Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waning Gibbous 50%

03:56

11:04

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

Sun - Rise: 06:19, Set: 19:55, Transit: 13:08. Moon - Rise: 03:56, Set: 11:04. Civil Dark: 20:30 - 05:43. Nautical Dark: 21:14 - 05:00. Astro Dark: 22:02 - 04:11

Total Clouds (% Sky Obscured)

87
90
92
100
100
66
35
36
3
0
0
0
0
1
17
95
100
100
100
100
100
100
100
88

Low Clouds (% Sky Obscured)

20
26
80
100
90
57
30
36
3
0
0
0
0
0
0
0
0
0
0
0
0
0
34
22

Medium Clouds (% Sky Obscured)

87
90
92
100
100
23
3
0
0
0
0
0
0
0
3
10
33
100
82
100
100
100
95
88

High Clouds (% Sky Obscured)

87
90
92
83
55
6
7
0
0
0
0
0
0
1
17
94
100
100
100
100
100
100
100
65

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
6
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 (%)

23
31
14
22
23
22
7
11
1
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)

9
11
13
16
17
19
20
18
16
14
11
10
8
8
9
9
8
6
4
4
3
4
3
4

Chance of Frost

Temperature (°C)

15
16
16
15
14
12
12
11
9
8
7
6
5
4
4
4
3
3
3
3
3
4
5
7

Feels Like (°C)

11
12
12
11
9
6
5
6
5
4
3
2
2
2
1
-1
-1
-1
0
0
0
1
3
4

Dew Point (°C)

9
10
10
12
9
7
8
7
5
3
1
0
0
1
1
1
1
1
1
0
-1
-1
0
1

Relative Humidity (%)

68
67
69
80
72
67
76
76
73
69
67
68
72
77
80
80
82
85
83
82
77
73
70
65

Pressure (mb)

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

Ozone (du)

366
367
369
369
374
383
388
394
400
406
405
400
394
384
378
369
367
367
364
365
365
365
365
364

Friday 10

Third Quarter 39%

04:20

11:04

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 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:17, Set: 19:57, Transit: 13:08. Moon - Rise: 04:20, Set: 11:04. Civil Dark: 20:32 - 05:41. Nautical Dark: 21:16 - 04:57. Astro Dark: 22:05 - 04:08

Total Clouds (% Sky Obscured)

78
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
53

Low Clouds (% Sky Obscured)

0
0
0
0
7
54
0
22
50
38
0
0
0
0
0
0
0
46
72
100
80
59
48
53

Medium Clouds (% Sky Obscured)

65
94
88
100
100
100
100
100
100
91
76
47
32
68
37
29
44
60
51
57
52
57
52
0

High Clouds (% Sky Obscured)

78
66
99
100
100
100
100
100
100
100
100
100
100
100
97
100
100
100
100
100
100
90
100
40

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
4
0
0

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
Light Rain
Light Rain
Light Rain
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
4
10
5
35
21
0
0
0
0
0
0
1
23
36
83
95
87
56
51

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.8
0.6
0
0.2

Wind Speed/Direction (mph)

6
9
10
12
12
11
11
12
13
13
13
14
14
14
15
17
16
15
15
16
16
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
56
54
55
56
61
63
66
68
70
71
76
71
70
71
74
75
79
81
78
81
90
96
98

Pressure (mb)

1021
1020
1019
1018
1017
1016
1015
1014
1013
1012
1011
1010
1009
1008
1007
1005
1004
1003
1002
1000
1000
1000
1002
1002

Ozone (du)

364
361
359
357
354
352
352
352
352
354
354
356
355
355
354
353
353
353
356
358
358
360
364
371

Saturday 11

Waning Crescent 30%

04:39

12:21

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
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

Sun - Rise: 06:14, Set: 19:58, Transit: 13:08. Moon - Rise: 04:39, Set: 12:21. Civil Dark: 20:34 - 05:39. Nautical Dark: 21:18 - 04:54. Astro Dark: 22:07 - 04:05

Total Clouds (% Sky Obscured)

43
58
44
72
40
38
43
99
29
69
100
100
83
54
98
66
64
70
57
43
77
52
75
84

Low Clouds (% Sky Obscured)

43
57
36
9
10
19
30
28
18
54
58
63
34
31
34
57
53
58
44
38
59
52
75
69

Medium Clouds (% Sky Obscured)

39
16
44
72
16
12
23
96
12
69
31
33
14
4
34
57
2
1
0
5
11
15
20
25

High Clouds (% Sky Obscured)

22
0
0
0
0
0
0
0
0
0
0
2
0
3
3
3
0
0
0
0
19
35
60
71

ISS Passover

Visibility (miles)

0
7
8
8
9
8
9
7
9
9
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
40
48
45
22
25
44
34
4
44
56
14
27
8
9
20
18
26
12
4
0
1
28
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
17
19
21
21
20
20
20
19
18
19
20
19
17
18
19
17
17
17
17
18
19
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
75
65
63
60
54
64
73
77
79
85
90
87
88
85
83
83
84
81
83
85
75
78
77

Pressure (mb)

1003
1003
1003
1004
1004
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005

Ozone (du)

375
383
391
405
416
414
415
420
430
437
439
440
438
438
443
444
444
444
445
449
456
464
468
472

Sunday 12

Waning Crescent 20%

04:53

13:40

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 OK
21 OK
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

Sun - Rise: 06:12, Set: 20:00, Transit: 13:07. Moon - Rise: 04:53, Set: 13:40. Civil Dark: 20:36 - 05:36. Nautical Dark: 21:20 - 04:52. Astro Dark: 22:10 - 04:01

Total Clouds (% Sky Obscured)

99
100
100
96
64
48
41
23
22
24
25
75
84
79
69
62
58
71
84
97
94
83
76
75

Low Clouds (% Sky Obscured)

68
59
64
65
53
45
41
23
22
24
25
32
35
37
38
41
39
42
50
60
61
62
70
65

Medium Clouds (% Sky Obscured)

69
43
42
53
50
42
27
12
15
23
25
62
74
67
54
48
39
34
50
65
56
47
35
43

High Clouds (% Sky Obscured)

78
85
87
88
64
48
25
0
0
0
0
0
0
0
0
2
32
45
45
42
34
5
1
0

ISS Passover

Visibility (miles)

9
8
6
5
6
8
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

46
57
62
65
58
48
36
19
21
14
0
0
0
0
1
3
4
2
0
0
0
0
3
31

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

21
19
19
19
19
19
18
17
16
14
13
11
10
9
8
6
5
5
4
4
4
4
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
78
76
74
72
69
69
67
70
75
81
85
90
90
88
93
93
94
94
94
96
88
78
72

Pressure (mb)

1005
1005
1006
1006
1006
1006
1007
1007
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010

Ozone (du)

475
476
477
475
476
475
477
480
484
487
484
480
478
479
480
482
485
490
493
493
491
491
488
482

Monday 13

Waning Crescent 12%

05:05

15:00

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

Sun - Rise: 06:10, Set: 20:02, Transit: 13:07. Moon - Rise: 05:05, Set: 15:00. Civil Dark: 20:38 - 05:34. Nautical Dark: 21:22 - 04:49. Astro Dark: 22:13 - 03:58

Total Clouds (% Sky Obscured)

80
83
74
78
66
52
35
20
22
23
15
15
15
19
27
35
47
48
50
48
33
19
5
15

Low Clouds (% Sky Obscured)

60
53
51
49
48
35
29
16
12
9
10
10
10
3
18
34
47
48
50
48
33
19
0
13

Medium Clouds (% Sky Obscured)

53
62
50
57
42
40
35
20
22
23
15
15
15
19
27
12
1
1
0
0
0
0
0
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
5
5

ISS Passover

Visibility (miles)

9
7
6
5
4
4
6
3
4
6
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
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

48
64
65
65
68
68
67
65
57
32
24
16
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.4
0.3
0.3
0.3
0.4
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
11
11
11
11
11
11
10
9
8
7
6
6
5
4
3
2
1
1
1
4
6
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
61
60
60
63
67
72
78
83
82
84
85
85
85
89
89
93
93
93
93
93
88
83
80

Pressure (mb)

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

Ozone (du)

480
481
481
479
473
470
470
469
467
462
459
454
449
449
450
436
423
409
402
395
387
381
376
370

Tuesday 14

Waning Crescent 12%

05:16

16:22

11 OK
12 OK
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 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:08, Set: 20:04, Transit: 13:07. Moon - Rise: 05:16, Set: 16:22. Civil Dark: 20:40 - 05:32. Nautical Dark: 21:25 - 04:46. Astro Dark: 22:15 - 03:55

Total Clouds (% Sky Obscured)

24
35
51
64
77
83
90
96
90
82
78
86
93
99
91
79
70
79
89
98
99
100
100
99

Low Clouds (% Sky Obscured)

24
35
39
41
43
44
47
49
33
17
0
1
3
8
8
8
8
17
23
28
44
54
65
73

Medium Clouds (% Sky Obscured)

1
2
6
9
12
26
33
45
50
56
65
63
64
66
60
54
43
35
33
31
31
35
40
59

High Clouds (% Sky Obscured)

2
1
13
28
39
48
54
58
49
40
31
55
76
97
66
36
7
32
53
76
77
81
100
92

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
5
8
9
9
9
9
8
3
0
0
0
0
1
0
0
0
0
0
0
0
0
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
7
15
15
14
15
15
15
10
10
9
8
8
8
5
5
5
5
4
3
5
6
6

Dew Point (°C)

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

Relative Humidity (%)

72
66
61
59
58
55
61
68
75
76
77
80
80
82
84
82
82
81
79
75
73
76
78
80

Pressure (mb)

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

Ozone (du)

368
365
363
360
357
353
351
349
347
345
342
340
341
343
344
346
349
351
351
351
351
350
350
350

Wednesday 15

Waning Crescent 6%

05:27

17:46

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 Bad
06 Bad

Sun - Rise: 06:06, Set: 20:05, Transit: 13:07. Moon - Rise: 05:27, Set: 17:46. Civil Dark: 20:41 - 05:29. Nautical Dark: 21:27 - 04:44. Astro Dark: 22:18 - 03:52

Total Clouds (% Sky Obscured)

97
96
98
99
100
98
96
95
93
90
82
65
53
39
40
42
47
50
49
45

Low Clouds (% Sky Obscured)

80
88
84
79
75
76
76
74
70
62
56
48
40
32
34
35
36
40
45
45

Medium Clouds (% Sky Obscured)

77
96
98
98
98
82
66
51
42
34
25
20
13
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

83
75
60
61
81
56
28
1
1
0
0
1
2
3
6
8
9
18
24
27

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

22
39
62
76
78
70
59
52
48
43
28
26
20
10
11
6
0
0
0
0

Precipitation Amount (mm)

0
0
0.3
0.4
0.4
0.3
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
86
89
90
93
93
90
90
90
90
91
93
95
96
95
96
96
95
93

Pressure (mb)

1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020

Ozone (du)

350
350
350
350
350
350
352
354
357
358
359
360
360
360
360
360
360
361
361
361

Forecast for Henley in Arden, Warwickshire, United Kingdom (52.29,-1.78)

Generated: 09/04/26 11:05:37. Forecast: 09/04/26 to 15/04/26. Timezone: UTC+1.00