
70
50
23
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
4
14
3
1
0
2
17
17
27
13
6
5
4
11
8
17
23
31

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)

4
4
4
4
6
9
11
12
12
13
13
11
12
12
11
11
9
7
6
6
6
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
6
7
9
10
12
12
13
12
12
12
13
12
12
11
10
10
10
10
9
9
8
8

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
93
87
79
67
60
58
59
62
69
64
69
74
82
87
93
95
96
98
95
93
95

Pressure (mb)

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

Ozone (du)

358
357
358
359
359
359
359
359
358
358
356
356
356
355
354
353
355
356
357
360
361
366
373
377

Saturday 18

Waxing Crescent 2%

05:56

22:11

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

Sun - Rise: 05:59, Set: 20:04, Transit: 13:02. Moon - Rise: 05:56, Set: 22:11. Civil Dark: 20:40 - 05:23. Nautical Dark: 21:25 - 04:38. Astro Dark: 22:17 - 03:43

Total Clouds (% Sky Obscured)

98
90
85
90
85
85
73
53
40
38
37
34
38
33
31
51
58
73
49
30
10
8
6
4

Low Clouds (% Sky Obscured)

41
39
34
45
50
54
52
46
39
37
37
34
37
33
29
47
39
44
34
22
9
8
6
4

Medium Clouds (% Sky Obscured)

98
39
50
70
75
75
53
27
0
0
0
0
0
0
0
9
20
30
22
12
0
0
0
0

High Clouds (% Sky Obscured)

7
5
5
28
51
74
51
26
5
3
2
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
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 (%)

31
29
23
20
17
9
10
10
1
0
0
0
0
3
9
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
96
94
87
80
72
65
59
55
53
51
51
52
60
69
70
72
73
77
79
77
76
79

Pressure (mb)

1022
1022
1022
1023
1023
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1026
1026
1027
1028
1028
1028
1029
1029
1029

Ozone (du)

380
384
388
390
392
393
397
398
396
394
391
390
388
385
383
382
382
383
384
382
377
376
377
378

Sunday 19

Waxing Crescent 7%

06:21

23:43

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

Sun - Rise: 05:57, Set: 20:06, Transit: 13:01. Moon - Rise: 06:21, Set: 23:43. Civil Dark: 20:42 - 05:21. Nautical Dark: 21:27 - 04:35. Astro Dark: 22:19 - 03:40

Total Clouds (% Sky Obscured)

3
2
2
1
1
0
6
12
19
27
36
45
62
81
98
91
85
86
84
87
88
95
98
100

Low Clouds (% Sky Obscured)

3
1
0
0
0
0
6
12
19
26
35
43
31
20
8
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
44
27
20
15
10
9
9
9
13

High Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
1
2
3
26
52
77
34
30
55
50
27
1
29
57
85

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
2
0
0
0
2
6
6
0
2
2
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
4
4
3
4
6
7
7
8
8
8
8
9
10
9
8
11
10
10
10
10
9
9
9

Chance of Frost

Temperature (°C)

5
4
4
4
6
9
11
13
14
15
15
16
16
15
14
14
11
10
9
8
7
7
7
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
82
82
75
69
64
59
56
52
51
49
50
54
62
65
68
72
75
78
81
84
87
88

Pressure (mb)

1029
1030
1030
1030
1030
1031
1031
1030
1030
1030
1029
1029
1029
1029
1028
1028
1027
1027
1027
1026
1026
1026
1025
1025

Ozone (du)

379
381
382
386
388
388
390
391
392
393
392
391
391
392
392
391
391
391
391
392
393
394
394
395

Monday 20

Waxing Crescent 14%

06:57

01:06

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:55, Set: 20:08, Transit: 13:01. Moon - Rise: 06:57, Set: 01:06. Civil Dark: 20:44 - 05:18. Nautical Dark: 21:30 - 04:33. Astro Dark: 22:22 - 03:37

Total Clouds (% Sky Obscured)

100
100
95
96
96
97
98
100
100
99
98
97
98
99
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

10
20
28
26
26
26
20
15
10
11
13
13
27
41
53
38
23
6
4
2
0
18
36
54

Medium Clouds (% Sky Obscured)

13
12
16
13
9
10
4
4
3
4
8
34
55
58
27
33
47
65
73
80
88
90
93
94

High Clouds (% Sky Obscured)

90
90
80
75
79
81
87
94
100
90
81
71
81
91
100
100
100
100
98
96
94
75
58
44

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
1
0
0
1
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
90
90
79
70
62
58
54
51
49
49
47
51
56
61
66
70
74
78
82
85
88
90

Pressure (mb)

1024
1024
1024
1024
1023
1023
1023
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021

Ozone (du)

395
395
394
394
393
392
391
391
391
390
391
391
391
391
390
390
390
390
390
389
388
387
387
387

Tuesday 21

Waxing Crescent 24%

07:49

02:09

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

Sun - Rise: 05:52, Set: 20:09, Transit: 13:01. Moon - Rise: 07:49, Set: 02:09. Civil Dark: 20:46 - 05:16. Nautical Dark: 21:32 - 04:30. Astro Dark: 22:25 - 03:33

Total Clouds (% Sky Obscured)

91
87
83
82
81
80
66
53
42
43
36
34
45
68
85
85
80
80
75
75
65

Low Clouds (% Sky Obscured)

36
18
0
7
14
19
12
7
1
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

91
87
83
82
75
64
45
26
8
7
5
2
1
1
0
0
0
0
1
1
1

High Clouds (% Sky Obscured)

42
34
54
51
45
45
39
31
24
34
36
34
36
21
5
5
10
10
20
30
50

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

Fog (%)

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

Precipitation Probability (%)

1
1
0
1
2
0
0
0
0
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

Wind Speed/Direction (mph)

12
12
12
12
13
15
16
16
17
18
17
17
17
15
14
13
12
11
10
10
10

Chance of Frost

Temperature (°C)

8
8
8
7
8
9
11
11
12
13
13
13
12
12
11
10
9
8
7
6
6

Feels Like (°C)

4
4
4
3
4
4
5
5
5
5
9
9
8
7
7
7
3
3
4
3
3

Dew Point (°C)

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

Relative Humidity (%)

91
87
82
77
69
62
55
50
45
39
39
39
38
42
47
51
57
61
66
72
78

Pressure (mb)

1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024

Ozone (du)

387
387
388
388
389
390
391
390
390
389
388
387
387
387
386
386
387
389
390
390
390

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

Generated: 15/04/26 04:25:19. Forecast: 15/04/26 to 21/04/26. Timezone: UTC+1.00