Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 7

Waning Gibbous 69%

02:34

09:25

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

Sun - Rise: 06:41, Set: 20:03, Transit: 13:23. Moon - Rise: 02:34, Set: 09:25. Civil Dark: 20:37 - 06:08. Nautical Dark: 21:17 - 05:27. Astro Dark: 22:02 - 04:42

Total Clouds (% Sky Obscured)

0
4
22
27
5
19
13
5
10
12
37
38
44
30
29
24
7
3
6
7
26
40
46
83

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
16
29
24
6
0
0
0
0
0
37
48

Medium Clouds (% Sky Obscured)

0
0
0
18
5
2
1
0
0
3
20
19
23
8
0
0
0
0
2
3
15
25
14
4

High Clouds (% Sky Obscured)

0
4
22
27
5
19
13
5
10
12
10
7
6
3
6
7
7
3
6
4
2
0
0
16

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
0
0
0
0
0
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
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)

10
7
4
2
3
2
2
3
3
3
3
3
2
4
6
6
6
6
5
4
3
5
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
11
10
11
11
11
10
10
10
10
10
10
10
11
11
11
11
12
12
12
12
12
12
11

Relative Humidity (%)

92
92
90
93
95
96
93
95
95
95
95
95
92
90
89
86
86
89
89
87
87
89
90
93

Pressure (mb)

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

Ozone (du)

343
343
344
344
344
344
344
343
342
342
343
342
342
342
343
343
343
343
343
343
344
348
353
354

Wednesday 8

Waning Gibbous 59%

03:22

10:24

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

Sun - Rise: 06:39, Set: 20:05, Transit: 13:23. Moon - Rise: 03:22, Set: 10:24. Civil Dark: 20:38 - 06:06. Nautical Dark: 21:19 - 05:24. Astro Dark: 22:04 - 04:40

Total Clouds (% Sky Obscured)

91
87
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
38
51
48
36
32
96
100

Low Clouds (% Sky Obscured)

60
75
84
100
100
94
76
37
9
28
43
52
55
100
100
92
63
33
46
39
29
18
25
30

Medium Clouds (% Sky Obscured)

0
1
3
7
4
0
2
67
31
30
36
33
11
23
65
48
1
0
0
2
0
0
0
1

High Clouds (% Sky Obscured)

58
73
99
64
98
100
100
100
100
100
100
97
100
100
99
100
100
38
51
48
36
32
96
100

ISS Passover

Visibility (miles)

0
0
1
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
13
77
8
2
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)

3
3
3
2
3
5
4
6
4
7
8
9
13
15
18
20
21
22
23
23
23
23
22
21

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
10
10
10
10
10
10
10
11
11
10
10
11
10
10
10
10
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
93
93
90
91
90
91
88
87
88
88
88
90
87
80
81
76
72
72
66
63
61
63

Pressure (mb)

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

Ozone (du)

352
350
349
349
348
347
346
346
347
345
346
350
349
348
351
352
351
353
352
350
350
347
347
345

Thursday 9

Waning Gibbous 49%

03:58

11:32

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

Sun - Rise: 06:37, Set: 20:07, Transit: 13:23. Moon - Rise: 03:58, Set: 11:32. Civil Dark: 20:40 - 06:03. Nautical Dark: 21:21 - 05:22. Astro Dark: 22:06 - 04:37

Total Clouds (% Sky Obscured)

33
67
37
100
84
100
69
74
100
90
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

21
5
6
32
30
28
10
0
0
0
0
0
0
22
34
57
54
52
49
47
58
70
82
88

Medium Clouds (% Sky Obscured)

29
46
37
5
21
57
69
74
100
90
100
100
99
100
100
100
100
93
83
73
79
86
80
82

High Clouds (% Sky Obscured)

33
67
37
100
84
100
56
57
100
56
95
99
100
100
100
100
100
100
100
100
99
98
96
81

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
2
5
2
0
0
0
0
0
0
0
2
1
23

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)

19
18
16
15
12
9
6
4
4
5
6
8
12
14
18
20
23
24
24
24
25
24
24
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
61
60
63
63
64
61
61
63
65
70
69
69
67
68
68
72
69
72
74
74
80
85
90

Pressure (mb)

1025
1026
1026
1026
1026
1025
1025
1024
1023
1023
1022
1022
1021
1020
1019
1018
1017
1016
1014
1013
1011
1010
1009
1008

Ozone (du)

344
342
342
343
343
343
341
340
339
339
339
340
339
339
338
338
338
339
338
338
339
342
342
343

Friday 10

Third Quarter 39%

04:25

12:46

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

Sun - Rise: 06:35, Set: 20:08, Transit: 13:22. Moon - Rise: 04:25, Set: 12:46. Civil Dark: 20:42 - 06:01. Nautical Dark: 21:23 - 05:20. Astro Dark: 22:08 - 04:34

Total Clouds (% Sky Obscured)

100
100
98
96
95
88
78
68
73
79
88
92
96
100
94
88
85
85
55
62
89
54
77
74

Low Clouds (% Sky Obscured)

94
100
82
65
50
51
52
55
54
71
66
72
47
50
36
42
39
42
48
56
63
43
48
53

Medium Clouds (% Sky Obscured)

78
75
66
48
37
22
11
0
1
1
2
12
21
25
25
20
15
15
13
11
22
39
57
56

High Clouds (% Sky Obscured)

65
50
45
45
50
24
35
2
35
50
45
45
55
55
55
50
50
53
3
0
0
0
0
28

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
8
9
8
6
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
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 (%)

47
61
65
65
50
29
13
3
13
19
25
33
32
40
49
48
49
46
33
28
32
36
39
41

Precipitation Amount (mm)

0
0.3
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)

24
23
23
20
19
20
20
20
20
22
24
25
25
25
24
25
25
24
25
26
27
27
26
27

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
9
8
8
7
5
3
2
2
2
3
2
2
0
-1
0
1
-0
0
1
3
4
4

Relative Humidity (%)

91
93
90
87
90
87
78
69
61
63
64
69
66
66
58
53
58
61
54
55
58
67
70
70

Pressure (mb)

1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

345
345
347
351
353
355
357
359
364
366
367
368
369
373
376
377
381
384
389
393
391
401
413
422

Saturday 11

Waning Crescent 30%

04:46

14:03

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

Sun - Rise: 06:33, Set: 20:10, Transit: 13:22. Moon - Rise: 04:46, Set: 14:03. Civil Dark: 20:44 - 05:59. Nautical Dark: 21:25 - 05:17. Astro Dark: 22:11 - 04:31

Total Clouds (% Sky Obscured)

68
66
79
60
57
64
75
97
93
63
53
80
77
70
70
69
68
63
59
60
64
60
52
60

Low Clouds (% Sky Obscured)

58
61
59
57
52
51
50
48
47
54
53
62
62
61
52
40
35
31
30
30
38
41
46
55

Medium Clouds (% Sky Obscured)

56
55
66
27
16
24
32
94
91
30
16
25
21
16
26
35
43
42
45
39
25
25
26
33

High Clouds (% Sky Obscured)

60
66
60
30
0
0
0
0
0
0
0
1
3
5
25
52
60
50
55
55
40
22
0
6

ISS Passover

Visibility (miles)

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

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
Very Light Rain
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

Precipitation Probability (%)

46
53
63
61
66
59
52
50
45
37
37
34
30
26
31
34
37
34
32
26
30
37
45
46

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

27
27
27
27
25
24
25
25
24
23
22
21
18
17
17
16
16
16
16
16
16
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
5
5
5
5
5
4
4
3
4
4
4
4
4
4
4
4
5
5

Relative Humidity (%)

73
73
74
74
74
73
76
74
74
74
74
73
71
69
68
68
67
68
67
66
65
68
73
75

Pressure (mb)

1008
1009
1009
1009
1010
1010
1010
1011
1011
1012
1012
1013
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

426
430
439
449
464
476
483
487
486
486
484
484
480
476
471
469
467
465
458
452
445
441
438
434

Sunday 12

Waning Crescent 20%

05:02

15:21

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

Sun - Rise: 06:31, Set: 20:11, Transit: 13:22. Moon - Rise: 05:02, Set: 15:21. Civil Dark: 20:45 - 05:57. Nautical Dark: 21:27 - 05:15. Astro Dark: 22:13 - 04:28

Total Clouds (% Sky Obscured)

70
82
89
95
100
99
97
95
91
88
87
87
88
88
90
92
93
91
87
83
74
73
72
75

Low Clouds (% Sky Obscured)

62
72
72
72
74
74
76
79
74
72
71
64
59
54
63
74
87
83
82
79
74
71
65
60

Medium Clouds (% Sky Obscured)

41
58
79
90
100
94
88
83
71
68
67
75
80
82
84
87
84
82
74
65
41
21
1
0

High Clouds (% Sky Obscured)

11
13
40
70
100
67
33
0
0
0
14
16
11
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

47
49
50
50
51
64
76
81
77
65
49
46
41
33
37
44
51
66
83
95
95
88
75
66

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.4
0.4
0.4
0.2
0
0
0
0
0
0
0
0.3
0.5
0.8
0.7
0.6
0.4
0.3

Wind Speed/Direction (mph)

14
13
13
14
15
16
14
13
13
13
15
16
17
16
16
16
17
18
19
19
21
20
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
6
5
5
5
4
4
4
4
4
4
4
4
4
4
4
5
6
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

77
80
81
81
81
81
81
81
82
85
87
88
88
87
85
85
85
85
87
88
91
91
93
95

Pressure (mb)

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

Ozone (du)

435
435
435
436
436
436
435
433
431
431
431
431
432
433
434
432
430
427
420
413
406
404
402
400

Monday 13

Waning Crescent 12%

05:17

16:39

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
11 Bad
12 Bad

Sun - Rise: 06:29, Set: 20:13, Transit: 13:22. Moon - Rise: 05:17, Set: 16:39. Civil Dark: 20:47 - 05:55. Nautical Dark: 21:29 - 05:12. Astro Dark: 22:15 - 04:25

Total Clouds (% Sky Obscured)

81
92
92
96
96
95
95
90
85
90
90
91
87
75
82
85
89

Low Clouds (% Sky Obscured)

44
31
28
25
23
28
29
30
35
35
40
41
42
42
47
57
68

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
25
47
75

High Clouds (% Sky Obscured)

0
0
2
5
6
3
1
0
0
1
2
3
3
4
11
18
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8

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 (%)

51
36
35
29
16
20
18
9
13
13
12
16
18
19
22
25
27

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
16
15
14
13
12
11
9
8
7
5
4
4
5
6
4
3

Chance of Frost

Temperature (°C)

10
10
9
9
9
9
9
9
9
9
9
9
9
10
10
11
11

Feels Like (°C)

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

Dew Point (°C)

9
9
9
8
8
8
8
8
8
8
8
8
8
8
8
8
8

Relative Humidity (%)

95
95
95
93
93
90
90
91
90
90
90
90
88
85
84
83
81

Pressure (mb)

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

Ozone (du)

396
392
389
385
382
379
378
376
375
375
375
375
373
370
367
366
365

Forecast for St Ives, Cornwall, United Kingdom (50.22,-5.48)

Generated: 07/04/26 20:45:07. Forecast: 07/04/26 to 13/04/26. Timezone: UTC+1.00