Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 8

Waning Gibbous 59%

03:20

09:18

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

Sun - Rise: 06:35, Set: 20:01, Transit: 13:19. Moon - Rise: 03:20, Set: 09:18. Civil Dark: 20:35 - 06:01. Nautical Dark: 21:16 - 05:19. Astro Dark: 22:01 - 04:34

Total Clouds (% Sky Obscured)

0
0
0
16
25
0
0
0
0
0
0
0
0
75
51
71
65
99
100
100
100
100
98
100

Low Clouds (% Sky Obscured)

0
0
0
16
25
0
0
0
0
0
0
0
0
38
51
61
64
99
100
100
100
71
46
27

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
27
50
37

High Clouds (% Sky Obscured)

0
0
0
11
6
0
0
0
0
0
0
0
0
39
51
69
65
43
100
100
97
100
96
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
8
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
4
6
6
6
6
16
22
2
2
16
26

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)

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

Chance of Frost

Temperature (°C)

10
12
15
18
19
18
18
18
18
18
17
15
12
10
10
10
9
9
9
8
8
8
7
7

Feels Like (°C)

10
14
16
20
20
18
17
18
19
19
18
16
12
10
10
9
8
7
7
7
7
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

87
79
73
70
66
71
74
71
69
70
75
84
92
93
91
91
93
95
96
96
95
93
93
93

Pressure (mb)

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

Ozone (du)

337
338
340
340
341
341
341
341
341
344
347
349
350
351
350
349
349
349
347
346
345
344
345
346

Thursday 9

Waning Gibbous 49%

03:55

10:17

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:32, Set: 20:03, Transit: 13:19. Moon - Rise: 03:55, Set: 10:17. Civil Dark: 20:37 - 05:58. Nautical Dark: 21:18 - 05:17. Astro Dark: 22:03 - 04:31

Total Clouds (% Sky Obscured)

100
100
100
100
100
84
100
100
99
100
98
100
100
100
89
93
79
80
93
81
99
100
100
100

Low Clouds (% Sky Obscured)

64
51
55
100
100
68
56
49
67
51
55
39
43
34
36
23
0
0
14
9
13
3
0
45

Medium Clouds (% Sky Obscured)

24
72
1
0
31
30
35
0
0
0
0
0
0
12
49
79
53
80
90
79
80
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
61
100
100
96
100
97
100
100
100
85
68
79
80
66
55
99
63
100
100

ISS Passover

Visibility (miles)

9
9
8
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
1
4
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
5
20
27

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)

8
12
14
16
18
20
21
20
22
21
18
16
14
13
12
9
7
6
4
2
2
2
2
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
85
88
90
78
69
68
74
70
69
71
70
69
67
67
70
71
67
71
71
72
72
75
80

Pressure (mb)

1021
1022
1022
1022
1022
1023
1023
1023
1024
1024
1024
1025
1025
1026
1025
1025
1025
1025
1024
1024
1024
1023
1023
1022

Ozone (du)

347
347
347
348
348
349
356
354
352
352
350
350
349
349
348
348
347
345
342
339
338
339
341
341

Friday 10

Third Quarter 48%

04:22

11:26

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:30, Set: 20:04, Transit: 13:18. Moon - Rise: 04:22, Set: 11:26. Civil Dark: 20:38 - 05:56. Nautical Dark: 21:20 - 05:14. Astro Dark: 22:06 - 04:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
89
91
92
100
100
100
100
94
96
98
100
80
65
47
58

Low Clouds (% Sky Obscured)

5
16
78
50
43
44
20
21
4
1
15
43
93
100
100
100
86
62
37
9
15
22
30
40

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
88
80
77
73
67
54
48
100
94
74
32
20
9
6
3
0
5

High Clouds (% Sky Obscured)

85
100
100
100
100
100
100
100
100
84
75
70
60
55
50
50
50
67
82
100
80
65
47
30

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

39
57
61
58
25
14
20
1
0
0
0
1
4
9
45
60
52
37
13
6
5
6
7
27

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
9
11
14
16
18
20
23
25
26
23
22
20
20
20
19
19
16
16
16
16
15
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
2
1
2
2
2
1
1
1
1
2
3
3
4
4
4
3
1
-1
-1
-2
-2
-3

Dew Point (°C)

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

Relative Humidity (%)

86
86
88
90
90
87
84
82
78
78
81
85
88
93
91
91
93
96
82
76
68
60
56
58

Pressure (mb)

1022
1021
1021
1020
1018
1017
1015
1013
1011
1010
1009
1008
1007
1006
1005
1004
1004
1004
1004
1005
1005
1005
1005
1005

Ozone (du)

342
342
341
339
338
338
340
340
340
342
342
344
344
344
347
348
351
353
359
360
363
366
368
372

Saturday 11

Waning Crescent 39%

04:42

12:40

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 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:28, Set: 20:06, Transit: 13:18. Moon - Rise: 04:42, Set: 12:40. Civil Dark: 20:40 - 05:54. Nautical Dark: 21:22 - 05:12. Astro Dark: 22:08 - 04:25

Total Clouds (% Sky Obscured)

69
81
88
93
100
86
100
98
86
88
69
68
44
24
30
32
38
35
47
90
90
60
46
50

Low Clouds (% Sky Obscured)

49
59
66
71
75
71
82
84
71
69
55
50
43
24
30
32
38
35
47
79
80
60
46
50

Medium Clouds (% Sky Obscured)

10
33
73
86
100
70
60
60
50
66
43
47
14
0
6
12
21
14
8
0
0
3
0
10

High Clouds (% Sky Obscured)

45
50
21
51
80
50
18
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

46
52
59
64
75
65
69
81
71
62
58
47
33
12
21
30
41
50
47
35
32
22
22
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
79
79
72
66
58
53
55
68
75
84
82
86
85
88
86
89
86
85
90
94
88
90
90

Pressure (mb)

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

Ozone (du)

376
381
386
391
395
402
408
412
420
425
424
424
428
430
435
439
441
448
457
465
469
469
473
470

Sunday 12

Waning Crescent 30%

04:59

13:57

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:26, Set: 20:08, Transit: 13:18. Moon - Rise: 04:59, Set: 13:57. Civil Dark: 20:42 - 05:52. Nautical Dark: 21:24 - 05:09. Astro Dark: 22:10 - 04:22

Total Clouds (% Sky Obscured)

55
83
35
44
52
56
56
61
64
57
82
79
82
85
86
84
90
84
75
69
57
53
45
51

Low Clouds (% Sky Obscured)

55
70
35
44
50
54
55
59
62
57
71
57
40
32
38
51
60
72
74
69
57
53
45
51

Medium Clouds (% Sky Obscured)

1
0
9
19
26
28
29
25
17
8
64
75
56
50
64
77
86
83
75
69
57
40
30
30

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
16
32
45
52
63
60
50
45
50
57
53
45
51

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
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
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

23
12
23
25
31
30
33
44
30
26
29
31
23
12
13
18
24
37
44
50
60
66
71
83

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.5

Wind Speed/Direction (mph)

15
15
17
17
17
17
17
17
17
15
14
13
11
9
7
6
6
6
7
7
7
8
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
77
68
62
58
58
58
60
62
70
81
84
86
91
89
89
89
91
91
93
93
93
93

Pressure (mb)

1010
1011
1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1013

Ozone (du)

465
463
462
460
459
460
458
455
453
449
448
448
448
449
449
450
451
453
448
442
437
429
422
414

Monday 13

Waning Crescent 20%

05:13

15:15

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:24, Set: 20:09, Transit: 13:18. Moon - Rise: 05:13, Set: 15:15. Civil Dark: 20:44 - 05:49. Nautical Dark: 21:26 - 05:07. Astro Dark: 22:13 - 04:19

Total Clouds (% Sky Obscured)

52
53
71
91
99
91
82
73
57
43
30
42
56
66
77
89
100
96
92
88
88
89
90
85

Low Clouds (% Sky Obscured)

52
53
65
80
98
89
80
70
57
43
30
42
54
66
67
68
72
65
58
52
51
48
45
49

Medium Clouds (% Sky Obscured)

30
35
53
62
62
45
31
17
20
24
30
41
45
46
33
17
0
8
17
21
22
26
22
22

High Clouds (% Sky Obscured)

45
25
47
66
89
60
30
2
0
0
1
1
0
0
25
43
70
46
29
9
10
10
11
10

ISS Passover

Visibility (miles)

9
8
7
7
7
6
6
7
7
7
7
7
7
7
7
6
5
4
3
2
2
4
7
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
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
None

Precipitation Probability (%)

94
95
95
95
95
95
75
52
45
41
37
36
40
43
46
48
49
43
38
40
38
37
35
25

Precipitation Amount (mm)

0.6
0.9
0.8
1
1.2
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
13
14
14
14
15
16
17
19
18
16
15
13
12
11
10
10
10
8
7
6
5
4
4

Chance of Frost

Temperature (°C)

5
7
9
9
9
10
10
10
11
10
10
9
9
9
8
9
9
9
9
9
9
8
8
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
84
80
82
84
87
85
87
85
88
90
91
93
95
96
96
98
98
96
96
96
96
94
94

Pressure (mb)

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

Ozone (du)

412
410
408
403
397
392
389
386
384
383
382
381
380
380
380
378
376
374
370
366
363
361
360
358

Tuesday 14

Waning Crescent 12%

05:26

16:35

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:22, Set: 20:11, Transit: 13:17. Moon - Rise: 05:26, Set: 16:35. Civil Dark: 20:45 - 05:47. Nautical Dark: 21:28 - 05:04. Astro Dark: 22:15 - 04:17

Total Clouds (% Sky Obscured)

80
74
74
72
58
48
44
44
30
21
25
45
65
85
90
94
96

Low Clouds (% Sky Obscured)

54
58
60
61
58
48
44
44
30
21
25
23
11
1
9
17
25

Medium Clouds (% Sky Obscured)

22
18
18
14
17
20
18
14
23
21
25
45
55
61
59
57
58

High Clouds (% Sky Obscured)

10
9
28
51
58
48
44
44
30
21
4
8
18
32
46
48
60

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

17
4
10
9
0
0
0
0
1
2
3
2
2
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
7
7
7
8
12
12
11
11
11
11
7
6
6
5
4

Dew Point (°C)

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

Relative Humidity (%)

87
81
74
67
61
55
54
53
53
59
67
76
79
82
88
86
86

Pressure (mb)

1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1023
1023
1024
1024

Ozone (du)

357
356
355
354
353
352
350
348
347
346
345
344
343
343
342
342
342

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.43)

Generated: 08/04/26 08:10:42. Forecast: 08/04/26 to 14/04/26. Timezone: UTC+1.00