Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 11

Waning Crescent 40%

04:15

12:22

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 OK
19 Bad
20 Bad
21 Bad
22 OK
23 Bad
00 OK
01 OK
02 Bad

Sun - Rise: 06:16, Set: 19:55, Transit: 13:06. Moon - Rise: 04:15, Set: 12:22. Civil Dark: 20:30 - 05:41. Nautical Dark: 21:14 - 04:57. Astro Dark: 22:02 - 04:09

Total Clouds (% Sky Obscured)

97
98
98
100
100
100
100
100
72
61
61
42
72
50
60
31
40
46
48
32
40
34
41
47

Low Clouds (% Sky Obscured)

49
87
45
100
100
90
54
35
49
43
35
22
10
8
47
31
40
46
48
32
40
34
41
47

Medium Clouds (% Sky Obscured)

37
50
41
51
51
49
55
47
25
19
21
42
26
13
6
0
0
0
0
0
0
0
0
45

High Clouds (% Sky Obscured)

97
98
98
100
100
100
100
100
65
1
20
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
9
9
6
9
8
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
Light Rain
Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
11
34
46
69
62
15
44
32
30
32
17
7
12
0
1
0
0
0
1
0
3
5

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.4
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
9
15
13
15
16
13
11
17
18
20
19
19
18
19
20
19
20
20
21
20
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
74
77
81
85
91
94
91
91
68
58
58
59
65
67
64
66
73
74
71
71
71
75

Pressure (mb)

1005
1004
1003
1002
1002
1003
1004
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

344
342
342
343
347
350
352
354
358
365
374
389
402
409
408
410
411
415
425
428
419
413
411
409

Sunday 12

Waning Crescent 30%

04:34

13:40

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 OK
19 Good
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:14, Set: 19:57, Transit: 13:05. Moon - Rise: 04:34, Set: 13:40. Civil Dark: 20:32 - 05:38. Nautical Dark: 21:16 - 04:55. Astro Dark: 22:04 - 04:06

Total Clouds (% Sky Obscured)

39
61
62
69
79
76
73
53
73
30
53
15
61
65
80
31
8
76
81
81
59
57
50
73

Low Clouds (% Sky Obscured)

39
61
60
69
79
76
73
53
60
25
23
11
27
48
70
31
0
0
0
0
17
0
0
0

Medium Clouds (% Sky Obscured)

0
0
2
0
0
0
2
2
18
30
53
15
61
49
19
3
6
30
35
32
55
38
50
73

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
7
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
0
2
0
0
5
4
22
41
47
49
46
37
23
18
7
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)

18
17
15
15
14
14
16
16
16
17
17
16
15
14
13
11
9
7
5
4
3
3
3
3

Chance of Frost

Temperature (°C)

7
7
7
7
7
8
9
10
12
13
13
14
14
14
13
12
11
9
7
6
5
4
3
3

Feels Like (°C)

1
0
2
2
2
4
4
5
7
8
8
8
9
8
9
10
9
7
6
5
4
2
2
0

Dew Point (°C)

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

Relative Humidity (%)

77
71
81
77
79
81
77
69
66
64
63
65
62
58
60
66
71
77
79
82
83
83
83
80

Pressure (mb)

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

Ozone (du)

410
408
411
414
422
425
424
422
422
426
432
437
440
448
452
457
462
467
470
470
469
473
480
481

Monday 13

Waning Crescent 20%

04:49

15:00

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 OK
20 Good
21 Good
22 Good
23 OK
00 OK
01 OK
02 Bad

Sun - Rise: 06:11, Set: 19:59, Transit: 13:05. Moon - Rise: 04:49, Set: 15:00. Civil Dark: 20:34 - 05:36. Nautical Dark: 21:18 - 04:52. Astro Dark: 22:07 - 04:03

Total Clouds (% Sky Obscured)

83
97
100
88
88
94
100
88
79
85
66
75
86
72
36
34
17
5
0
8
15
23
34
51

Low Clouds (% Sky Obscured)

0
0
1
4
10
5
5
3
13
68
43
59
48
42
31
32
12
5
0
0
0
0
12
25

Medium Clouds (% Sky Obscured)

83
97
100
88
88
94
96
83
79
85
66
72
86
72
36
7
8
0
0
4
10
14
22
34

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
8
8
9
9
6
5
5
4
5
4
4
4
7
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
Light Rain
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
2
7
40
75
37
16
40
62
66
77
76
81
87
80
79
29
2
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.7
0
0
0
0.4
0.4
0.5
0.4
0.5
0.6
0.5
0.6
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
86
91
94
89
94
90
87
81
78
81
79
81
75
80
81
85
91
93
91
93
93
93
91

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014

Ozone (du)

480
481
482
477
470
470
472
470
468
469
469
467
460
451
442
437
432
430
426
422
415
408
403
400

Tuesday 14

Waning Crescent 12%

05:02

16:20

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
02 Bad

Sun - Rise: 06:09, Set: 20:00, Transit: 13:05. Moon - Rise: 05:02, Set: 16:20. Civil Dark: 20:36 - 05:34. Nautical Dark: 21:20 - 04:50. Astro Dark: 22:09 - 04:00

Total Clouds (% Sky Obscured)

71
72
73
75
96
98
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

39
42
44
45
53
61
70
81
91
100
100
100
100
98
97
95
97
98
100
99
96
91
93
96

Medium Clouds (% Sky Obscured)

47
52
46
43
40
41
39
37
39
47
69
66
86
93
87
90
94
92
95
95
88
60
50
29

High Clouds (% Sky Obscured)

0
6
11
16
54
77
87
61
52
14
25
33
44
79
92
100
100
100
100
100
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
8
8
8

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

Precipitation Probability (%)

0
1
4
6
13
24
34
54
67
70
57
48
38
35
37
26
36
35
23
39
50
44
55
58

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
3
4
4
4
6
7
7
7
7
8
8
9
9
8
8
8
9
8
9
9
8
8

Dew Point (°C)

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

Relative Humidity (%)

93
93
89
89
89
87
84
81
82
84
84
84
81
86
88
91
93
93
96
96
98
98
100
96

Pressure (mb)

1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

397
396
394
390
380
377
374
370
366
363
360
354
350
346
344
344
344
342
342
342
341
341
338
339

Wednesday 15

Waning Crescent 6%

05:14

17:43

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
02 Bad

Sun - Rise: 06:07, Set: 20:02, Transit: 13:05. Moon - Rise: 05:14, Set: 17:43. Civil Dark: 20:38 - 05:31. Nautical Dark: 21:22 - 04:47. Astro Dark: 22:12 - 03:57

Total Clouds (% Sky Obscured)

99
99
100
100
96
92
90
92
96
100
100
100
100
87
75
62
59
55
52
56
62
67
67
67

Low Clouds (% Sky Obscured)

96
93
87
85
85
82
80
78
87
90
93
97
100
87
74
60
57
55
52
54
57
59
63
67

Medium Clouds (% Sky Obscured)

23
16
7
0
2
4
6
57
84
92
84
74
63
46
34
24
45
55
52
56
62
67
51
24

High Clouds (% Sky Obscured)

80
85
91
100
68
37
15
8
7
11
10
15
24
21
18
18
33
42
40
23
10
4
2
1

ISS Passover

Visibility (miles)

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

Very Light Rain
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 (%)

54
30
11
6
9
5
1
3
9
32
38
41
44
43
38
27
23
16
7
5
3
1
3
6

Precipitation Amount (mm)

0.3
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
10
11
12
12
13
15
17
16
15
15
14
14
14
13
13
12
12
12
12
11
11
11

Chance of Frost

Temperature (°C)

11
11
11
11
12
12
13
13
15
15
14
14
14
14
14
13
13
12
11
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
98
98
93
92
89
86
79
86
93
90
89
86
84
83
82
86
88
91
93
93
91
93

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016

Ozone (du)

345
349
348
349
350
351
350
351
353
352
354
354
355
355
356
357
357
361
365
369
378
386
394
396

Thursday 16

Waning Crescent 2%

05:26

19:10

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
02 Bad

Sun - Rise: 06:05, Set: 20:04, Transit: 13:04. Moon - Rise: 05:26, Set: 19:10. Civil Dark: 20:39 - 05:29. Nautical Dark: 21:24 - 04:45. Astro Dark: 22:15 - 03:54

Total Clouds (% Sky Obscured)

64
60
59
58
65
72
79
81
76
73
70
78
89
94
97
100
95
92
93
86
77
69
74
82

Low Clouds (% Sky Obscured)

64
60
59
58
65
71
78
68
58
49
48
46
45
42
40
41
27
14
0
0
0
0
17
34

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
8
16
28
46
66
83
66
48
32
49
69
69
74
73

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
30
59
73
70
78
89
94
97
100
77
58
44
48
55
65
61
57

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
2
6
6
12
13
12
15
16
11
16
14
6
9
8
1
1
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)

11
11
11
10
10
11
12
14
14
13
13
12
12
11
10
9
9
7
6
5
5
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
93
88
87
81
76
71
70
68
67
68
67
67
70
74
76
81
87
93
93
93
93
93

Pressure (mb)

1016
1017
1017
1018
1018
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1022
1022
1023
1022
1022
1022
1022

Ozone (du)

397
398
397
396
395
393
391
389
388
386
385
379
373
366
365
363
362
362
363
364
365
365
366
365

Friday 17

New Moon 0%

05:40

20:40

Sun - Rise: 06:03, Set: 20:05, Transit: 13:04. Moon - Rise: 05:40, Set: 20:40. Civil Dark: 20:41 - 05:27. Nautical Dark: 21:26 - 04:42. Astro Dark: 22:17 - 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 Culham, Oxfordshire, United Kingdom (51.66,-1.27)

Generated: 11/04/26 03:06:51. Forecast: 11/04/26 to 17/04/26. Timezone: UTC+1.00