Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

New Moon 0%

05:56

20:37

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
04 Bad
05 OK

Sun - Rise: 05:59, Set: 20:03, Transit: 13:02. Moon - Rise: 05:56, Set: 20:37. Civil Dark: 20:38 - 05:23. Nautical Dark: 21:23 - 04:38. Astro Dark: 22:14 - 03:46

Total Clouds (% Sky Obscured)

55
65
73
79
99
100
93
95
96
93
96
97
93
91
99
97
98
97
100
96
73
59
85
32

Low Clouds (% Sky Obscured)

55
33
72
71
83
86
81
88
87
74
73
84
62
81
84
83
78
79
48
28
28
20
11
32

Medium Clouds (% Sky Obscured)

22
46
31
33
32
76
54
76
43
35
46
53
31
30
34
74
70
84
99
89
73
59
85
28

High Clouds (% Sky Obscured)

55
65
73
79
96
100
82
61
16
23
7
26
6
8
27
17
22
55
55
48
53
41
10
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
3
0
4
15
10
16
15
14
6
5
3
5
8
17
28
24
2
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
5
7
8
12
13
13
14
14
14
14
13
11
10
9
8
8
7
7
6
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
88
80
74
68
66
63
67
63
67
68
79
82
89
92
90
93
93
91
87
88
90
93

Pressure (mb)

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

Ozone (du)

363
365
365
367
368
367
366
366
365
365
365
370
366
365
366
368
370
370
369
368
372
374
375
378

Saturday 18

Waxing Crescent 2%

05:56

22:11

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

Sun - Rise: 05:57, Set: 20:04, Transit: 13:02. Moon - Rise: 05:56, Set: 22:11. Civil Dark: 20:40 - 05:21. Nautical Dark: 21:25 - 04:35. Astro Dark: 22:17 - 03:43

Total Clouds (% Sky Obscured)

29
23
73
59
53
48
39
61
66
59
57
50
68
74
57
39
39
19
2
0
0
9
27
19

Low Clouds (% Sky Obscured)

29
23
73
59
53
48
39
50
29
0
23
22
5
33
46
34
11
0
0
0
0
9
27
19

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
21
23
23
20
16
23
21
9
1
11
5
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
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 (%)

0
0
0
0
0
3
1
3
2
14
5
17
18
0
2
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)

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

Chance of Frost

Temperature (°C)

6
6
8
10
12
13
14
15
15
15
15
15
15
14
12
11
10
9
8
7
6
6
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
90
84
80
70
62
55
53
52
60
61
68
74
76
81
74
72
77
84
85
86
86
85

Pressure (mb)

1021
1022
1023
1023
1023
1023
1023
1023
1023
1022
1022
1023
1023
1023
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026

Ozone (du)

382
383
384
385
384
385
388
387
389
391
394
395
397
401
405
411
414
415
416
414
411
408
406
405

Sunday 19

Waxing Crescent 7%

06:21

23:43

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

Sun - Rise: 05:55, Set: 20:06, Transit: 13:01. Moon - Rise: 06:21, Set: 23:43. Civil Dark: 20:42 - 05:18. Nautical Dark: 21:27 - 04:33. Astro Dark: 22:19 - 03:40

Total Clouds (% Sky Obscured)

11
23
25
21
34
24
37
34
47
76
67
41
27
47
29
1
1
1
1
1
3
5
10
15

Low Clouds (% Sky Obscured)

11
23
25
21
24
17
17
18
29
45
57
35
27
32
29
0
0
0
1
0
0
1
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
5
11
0
33
4
5
0
0
0
0
0
1
1
1
3
7

High Clouds (% Sky Obscured)

0
0
0
0
9
7
36
34
30
25
24
1
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 (%)

0
0
0
0
0
0
0
0
0
0
0
3
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
75
68
61
57
55
53
50
49
49
50
58
66
68
73
79
88
90
90
93
94
91
89

Pressure (mb)

1026
1026
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

404
403
401
401
401
400
399
398
398
396
396
397
397
396
396
396
396
398
399
401
405
407
410
413

Monday 20

Waxing Crescent 14%

06:57

01:06

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

Sun - Rise: 05:52, Set: 20:08, Transit: 13:01. Moon - Rise: 06:57, Set: 01:06. Civil Dark: 20:44 - 05:16. Nautical Dark: 21:30 - 04:30. Astro Dark: 22:22 - 03:37

Total Clouds (% Sky Obscured)

21
23
23
24
34
44
59
71
81
93
75
81
71
51
21
0
23
45
68
73
83
91
88
85

Low Clouds (% Sky Obscured)

1
0
0
0
16
31
50
42
34
30
16
21
18
20
1
0
23
45
64
66
76
83
83
83

Medium Clouds (% Sky Obscured)

12
17
19
20
17
13
8
23
27
34
28
26
24
18
10
0
0
0
0
6
12
17
12
8

High Clouds (% Sky Obscured)

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

0
0
0
0
3
19
21
24
19
15
9
17
13
3
0
0
0
0
0
0
2
0
0
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)

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

Chance of Frost

Temperature (°C)

2
3
5
7
9
11
12
12
12
12
12
12
11
10
9
7
6
6
5
5
5
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
86
78
70
62
57
55
60
59
55
63
55
65
69
72
78
81
81
88
93
94
91
85
86

Pressure (mb)

1027
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

416
418
419
421
423
424
425
427
427
427
428
426
424
422
420
422
423
426
429
431
430
429
425
423

Tuesday 21

Waxing Crescent 24%

07:49

02:09

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

Sun - Rise: 05:50, Set: 20:09, Transit: 13:01. Moon - Rise: 07:49, Set: 02:09. Civil Dark: 20:46 - 05:14. Nautical Dark: 21:32 - 04:28. Astro Dark: 22:25 - 03:33

Total Clouds (% Sky Obscured)

79
82
73
81
71
53
34
36
40
44
39
34
30
52
56
66
67
70
70
75
77
80
79
79

Low Clouds (% Sky Obscured)

79
79
70
77
65
50
34
22
11
0
9
18
28
52
56
60
64
68
70
75
73
76
69
71

Medium Clouds (% Sky Obscured)

2
6
13
19
13
6
0
9
18
32
29
26
19
30
17
12
6
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
7
7
4
4
3
2
1
1
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 (%)

1
2
5
7
15
8
1
0
0
0
0
0
0
4
3
0
1
0
0
2
3
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
82
79
74
68
60
54
49
47
45
46
50
52
54
58
63
69
71
74
74
78
80
85
86

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

422
422
420
419
420
421
421
419
415
411
408
406
402
398
396
394
391
391
390
390
390
389
389
389

Wednesday 22

Waxing Crescent 35%

09:00

02:53

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

Sun - Rise: 05:48, Set: 20:11, Transit: 13:01. Moon - Rise: 09:00, Set: 02:53. Civil Dark: 20:48 - 05:12. Nautical Dark: 21:34 - 04:25. Astro Dark: 22:28 - 03:30

Total Clouds (% Sky Obscured)

77
70
64
58
64
73
76
60
48
36
38
38
39
26
13
0
0
0
0
0
1
0
10
24

Low Clouds (% Sky Obscured)

71
63
57
51
48
47
46
31
18
2
12
24
33
23
13
0
0
0
0
0
0
0
9
18

Medium Clouds (% Sky Obscured)

0
0
0
0
1
1
2
2
4
16
18
12
3
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

0
0
0
0
0
0
0
0
0
0
1
1
1
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
2
2
3
4
4
10
10
9
10
10
10
8
8
8
8
7
7
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

88
88
84
79
74
72
67
65
61
57
54
57
61
65
71
77
84
87
88
91
93
94
96
94

Pressure (mb)

1025
1026
1026
1026
1026
1025
1025
1025
1024
1024
1023
1023
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

389
388
388
388
388
386
384
381
382
383
384
388
391
394
398
402
406
406
406
406
406
406
406
404

Thursday 23

Waxing Crescent 46%

10:22

03:22

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

Sun - Rise: 05:46, Set: 20:13, Transit: 13:01. Moon - Rise: 10:22, Set: 03:22. Civil Dark: 20:49 - 05:09. Nautical Dark: 21:36 - 04:22. Astro Dark: 22:31 - 03:27

Total Clouds (% Sky Obscured)

40
30
21
11
8
5
1
4
5
6
4
3
2
4
5
7
22
37
46

Low Clouds (% Sky Obscured)

27
21
15
10
7
4
1
3
5
6
4
3
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
0
5
10
15

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
6
14
34

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
4
4
5
6
6
8
11
11
10
11
10
10
8
8
8
7
6

Dew Point (°C)

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

Relative Humidity (%)

93
90
79
71
63
58
54
51
50
50
50
53
58
62
65
68
72
74
78

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

402
400
399
398
397
394
392
390
388
385
383
381
378
376
374
372
370
370
369

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

Generated: 17/04/26 06:47:56. Forecast: 17/04/26 to 23/04/26. Timezone: UTC+1.00