Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 15

Waning Gibbous 89%

00:30

06:48

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 OK
23 Bad
00 Bad
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:01, Set: 20:48, Transit: 12:55. Moon - Rise: 00:30, Set: 06:48. Civil Dark: 21:31 - 04:18. Nautical Dark: 22:30 - 03:18. Astro Dark: 00:10 - 01:33

Total Clouds (% Sky Obscured)

86
87
85
90
92
92
92
96
92
95
63
30
22
62
59
32
42
51
47
62
62
44
59
46

Low Clouds (% Sky Obscured)

86
87
85
90
92
92
92
96
92
95
63
30
22
62
59
32
42
51
47
62
62
44
59
46

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
0
0
0

High Clouds (% Sky Obscured)

18
3
2
2
2
2
2
2
2
2
2
2
2
1
2
2
2
4
3
3
3
16
20
3

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
15
16
16
15
14
13
11
11
9
7
7
6
6
5
5
6
6
6
8
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
66
64
65
65
66
65
66
66
74
80
90
96
96
94
96
96
96
96
98
98
93
84
72

Pressure (mb)

1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1027
1027
1027
1028
1028
1028
1028
1028
1027
1027
1028
1028
1028

Ozone (du)

356
356
358
360
360
359
360
360
359
358
357
356
355
354
354
357
357
357
357
359
359
360
360
359

Friday 16

Waning Gibbous 82%

01:14

07:55

10 OK
11 OK
12 OK
13 OK
14 OK
15 Good
16 Good
17 Good
18 OK
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

Sun - Rise: 05:00, Set: 20:50, Transit: 12:56. Moon - Rise: 01:14, Set: 07:55. Civil Dark: 21:33 - 04:17. Nautical Dark: 22:33 - 03:16. Astro Dark: 00:18 - 01:22

Total Clouds (% Sky Obscured)

40
30
27
38
28
7
4
9
26
36
46
88
91
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

40
30
27
38
28
7
0
9
26
36
46
88
91
100
100
100
100
100
100
100
100
100
100
100

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
0
0
0

High Clouds (% Sky Obscured)

3
3
3
5
7
3
4
3
3
3
3
4
4
2
4
2
0
0
0
2
0
0
0
0

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
1
0
0
2
1
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)

11
12
12
13
14
14
15
14
13
13
11
10
10
12
13
13
13
13
12
12
11
12
11
11

Chance of Frost

Temperature (°C)

13
15
16
17
18
18
17
16
15
13
11
10
9
10
10
10
10
10
10
10
10
10
10
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
54
52
49
48
49
51
54
61
70
80
90
93
87
76
73
74
73
72
74
77
73
74
73

Pressure (mb)

1027
1027
1027
1027
1026
1026
1025
1025
1025
1025
1025
1026
1026
1026
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024

Ozone (du)

357
356
355
355
356
357
357
355
355
355
354
351
350
351
350
350
350
352
353
354
355
356
357
357

Saturday 17

Waning Gibbous 74%

01:45

09:13

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

Sun - Rise: 04:58, Set: 20:51, Transit: 12:56. Moon - Rise: 01:45, Set: 09:13. Civil Dark: 21:34 - 04:15. Nautical Dark: 22:35 - 03:14. Astro Dark: 00:29 - 01:04

Total Clouds (% Sky Obscured)

100
100
96
82
83
39
35
19
13
6
2
0
0
3
4
9
11
56
60
77
88
87
87
89

Low Clouds (% Sky Obscured)

100
100
95
80
83
39
35
19
13
6
2
0
0
3
4
9
11
56
60
77
83
86
86
89

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
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
14
37
17
2

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 (%)

3
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)

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

Chance of Frost

Temperature (°C)

12
12
13
14
15
16
17
17
16
15
13
10
9
8
8
7
7
7
6
6
7
9
10
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
70
70
67
65
63
62
63
66
73
81
90
91
93
93
94
94
93
96
98
94
88
83
75

Pressure (mb)

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

Ozone (du)

357
358
358
360
361
361
362
361
361
363
366
367
369
370
371
372
372
373
374
374
374
375
374
373

Sunday 18

Waning Gibbous 64%

02:07

No Set

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

Sun - Rise: 04:57, Set: 20:53, Transit: 12:56. Moon - Rise: 02:07, Set: No Set. Civil Dark: 21:36 - 04:13. Nautical Dark: 22:38 - 03:11. Astro Dark: 00:47 - N/A

Total Clouds (% Sky Obscured)

93
96
77
70
61
57
49
68
43
28
21
4
21
0
0
10
17
27
31
35
35
39
44
54

Low Clouds (% Sky Obscured)

77
65
30
20
13
5
3
2
0
0
0
0
0
0
0
10
17
27
31
35
35
39
43
51

Medium Clouds (% Sky Obscured)

17
33
50
49
47
41
40
41
40
26
13
0
0
0
0
0
0
0
0
1
1
0
0
1

High Clouds (% Sky Obscured)

21
40
60
57
47
35
25
24
5
3
5
1
5
0
0
0
0
0
0
0
0
0
0
0

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
2
2
2
5
5
0
2
3
2

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
13
14
14
14
14
13
13
12
10
9
6
5
4
4
4
3
4
3
4
4
5
6
7

Chance of Frost

Temperature (°C)

13
14
15
17
17
16
16
15
14
13
12
10
9
8
7
7
6
6
6
6
7
8
10
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
70
65
58
57
57
59
61
67
74
81
91
93
91
93
94
96
98
98
98
98
88
78
71

Pressure (mb)

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

Ozone (du)

375
377
378
376
376
375
375
375
375
375
376
376
379
382
384
385
387
388
387
386
386
386
384
384

Monday 19

Waning Gibbous 53%

02:24

10:35

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
08 Bad
09 Bad

Sun - Rise: 04:56, Set: 20:54, Transit: 12:56. Moon - Rise: 02:24, Set: 10:35. Civil Dark: 21:38 - 04:12. Nautical Dark: 22:40 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

57
59
62
66
82
84
80
76
72
79
84
86
96
92
95
95
94
93
94
96
97
85
69
41

Low Clouds (% Sky Obscured)

49
49
49
46
52
41
25
17
5
28
48
70
68
66
65
69
73
77
77
78
79
59
40
20

Medium Clouds (% Sky Obscured)

9
16
26
31
35
31
29
28
47
42
63
64
86
63
71
74
75
76
68
64
68
51
31
15

High Clouds (% Sky Obscured)

0
0
0
7
13
18
15
10
4
2
1
0
19
38
58
52
43
35
25
13
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
6
8
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
1
10
3
7
0
3
2
10
7
2
0
2
3
2
7
8
7
9
8
4
13
19
26

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

Chance of Frost

Temperature (°C)

14
15
16
17
18
17
17
17
16
15
14
13
11
11
11
10
10
10
10
10
11
11
12
14

Feels Like (°C)

13
14
15
16
16
15
14
14
13
12
11
11
9
9
9
8
8
8
8
7
7
7
11
11

Dew Point (°C)

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

Relative Humidity (%)

65
61
57
54
50
52
63
62
65
70
75
86
93
95
95
98
98
98
100
95
93
91
87
83

Pressure (mb)

1023
1022
1022
1022
1022
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

385
386
387
388
389
389
390
391
392
392
391
390
389
387
386
384
383
383
382
383
383
383
384
385

Tuesday 20

Third Quarter 42%

02:37

11:59

10 Bad
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 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 04:54, Set: 20:56, Transit: 12:56. Moon - Rise: 02:37, Set: 11:59. Civil Dark: 21:40 - 04:10. Nautical Dark: 22:42 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

35
39
43
32
24
9
11
13
7
3
2
1
4
8
12
14
20
62
68
65
65
66
69
77

Low Clouds (% Sky Obscured)

27
39
43
32
23
9
11
13
7
3
2
0
3
5
8
6
3
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

10
7
3
3
3
2
1
1
1
1
2
1
4
8
12
14
20
23
17
10
6
4
2
1

High Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
0
1
2
3
4
8
9
13
40
65
65
66
69
61

ISS Passover

Visibility (miles)

9
8
6
4
5
6
8
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
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

Precipitation Probability (%)

33
37
42
47
48
43
37
35
25
17
8
2
2
1
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.2
0.2
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
11
12
12
12
12
12
11
11
9
7
5
5
4
4
4
4
4
5
5
5
7
8

Chance of Frost

Temperature (°C)

15
16
17
18
18
18
18
17
17
16
14
11
9
9
8
7
7
6
6
7
8
9
11
13

Feels Like (°C)

12
13
14
15
16
16
15
14
14
14
12
11
11
10
9
8
4
4
4
4
4
4
8
9

Dew Point (°C)

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

Relative Humidity (%)

79
82
82
83
79
76
72
72
73
74
80
86
93
93
95
93
93
93
94
91
87
84
76
69

Pressure (mb)

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

Ozone (du)

385
387
388
390
391
392
393
393
393
392
392
391
390
390
390
390
389
388
387
385
383
382
381
381

Wednesday 21

Waning Crescent 30%

02:48

13:23

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

Sun - Rise: 04:53, Set: 20:57, Transit: 12:56. Moon - Rise: 02:48, Set: 13:23. Civil Dark: 21:41 - 04:09. Nautical Dark: 22:45 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

62
34
5
8
10
12
8
4
0
0
0
0
9
25
44
54
61
69
77
86
93

Low Clouds (% Sky Obscured)

0
0
0
3
7
10
7
3
0
0
0
0
0
0
0
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
1
1
2
5
8
14
14
9
0

High Clouds (% Sky Obscured)

42
19
2
2
2
2
1
1
0
0
0
0
9
25
44
54
49
45
60
76
93

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
18
19
20
20
20
19
17
16
14
12
10
9
8
8
7
7
7
8
9

Feels Like (°C)

10
11
12
13
20
19
19
19
18
19
15
15
14
12
12
10
5
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

63
60
57
54
53
53
52
57
64
72
79
84
91
91
93
93
93
94
94
93
91

Pressure (mb)

1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1016

Ozone (du)

381
377
373
369
368
366
364
364
363
362
361
360
359
358
357
357
357
358
358
360
361

Forecast for Castle, Cambridgeshire, United Kingdom (52.21,0.10)

Generated: 15/05/25 10:25:42. Forecast: 15/05/25 to 21/05/25. Timezone: UTC+1.00