Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 13

Waning Crescent 12%

05:06

15:02

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

Sun - Rise: 06:12, Set: 20:03, Transit: 13:09. Moon - Rise: 05:06, Set: 15:02. Civil Dark: 20:39 - 05:36. Nautical Dark: 21:24 - 04:51. Astro Dark: 22:14 - 04:00

Total Clouds (% Sky Obscured)

24
30
36
57
2
14
25
18
20
32
33
1
0
5
6
21
35
96
77
55
84
73
95
84

Low Clouds (% Sky Obscured)

24
30
36
11
0
0
25
17
9
25
27
0
0
0
0
0
0
0
10
0
0
0
25
15

Medium Clouds (% Sky Obscured)

3
3
16
15
2
3
14
18
5
10
7
1
0
5
2
9
11
13
29
23
34
20
37
32

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
1
0
2
0
0
0
40
11
9
8
18
30
72

ISS Passover

Visibility (miles)

9
9
8
8
9
7
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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
19
29
32
23
28
33
27
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
60
54
54
54
52
54
66
76
80
85
87
86
86
88
89
91
91
93
94
96
88
82
82

Pressure (mb)

1013
1013
1013
1013
1012
1012
1012
1012
1013
1013
1014
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

480
484
484
473
464
456
445
439
431
428
427
423
418
409
399
394
394
391
389
388
384
377
373
371

Tuesday 14

Waning Crescent 12%

05:18

16:24

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: 06:10, Set: 20:05, Transit: 13:09. Moon - Rise: 05:18, Set: 16:24. Civil Dark: 20:41 - 05:34. Nautical Dark: 21:26 - 04:48. Astro Dark: 22:17 - 03:57

Total Clouds (% Sky Obscured)

89
99
98
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

39
64
97
100
100
100
96
99
70
71
64
56
75
81
83
70
73
84
91
86
86
94
85
56

Medium Clouds (% Sky Obscured)

64
65
98
98
96
70
77
84
56
97
99
97
96
88
92
61
68
50
53
43
25
15
32
35

High Clouds (% Sky Obscured)

71
94
47
50
25
12
94
100
100
100
100
94
79
96
100
100
100
100
57
95
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 (%)

2
5
11
26
14
12
0
1
4
3
11
25
38
41
35
30
25
20
18
6
2
3
0
20

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

Chance of Frost

Temperature (°C)

12
13
13
13
13
13
12
13
12
12
11
11
11
11
11
11
11
11
12
12
12
13
13
14

Feels Like (°C)

8
9
9
9
10
9
9
9
9
9
8
8
8
9
8
9
8
8
8
8
9
9
10
10

Dew Point (°C)

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

Relative Humidity (%)

76
80
80
80
89
89
92
92
90
92
93
95
95
95
95
95
95
95
93
93
95
93
92
89

Pressure (mb)

1017
1017
1017
1017
1017
1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1014

Ozone (du)

369
368
366
361
359
359
357
354
353
351
350
351
352
352
351
350
349
349
348
348
349
349
352
355

Wednesday 15

Waning Crescent 6%

05:29

17:48

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 Bad
22 OK
23 OK
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: 20:07, Transit: 13:08. Moon - Rise: 05:29, Set: 17:48. Civil Dark: 20:43 - 05:31. Nautical Dark: 21:28 - 04:46. Astro Dark: 22:19 - 03:54

Total Clouds (% Sky Obscured)

82
80
75
100
95
67
50
49
26
41
46
27
18
68
72
73
73
85
98
75
81
83
86
90

Low Clouds (% Sky Obscured)

68
54
40
57
54
56
50
49
26
41
46
27
18
42
54
54
60
61
59
51
56
61
66
65

Medium Clouds (% Sky Obscured)

39
34
20
60
49
19
1
0
0
0
0
0
0
2
0
1
0
0
0
11
6
3
61
12

High Clouds (% Sky Obscured)

30
9
33
97
2
0
0
0
0
0
0
0
1
32
65
65
17
39
66
19
45
43
45
52

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

45
60
67
82
62
53
37
4
2
1
10
4
0
0
0
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
18
19
20
22
17
17
16
14
11
9
9
10
11
12
12
11
11
11
10
11
11
11
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
82
82
82
87
76
75
74
76
79
84
90
93
93
77
73
76
81
71
67
66
72
75
71

Pressure (mb)

1014
1014
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1019

Ozone (du)

359
358
357
360
366
380
386
395
395
397
393
389
388
386
385
384
386
388
386
382
381
379
375
372

Thursday 16

Waning Crescent 2%

05:43

19:15

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: 06:05, Set: 20:09, Transit: 13:08. Moon - Rise: 05:43, Set: 19:15. Civil Dark: 20:45 - 05:29. Nautical Dark: 21:30 - 04:43. Astro Dark: 22:22 - 03:51

Total Clouds (% Sky Obscured)

94
100
100
100
100
100
100
100
98
96
93
93
92
93
91
89
88
83
88
91
95
98
99
97

Low Clouds (% Sky Obscured)

59
56
43
30
16
16
17
19
12
6
0
16
32
49
47
48
47
50
51
51
57
60
63
64

Medium Clouds (% Sky Obscured)

20
31
83
95
97
100
45
72
42
61
64
87
88
89
84
71
78
52
52
55
55
61
56
52

High Clouds (% Sky Obscured)

77
97
98
99
100
99
100
100
75
50
35
41
48
53
58
58
58
7
8
9
26
42
53
44

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
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
2
4
19
18
23
26
18
6
6
6
7
5
4
1
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
63
63
74
66
65
74
80
86
89
91
91
90
90
90
90
91
95
96
96
96
90
90
90

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

372
371
367
365
365
364
364
364
361
359
358
358
359
360
362
363
361
360
359
360
359
359
360
362

Friday 17

New Moon 0%

05:59

20:46

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:03, Set: 20:10, Transit: 13:08. Moon - Rise: 05:59, Set: 20:46. Civil Dark: 20:47 - 05:27. Nautical Dark: 21:32 - 04:41. Astro Dark: 22:25 - 03:47

Total Clouds (% Sky Obscured)

96
94
94
94
93
92
90
89
84
79
72
82
86
91
90
90
90
86
85
91
93
97
100
100

Low Clouds (% Sky Obscured)

68
69
67
65
60
50
37
26
19
12
5
25
45
65
74
83
90
81
71
60
64
67
71
66

Medium Clouds (% Sky Obscured)

48
44
45
43
35
37
38
35
30
27
21
30
36
44
44
59
64
69
70
61
44
48
56
73

High Clouds (% Sky Obscured)

76
61
56
46
40
35
20
25
47
51
62
74
76
62
44
26
8
26
44
65
76
87
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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

2
12
16
18
18
8
14
4
2
1
0
0
1
1
12
15
14
35
37
34
44
59
72
79

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
78
79
73
64
67
69
78
83
87
87
90
90
88
88
88
90
88
88
88
82
77
73

Pressure (mb)

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

Ozone (du)

365
368
372
372
371
373
374
375
376
378
379
383
386
388
388
387
385
383
382
381
380
379
379
378

Saturday 18

Waxing Crescent 2%

06:23

22:21

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 OK
03 Good
04 OK
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:01, Set: 20:12, Transit: 13:08. Moon - Rise: 06:23, Set: 22:21. Civil Dark: 20:49 - 05:24. Nautical Dark: 21:35 - 04:38. Astro Dark: 22:28 - 03:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
95
91
86
86
88
89
76
73
67
50
30
13
22
30
36
51
67
81
76

Low Clouds (% Sky Obscured)

62
61
61
61
61
55
50
46
50
57
63
57
56
50
38
26
13
17
21
25
37
46
54
48

Medium Clouds (% Sky Obscured)

88
100
100
100
100
78
52
26
19
15
22
24
28
29
19
10
0
0
0
0
0
0
0
10

High Clouds (% Sky Obscured)

100
100
100
100
100
67
34
1
0
0
0
1
2
5
5
3
1
5
11
26
37
63
75
76

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

Light Rain
Light Rain
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 (%)

87
91
84
63
43
33
28
34
39
29
11
15
4
2
3
0
2
0
0
0
0
0
0
4

Precipitation Amount (mm)

0.5
0.6
0.5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
66
63
62
61
60
63
67
73
78
82
87
88
87
87
87
86
86
88
88
88
82
77
72

Pressure (mb)

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

Ozone (du)

379
379
380
386
392
398
397
397
396
393
390
388
385
383
380
379
378
377
375
374
372
371
371
371

Sunday 19

Waxing Crescent 7%

06:58

23:55

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

Sun - Rise: 05:59, Set: 20:14, Transit: 13:07. Moon - Rise: 06:58, Set: 23:55. Civil Dark: 20:51 - 05:22. Nautical Dark: 21:37 - 04:35. Astro Dark: 22:31 - 03:41

Total Clouds (% Sky Obscured)

71
71
75
80
85
63
42
9
7
3
3
8
15
18
20
24
25
29
34
41

Low Clouds (% Sky Obscured)

42
36
30
25
15
20
26
9
7
3
3
8
11
13
13
16
19
24
31
37

Medium Clouds (% Sky Obscured)

19
30
24
22
18
12
6
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

71
56
19
20
20
14
16
9
7
3
3
6
7
7
8
8
8
7
6
4

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
9
11
12
11
12
13
12
12
9
2
5
4
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
63
59
63
67
70
72
72
75
76
80
82
84
84
85
86
88
89
89
89

Pressure (mb)

1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023

Ozone (du)

370
369
369
368
367
366
366
365
364
365
365
366
366
366
366
367
368
370
370
371

Forecast for Northwick, Worcestershire, United Kingdom (52.21,-2.22)

Generated: 13/04/26 11:10:28. Forecast: 13/04/26 to 19/04/26. Timezone: UTC+1.00