Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 9%

06:32

20:39

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
06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 Good
16 Good

Sun - Rise: 06:01, Set: 18:16, Transit: 12:10. Moon - Rise: 06:32, Set: 20:39. Civil Dark: 18:50 - 05:28. Nautical Dark: 19:30 - 04:48. Astro Dark: 20:12 - 04:06

Total Clouds (% Sky Obscured)

24
42
54
65
83
78
94
100
100
100
100
100
94
95
99
75
47
26
25
40
21
23
1
1

Low Clouds (% Sky Obscured)

24
0
13
36
38
36
33
31
32
29
8
0
5
5
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

24
17
18
0
0
2
2
2
0
0
3
11
15
12
0
0
0
0
1
0
0
5
0
0

High Clouds (% Sky Obscured)

24
42
54
65
76
74
91
100
100
100
100
100
92
87
98
75
47
26
25
40
21
23
1
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
0
0
0
0
0
0
0
0
0
0
0
2
27
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)

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

Chance of Frost

Temperature (°C)

11
9
8
7
7
7
6
5
4
4
3
3
2
2
2
3
6
8
10
11
12
13
13
13

Feels Like (°C)

9
7
6
5
5
5
4
3
2
1
0
0
-1
-1
-2
0
3
5
7
8
9
10
10
12

Dew Point (°C)

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

Relative Humidity (%)

78
77
81
85
82
79
76
78
82
79
77
73
72
70
71
65
60
55
52
48
46
45
47
52

Pressure (mb)

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

Ozone (du)

370
373
374
375
375
374
374
373
371
369
369
371
371
372
372
372
372
373
372
373
372
371
372
375

Saturday 21

Waxing Crescent 17%

06:51

22:10

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

Sun - Rise: 05:59, Set: 18:18, Transit: 12:09. Moon - Rise: 06:51, Set: 22:10. Civil Dark: 18:52 - 05:25. Nautical Dark: 19:32 - 04:45. Astro Dark: 20:14 - 04:03

Total Clouds (% Sky Obscured)

1
7
0
0
0
0
0
0
0
1
28
41
62
91
91
72
35
33
98
99
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
28
41
62
91
91
72
0
0
0
0
0
0
4
29

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
2
2
1
0
0
6
6
11
16
54
65
72
75

High Clouds (% Sky Obscured)

1
6
0
0
0
0
0
0
0
1
4
3
4
2
5
4
26
29
81
88
100
100
100
100

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)

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

Chance of Frost

Temperature (°C)

12
11
8
7
6
5
4
3
2
2
1
0
-0
-0
-1
0
2
6
9
11
13
13
13
13

Feels Like (°C)

11
10
7
6
5
4
3
2
2
1
0
-1
-1
-1
-0
-0
1
6
8
10
10
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

64
67
65
67
72
78
80
80
81
80
76
71
70
68
68
61
59
58
56
55
52
51
50
61

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1019
1018
1018
1017
1017
1017
1017

Ozone (du)

378
380
381
383
388
393
397
393
389
386
382
380
379
378
377
376
375
373
372
372
371
371
372
373

Sunday 22

Waxing Crescent 26%

07:18

23:42

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:57, Set: 18:20, Transit: 12:09. Moon - Rise: 07:18, Set: 23:42. Civil Dark: 18:54 - 05:23. Nautical Dark: 19:34 - 04:43. Astro Dark: 20:16 - 04:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
58
80
78
77
87
99
74
95
98
100
91
100
100
97
95
93
96
98

Low Clouds (% Sky Obscured)

40
58
26
3
10
35
46
63
75
76
85
73
63
53
51
51
37
0
0
14
27
36
33
31

Medium Clouds (% Sky Obscured)

70
100
100
100
85
28
9
4
0
0
0
0
0
0
0
20
68
59
57
60
59
59
59
78

High Clouds (% Sky Obscured)

100
100
100
100
100
100
0
40
25
35
25
96
56
89
96
100
81
100
100
93
84
74
83
91

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
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)

3
1
1
5
6
6
6
6
6
7
7
7
7
6
5
6
6
5
4
4
4
5
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
66
65
73
80
79
88
93
96
85
79
78
85
86
83
75
66
63
60
58
58
58
61
65

Pressure (mb)

1017
1018
1018
1019
1020
1020
1021
1021
1021
1021
1022
1022
1023
1023
1024
1024
1025
1025
1025
1024
1024
1024
1023
1023

Ozone (du)

371
370
369
373
379
387
394
389
386
381
379
377
377
373
370
369
366
365
364
362
358
355
352
351

Monday 23

Waxing Crescent 38%

07:57

01:10

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:54, Set: 18:22, Transit: 12:09. Moon - Rise: 07:57, Set: 01:10. Civil Dark: 18:55 - 05:21. Nautical Dark: 19:36 - 04:40. Astro Dark: 20:18 - 03:58

Total Clouds (% Sky Obscured)

100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
85
98
100
100
100

Low Clouds (% Sky Obscured)

28
18
9
1
1
1
1
0
0
0
15
31
47
46
43
47
53
77
85
56
65
100
99
98

Medium Clouds (% Sky Obscured)

94
94
99
98
92
98
97
89
99
99
90
96
93
95
96
98
98
98
56
48
90
36
31
42

High Clouds (% Sky Obscured)

100
98
95
93
77
60
47
64
82
100
99
100
100
100
100
100
100
100
70
62
50
31
48
67

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
1
0
2
2
5
23

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
7
7
7
8
9
10
11
11
11
11
12
12
13
14
15
16
17
18
19
20
20
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
80
81
82
85
87
87
87
91
90
94
96
93
91
90
87
84
83
81
80
75
75
80
87

Pressure (mb)

1023
1023
1023
1023
1023
1022
1021
1021
1021
1020
1019
1019
1018
1018
1017
1017
1016
1015
1015
1014
1013
1011
1011
1010

Ozone (du)

348
346
344
344
342
341
340
339
338
336
335
338
339
341
340
340
341
345
352
356
357
358
356
358

Tuesday 24

Waxing Crescent 38%

08:54

02:24

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:52, Set: 18:23, Transit: 12:09. Moon - Rise: 08:54, Set: 02:24. Civil Dark: 18:57 - 05:18. Nautical Dark: 19:37 - 04:38. Astro Dark: 20:20 - 03:55

Total Clouds (% Sky Obscured)

100
82
87
94
84
84
78
82
89
100
81
60
78
99
98
98
98
99
100
90
79
69
75
80

Low Clouds (% Sky Obscured)

96
82
87
94
84
74
65
62
64
62
58
57
54
94
89
83
83
83
83
73
64
52
42
32

Medium Clouds (% Sky Obscured)

45
53
54
54
43
38
28
49
59
70
56
42
39
66
58
55
49
42
40
35
31
18
30
38

High Clouds (% Sky Obscured)

80
50
25
0
0
10
1
0
13
25
16
1
0
40
18
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

19
47
71
91
91
81
54
44
44
52
50
46
44
35
53
74
87
85
80
78
70
54
43
37

Precipitation Amount (mm)

0
0
0.4
0.6
0.7
0.5
0
0
0
0.3
0.2
0
0.2
0
0
0.3
0.6
0.5
0.4
0.4
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
6
6
6
6
5
5
4
3
2
1
0
1
1
4
4
4
4
4
5
4
4
3
2

Relative Humidity (%)

86
76
80
82
84
82
84
84
82
79
78
75
77
79
81
79
79
77
75
74
70
68
64
64

Pressure (mb)

1009
1009
1009
1009
1008
1008
1008
1007
1007
1006
1006
1005
1005
1004
1008
1008
1007
1006
1006
1005
1005
1005
1005
1006

Ozone (du)

363
364
367
375
382
384
383
386
392
393
393
397
406
421
422
423
425
421
417
413
414
415
415
415

Wednesday 25

First Quarter 50%

10:08

03:19

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

Sun - Rise: 05:50, Set: 18:25, Transit: 12:08. Moon - Rise: 10:08, Set: 03:19. Civil Dark: 18:59 - 05:16. Nautical Dark: 19:39 - 04:35. Astro Dark: 20:22 - 03:52

Total Clouds (% Sky Obscured)

86
73
58
42
53
67
76
76
76
85
81
76
69
46
23
0
26
51
76
76
78
82
83
84

Low Clouds (% Sky Obscured)

25
26
26
26
27
29
30
29
24
25
37
49
56
40
20
0
14
29
43
37
27
16
12
5

Medium Clouds (% Sky Obscured)

38
24
12
7
11
16
25
40
49
69
49
23
0
0
0
0
6
11
16
18
23
21
15
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
3
4
5
16
25
34
33
34

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 (%)

30
24
17
1
1
0
0
0
0
0
0
0
0
2
2
0
0
0
0
2
3
0
8
12

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)

20
19
18
17
16
16
16
16
15
15
14
14
14
14
14
14
14
14
14
14
13
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
64
64
63
64
64
64
67
67
68
69
70
72
73
69
66
62
59
55
53
51
50
48
56

Pressure (mb)

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

Ozone (du)

414
413
413
413
413
404
396
388
383
377
372
367
363
358
357
356
355
354
353
351
349
347
345
343

Thursday 26

Waxing Gibbous 61%

11:32

03:56

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:47, Set: 18:27, Transit: 12:08. Moon - Rise: 11:32, Set: 03:56. Civil Dark: 19:01 - 05:14. Nautical Dark: 19:41 - 04:33. Astro Dark: 20:24 - 03:49

Total Clouds (% Sky Obscured)

85
89
95
100
99
98
95
82
57
25
32
39
46
59
69
75
79
85
91

Low Clouds (% Sky Obscured)

4
4
5
5
41
67
94
82
57
25
32
32
27
20
17
14
34
57
76

Medium Clouds (% Sky Obscured)

13
13
14
19
19
20
25
26
22
18
10
5
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

35
37
47
62
59
59
62
46
24
2
2
1
2
2
3
4
6
7
12

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 (%)

16
15
14
13
16
18
17
35
40
32
22
15
7
9
9
8
13
15
12

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)

11
10
9
9
9
9
9
9
9
10
11
11
12
12
14
15
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
2
2
2
2
2
2
-1
-1
0
0
0
1
-1
-1
-2
-2
-2

Dew Point (°C)

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

Relative Humidity (%)

62
71
75
79
83
86
89
91
88
88
85
83
83
82
75
70
65
60
56

Pressure (mb)

1018
1018
1019
1019
1019
1018
1018
1017
1016
1015
1014
1013
1012
1011
1011
1011
1011
1011
1011

Ozone (du)

341
339
339
338
337
337
336
336
334
333
332
331
331
331
330
329
328
327
327

Forecast for Crownhill, Milton Keynes, United Kingdom (52.03,-0.81)

Generated: 20/03/26 17:25:13. Forecast: 20/03/26 to 26/03/26. Timezone: UTC+0.00