Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 6

Waning Gibbous 77%

01:36

08:07

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

Sun - Rise: 06:26, Set: 19:50, Transit: 13:09. Moon - Rise: 01:36, Set: 08:07. Civil Dark: 20:25 - 05:51. Nautical Dark: 21:08 - 05:08. Astro Dark: 21:55 - 04:20

Total Clouds (% Sky Obscured)

38
21
33
27
25
12
5
3
46
60
48
82
3
1
1
1
14
0
1
1
13
2
2
6

Low Clouds (% Sky Obscured)

0
14
18
13
17
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

4
3
8
4
5
2
3
3
29
32
26
58
3
1
0
0
4
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

22
21
33
27
25
12
5
3
3
4
3
23
3
1
1
1
2
0
1
1
7
2
2
6

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
57
56
56
57
58
60
69
77
84
84
81
78
76
74
75
79
83
88
89
89
83
73
68

Pressure (mb)

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

Ozone (du)

365
364
366
367
367
366
366
368
371
371
368
366
364
363
360
358
357
358
357
353
353
352
350
347

Tuesday 7

Waning Gibbous 69%

02:35

08:54

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

Sun - Rise: 06:23, Set: 19:51, Transit: 13:09. Moon - Rise: 02:35, Set: 08:54. Civil Dark: 20:27 - 05:48. Nautical Dark: 21:10 - 05:05. Astro Dark: 21:57 - 04:17

Total Clouds (% Sky Obscured)

4
15
14
1
10
8
8
8
1
64
65
54
74
47
47
44
97
99
14
15
10
5
24
13

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
8
3
2
0
33
15
21
49
40
27
44
22
35
10
10
7
0
6
8

High Clouds (% Sky Obscured)

4
15
14
1
10
8
8
8
1
6
33
24
35
35
29
38
95
87
14
14
5
5
24
13

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)

13
14
15
14
14
13
12
12
11
9
8
7
7
6
5
5
4
4
4
4
2
2
3
4

Chance of Frost

Temperature (°C)

13
15
17
18
18
19
19
18
17
14
13
12
12
12
11
11
11
10
10
9
9
10
13
15

Feels Like (°C)

10
11
12
14
14
15
16
17
15
13
12
11
11
9
9
9
8
8
8
8
9
10
13
14

Dew Point (°C)

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

Relative Humidity (%)

63
59
59
58
59
65
69
73
78
84
89
90
88
87
84
86
87
87
90
90
90
81
76
73

Pressure (mb)

1023
1022
1022
1021
1021
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1023
1023
1023
1022
1023
1023
1023
1024
1024

Ozone (du)

346
345
345
345
345
346
346
349
351
352
351
351
349
348
348
348
347
347
348
349
350
349
349
347

Wednesday 8

Waning Gibbous 59%

03:22

09:53

11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 Bad
17 OK
18 OK
19 Bad
20 Bad
21 Bad
22 OK
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: 06:21, Set: 19:53, Transit: 13:08. Moon - Rise: 03:22, Set: 09:53. Civil Dark: 20:28 - 05:46. Nautical Dark: 21:12 - 05:02. Astro Dark: 22:00 - 04:14

Total Clouds (% Sky Obscured)

53
99
66
84
45
59
36
16
72
63
47
20
87
85
83
100
95
100
100
84
90
95
100
80

Low Clouds (% Sky Obscured)

0
0
0
64
29
46
20
1
23
23
22
20
21
25
39
41
38
33
38
30
46
59
70
43

Medium Clouds (% Sky Obscured)

29
33
19
15
15
14
0
0
0
0
4
0
0
0
4
0
43
40
34
24
27
85
92
80

High Clouds (% Sky Obscured)

30
96
37
36
18
10
23
15
67
63
31
2
85
77
66
100
84
100
100
40
50
77
100
72

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
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
3
18
14
33
42
14
4
0
0
0
0
0
0
0
0
0
0
4

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

Chance of Frost

Temperature (°C)

17
18
19
20
21
21
21
20
19
17
15
14
13
13
12
12
11
11
11
10
10
11
12
13

Feels Like (°C)

16
18
19
21
21
21
22
21
20
18
16
15
14
13
12
12
10
10
9
9
9
10
11
11

Dew Point (°C)

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

Relative Humidity (%)

72
71
69
67
66
65
67
74
81
87
89
92
92
93
93
93
93
93
93
93
91
90
86
81

Pressure (mb)

1024
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1021

Ozone (du)

348
350
349
350
351
351
351
351
353
357
361
364
364
362
361
361
361
360
359
359
360
361
361
361

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 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 Bad
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)

60
45
66
76
85
79
71
75
72
68
65
67
61
47
55
71
95
97
98
100
95
91
88
92

Low Clouds (% Sky Obscured)

21
0
11
21
37
38
32
27
18
9
0
0
0
0
0
0
2
7
7
3
3
5
5
28

Medium Clouds (% Sky Obscured)

54
18
24
66
67
53
11
30
0
0
3
4
26
45
55
71
91
95
95
95
92
88
85
77

High Clouds (% Sky Obscured)

43
15
10
5
2
10
15
20
25
25
30
40
45
47
55
69
81
87
94
100
90
80
70
80

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 (%)

6
2
8
11
12
20
20
14
10
2
0
0
0
0
0
0
0
0
0
0
0
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)

10
12
13
14
15
15
14
13
12
10
8
6
5
6
6
5
5
4
4
4
4
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
12
12
12
11
10
9
8
6
5
4
3
3
3
3
3
3
4
4
5
6
8

Dew Point (°C)

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

Relative Humidity (%)

74
62
53
56
62
64
69
75
79
85
85
85
82
81
79
78
78
82
83
81
81
87
88
85

Pressure (mb)

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

Ozone (du)

361
362
360
358
357
353
353
352
351
351
351
349
348
348
348
347
346
344
344
344
345
344
342
341

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)

96
100
100
100
92
87
90
90
85
80
85
86
87
100
100
100
100
100
100
100
82
64
45
47

Low Clouds (% Sky Obscured)

49
71
68
66
62
55
47
42
31
20
8
5
3
0
0
0
0
0
0
0
0
0
0
10

Medium Clouds (% Sky Obscured)

49
45
50
51
49
54
60
70
70
64
59
64
60
60
70
86
99
90
82
74
48
31
18
26

High Clouds (% Sky Obscured)

91
100
100
100
79
62
75
75
70
60
60
62
69
100
100
100
100
100
100
100
77
53
29
31

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 (%)

5
11
18
19
16
15
12
1
3
6
0
1
1
0
13
19
23
26
28
27
20
17
4
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
73
70
65
63
64
69
74
80
90
93
91
88
85
84
84
85
87
85
87
87
82
77
74

Pressure (mb)

1022
1021
1020
1020
1019
1018
1017
1017
1016
1016
1016
1016
1015
1015
1014
1014
1013
1012
1012
1011
1011
1010
1010
1009

Ozone (du)

340
340
341
342
342
342
342
345
347
348
351
353
355
357
358
360
362
364
362
361
359
358
357
356

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 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: 06:14, 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)

48
46
59
79
99
99
99
100
100
100
100
92
86
81
80
81
80
75
70
65
68
77
87
81

Low Clouds (% Sky Obscured)

21
30
48
66
84
83
85
85
74
65
54
38
25
20
28
35
43
51
53
56
68
77
87
79

Medium Clouds (% Sky Obscured)

31
36
45
57
68
73
80
94
94
94
96
84
69
50
50
50
55
60
60
60
65
65
65
69

High Clouds (% Sky Obscured)

27
25
20
15
20
29
40
55
55
56
56
64
70
75
67
60
51
41
35
25
35
60
65
75

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

1
0
5
11
15
21
24
26
39
49
60
54
47
45
42
34
19
35
41
41
42
43
44
53

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
17
16
16
16
14
12
10
9
9
8
8
8
8
7
6
6
6
7
6
7
8
8

Feels Like (°C)

8
9
10
16
14
14
12
11
9
7
7
7
7
7
7
5
5
6
5
6
6
6
7
7

Dew Point (°C)

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

Relative Humidity (%)

73
72
71
74
75
78
80
81
82
85
87
90
93
95
98
96
94
94
93
94
94
94
93
93

Pressure (mb)

1009
1008
1007
1007
1007
1006
1007
1007
1008
1008
1009
1009
1009
1009
1009
1010
1010
1010
1010
1011
1011
1011
1012
1012

Ozone (du)

356
355
355
354
353
353
355
357
360
360
361
361
362
363
365
366
367
368
370
371
372
373
373
374

Sunday 12

Waning Crescent 20%

04:53

13:40

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: 06:12, 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)

72
67
75
83
87
77
66
56
40
28
20
25
25
30
35
45
45
40
30
20

Low Clouds (% Sky Obscured)

69
55
57
58
61
60
61
56
40
28
20
25
25
30
35
40
40
40
30
20

Medium Clouds (% Sky Obscured)

72
67
75
83
87
77
66
56
40
28
20
25
25
30
35
44
39
35
30
20

High Clouds (% Sky Obscured)

72
67
60
55
30
25
30
30
25
28
20
25
25
30
35
35
30
35
30
20

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

62
69
71
78
87
84
89
95
95
95
95
85
72
58
49
40
28
41
51
60

Precipitation Amount (mm)

0.3
0.4
0.4
0.4
0.6
0.5
0.6
0.8
0.9
0.9
0.7
0.5
0.4
0.3
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

12
13
14
13
13
12
12
12
12
11
9
9
9
8
8
8
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
91
91
93
93
93
93
93
94
94
94
94
94
94
94
94
96
94

Pressure (mb)

1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

372
371
370
368
366
364
363
362
362
362
362
363
364
364
365
364
363
362
362
362

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

Generated: 06/04/26 10:26:28. Forecast: 06/04/26 to 12/04/26. Timezone: UTC+1.00