Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 21

Waxing Crescent 9%

06:34

22:07

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

Sun - Rise: 06:01, Set: 18:18, Transit: 12:09. Moon - Rise: 06:34, Set: 22:07. Civil Dark: 18:51 - 05:28. Nautical Dark: 19:30 - 04:48. Astro Dark: 20:12 - 04:07

Total Clouds (% Sky Obscured)

38
53
63
100
86
51
84
82
35
35
32
33
5
0
0
0
0
0
0
0
0
18
0
8

Low Clouds (% Sky Obscured)

21
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
0
8

Medium Clouds (% Sky Obscured)

4
0
4
14
15
8
16
13
13
17
14
17
5
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

38
53
63
100
86
51
43
79
35
35
32
33
5
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
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
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
1
0
-1
-1
1
5
6
6
8
9
10
9
11
11
9
6
6
5
4
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

73
71
71
68
68
68
61
53
48
44
43
42
40
41
46
60
66
66
66
68
75
79
80
83

Pressure (mb)

1020
1020
1020
1020
1020
1020
1021
1021
1021
1020
1020
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

376
375
375
376
375
376
376
377
375
375
372
369
369
368
368
365
367
369
372
373
375
376
375
378

Sunday 22

Waxing Crescent 17%

06:53

23:39

02 Good
03 OK
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

Sun - Rise: 05:59, Set: 18:19, Transit: 12:09. Moon - Rise: 06:53, Set: 23:39. Civil Dark: 18:53 - 05:26. Nautical Dark: 19:32 - 04:46. Astro Dark: 20:14 - 04:04

Total Clouds (% Sky Obscured)

8
36
50
63
71
61
71
63
82
59
83
79
100
100
100
100
100
100
100
100
96
100
100
60

Low Clouds (% Sky Obscured)

8
33
50
63
71
61
71
62
53
35
0
0
0
0
0
0
0
0
0
55
49
31
45
44

Medium Clouds (% Sky Obscured)

0
0
3
3
0
0
0
0
11
12
14
18
36
41
43
96
100
100
100
100
88
99
24
13

High Clouds (% Sky Obscured)

0
7
7
3
5
3
4
8
25
18
56
66
78
96
100
100
100
54
100
62
37
100
81
1

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
3
100
100
100
99
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
1
4
4
0
12
0
0
11

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

Chance of Frost

Temperature (°C)

2
1
1
0
0
0
3
5
6
8
10
11
12
13
13
12
11
9
8
8
7
7
7
6

Feels Like (°C)

2
1
-1
-1
-2
-1
2
4
5
8
10
11
11
12
10
9
8
7
5
5
4
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

85
83
80
74
70
70
62
58
58
55
55
52
51
51
51
63
61
56
56
71
78
84
87
88

Pressure (mb)

1018
1017
1017
1017
1017
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1018
1018
1019
1019
1019
1019

Ozone (du)

382
383
382
379
374
373
374
375
375
373
371
369
368
369
369
367
369
373
380
388
396
398
395
391

Monday 23

Waxing Crescent 26%

07:20

01:06

02 Bad
03 Bad
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

Sun - Rise: 05:56, Set: 18:21, Transit: 12:09. Moon - Rise: 07:20, Set: 01:06. Civil Dark: 18:54 - 05:23. Nautical Dark: 19:34 - 04:43. Astro Dark: 20:16 - 04:02

Total Clouds (% Sky Obscured)

74
70
78
100
100
100
96
100
85
100
98
99
99
100
99
100
100
100
100
98
95
100
92
84

Low Clouds (% Sky Obscured)

59
68
68
49
45
45
14
23
32
44
44
65
86
86
87
65
58
29
18
6
0
0
0
0

Medium Clouds (% Sky Obscured)

12
0
0
0
0
43
55
83
39
87
70
42
52
77
83
95
98
98
65
89
30
76
92
84

High Clouds (% Sky Obscured)

9
25
49
100
100
100
95
100
77
100
96
95
93
100
88
97
96
98
100
90
87
99
66
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
3
3
3
2
2
4
5
7
9
10
11
11
11
11
11
10
9
7
6
5
5
3
3

Dew Point (°C)

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

Relative Humidity (%)

90
88
91
90
82
74
68
67
65
63
61
61
60
62
63
71
76
78
81
87
90
91
85
81

Pressure (mb)

1019
1019
1020
1021
1021
1022
1022
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1023
1022
1022
1022
1022
1021

Ozone (du)

390
382
379
376
373
369
367
365
365
364
361
360
358
357
356
354
351
350
350
349
349
346
346
345

Tuesday 24

Waxing Crescent 38%

08:00

No Set

02 Bad
03 Bad
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

Sun - Rise: 05:54, Set: 18:23, Transit: 12:08. Moon - Rise: 08:00, Set: No Set. Civil Dark: 18:56 - 05:21. Nautical Dark: 19:36 - 04:41. Astro Dark: 20:18 - 03:59

Total Clouds (% Sky Obscured)

78
82
84
86
90
93
100
100
100
100
96
98
92
90
81
69
70
78
92
78
69
60
70
90

Low Clouds (% Sky Obscured)

1
10
20
29
27
20
13
9
5
0
2
2
1
23
40
56
50
58
73
71
66
57
52
46

Medium Clouds (% Sky Obscured)

78
82
84
85
82
78
83
92
80
76
65
80
40
28
20
12
22
33
41
31
17
0
17
30

High Clouds (% Sky Obscured)

18
15
12
9
39
68
100
100
100
100
92
90
91
61
29
0
3
2
0
1
0
0
0
10

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
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
12
15
22
11
24
17
22
34
56
67
73
57
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.2
0

Wind Speed/Direction (mph)

7
7
8
9
9
11
13
14
15
18
20
20
20
20
19
19
19
17
17
17
16
15
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
88
88
90
88
85
83
79
77
73
73
71
74
81
87
84
77
80
77
77
79
78
74

Pressure (mb)

1021
1020
1020
1019
1019
1018
1018
1018
1017
1016
1015
1014
1013
1012
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

345
345
344
342
341
342
341
339
344
346
347
349
352
352
352
353
356
360
366
371
375
378
380
379

Wednesday 25

First Quarter 50%

08:57

02:20

02 Bad
03 Bad
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

Sun - Rise: 05:52, Set: 18:24, Transit: 12:08. Moon - Rise: 08:57, Set: 02:20. Civil Dark: 18:58 - 05:19. Nautical Dark: 19:38 - 04:39. Astro Dark: 20:20 - 03:56

Total Clouds (% Sky Obscured)

100
75
73
61
55
62
38
57
80
100
100
100
100
98
94
89
42
43
48
49
53
54
62
68

Low Clouds (% Sky Obscured)

36
35
33
30
36
50
38
28
14
5
18
27
41
42
42
43
42
43
48
49
51
46
56
62

Medium Clouds (% Sky Obscured)

62
38
37
31
21
33
3
22
65
100
100
100
100
95
83
64
13
6
3
3
3
2
2
1

High Clouds (% Sky Obscured)

5
0
4
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
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
1
1
3
3
14
24
23
16
21
28
39
51
51
49
43
18
17
16
18
15
9
8
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
14
14
14
14
15
17
18
18
18
18
18
17
17
16
15
14
14
14
14
14
14
15
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
72
76
76
75
76
73
70
64
57
55
53
53
57
63
65
66
70
71
72
75
78
79
80

Pressure (mb)

1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1011
1012
1012
1013
1014
1014
1015

Ozone (du)

382
381
382
383
387
388
394
400
402
407
405
399
395
391
386
385
378
374
369
365
363
361
359
360

Thursday 26

Waxing Gibbous 61%

10:11

03:15

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

Sun - Rise: 05:50, Set: 18:26, Transit: 12:08. Moon - Rise: 10:11, Set: 03:15. Civil Dark: 18:59 - 05:16. Nautical Dark: 19:40 - 04:36. Astro Dark: 20:22 - 03:54

Total Clouds (% Sky Obscured)

74
66
59
50
44
39
34
34
36
35
55
75
95
80
64
49
46
43
40
26
13
1
1
3

Low Clouds (% Sky Obscured)

71
55
45
34
31
29
27
17
9
1
13
26
39
40
40
39
35
33
29
20
10
0
0
0

Medium Clouds (% Sky Obscured)

0
1
1
3
2
1
1
1
1
2
3
8
40
43
27
4
4
4
5
5
5
1
1
3

High Clouds (% Sky Obscured)

0
1
1
4
4
2
1
2
2
1
0
0
0
0
1
2
10
14
20
15
8
1
1
3

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
0
3
5
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
82
79
77
67
59
51
49
47
45
44
43
43
49
55
62
64
68
70
70
73
74
76

Pressure (mb)

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

Ozone (du)

360
361
359
357
355
353
350
347
345
342
339
336
332
329
327
325
322
322
322
322
322
322
321
322

Friday 27

Waxing Gibbous 72%

11:35

03:52

Sun - Rise: 05:47, Set: 18:28, Transit: 12:08. Moon - Rise: 11:35, Set: 03:52. Civil Dark: 19:01 - 05:14. Nautical Dark: 19:41 - 04:34. Astro Dark: 20:24 - 03:51

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 21/03/26 02:08:19. Forecast: 21/03/26 to 27/03/26. Timezone: UTC+0.00