Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 24

First Quarter 58%

11:53

03:47

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

Sun - Rise: 05:49, Set: 20:19, Transit: 13:05. Moon - Rise: 11:53, Set: 03:47. Civil Dark: 20:56 - 05:11. Nautical Dark: 21:43 - 04:24. Astro Dark: 22:39 - 03:27

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
3
8
7
32
58
3
0
0
0
1
1
10
14
29
85
100
100
100

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
0
0
0
0
0
0
0
0
0
0
0
0
1
2
10
31
79
97
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
3
8
7
23
36
3
0
0
0
1
1
10
14
29
82
100
76
37

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)

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

Chance of Frost

Temperature (°C)

9
11
13
15
16
17
18
18
17
16
14
11
10
8
7
6
5
4
4
3
3
4
6
9

Feels Like (°C)

6
9
11
13
14
16
16
17
15
15
13
11
9
7
6
3
4
3
1
0
1
2
3
7

Dew Point (°C)

2
3
4
6
6
7
7
9
10
12
10
8
5
2
0
-2
-3
-5
-6
-6
-6
-4
-2
0

Relative Humidity (%)

62
57
54
52
50
49
50
57
64
74
78
77
70
67
63
58
56
52
50
49
49
55
55
52

Pressure (mb)

1027
1026
1026
1025
1025
1024
1023
1023
1022
1022
1022
1023
1023
1024
1024
1023
1023
1023
1023
1022
1022
1022
1022
1022

Ozone (du)

371
371
372
370
368
367
364
361
358
359
361
360
359
358
356
357
358
357
358
359
360
365
369
373

Saturday 25

Waxing Gibbous 68%

13:17

04:03

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

Sun - Rise: 05:47, Set: 20:21, Transit: 13:05. Moon - Rise: 13:17, Set: 04:03. Civil Dark: 20:58 - 05:09. Nautical Dark: 21:45 - 04:21. Astro Dark: 22:42 - 03:24

Total Clouds (% Sky Obscured)

99
100
100
100
51
65
82
79
67
15
14
32
45
50
48
30
10
24
0
0
0
11
22
100

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)

71
66
48
32
3
36
49
47
40
9
8
22
29
32
43
30
10
24
0
0
0
11
22
45

High Clouds (% Sky Obscured)

73
44
43
45
23
3
4
6
7
6
14
20
25
45
48
30
10
15
0
0
0
11
18
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 (%)

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)

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

Chance of Frost

Temperature (°C)

12
14
16
17
17
18
18
18
18
17
15
13
12
12
12
11
11
9
7
6
5
6
8
10

Feels Like (°C)

9
12
15
17
18
18
19
19
19
17
16
11
10
10
10
9
9
6
5
4
2
3
6
8

Dew Point (°C)

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

Relative Humidity (%)

50
47
44
43
43
43
44
46
54
64
64
66
66
67
66
66
65
65
67
70
76
81
77
73

Pressure (mb)

1022
1022
1022
1022
1022
1021
1021
1021
1021
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1025
1025
1026
1026
1027

Ozone (du)

373
374
374
375
374
373
373
373
373
374
374
375
376
376
374
371
369
369
370
368
366
365
366
367

Sunday 26

Waxing Gibbous 78%

14:37

04:15

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

Sun - Rise: 05:45, Set: 20:22, Transit: 13:04. Moon - Rise: 14:37, Set: 04:15. Civil Dark: 21:00 - 05:07. Nautical Dark: 21:47 - 04:19. Astro Dark: 22:45 - 03:20

Total Clouds (% Sky Obscured)

100
97
19
8
42
28
22
13
42
63
57
98
100
83
90
95
95
69
26
29
92
68
38
6

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
20
9
30
23
11
2
2
16
12
5
6
2
2
2
4
9
2
3

Medium Clouds (% Sky Obscured)

98
66
19
8
42
28
22
13
42
63
57
80
80
45
65
70
66
68
26
29
65
50
7
6

High Clouds (% Sky Obscured)

100
94
19
8
42
27
17
13
19
30
18
97
100
82
85
85
87
45
16
15
91
66
35
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
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
6
6
6
5
4
3
2
1
3
3
3
4
4
4
4
3
3
3
1
2
2
1
3

Chance of Frost

Temperature (°C)

12
14
15
17
18
18
18
18
18
17
15
13
11
10
9
8
8
8
8
8
8
8
10
13

Feels Like (°C)

10
11
13
15
16
16
17
17
17
16
14
11
9
8
7
7
7
6
6
6
6
7
9
12

Dew Point (°C)

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

Relative Humidity (%)

70
65
62
61
58
58
57
57
62
72
73
72
76
83
91
91
91
93
91
88
88
85
78
72

Pressure (mb)

1027
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

367
368
368
367
366
366
366
366
367
369
370
372
374
378
382
383
384
382
384
383
382
381
384
390

Monday 27

Waxing Gibbous 86%

15:54

04:26

10 Good
11 Good
12 Good
13 OK
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: 05:43, Set: 20:24, Transit: 13:04. Moon - Rise: 15:54, Set: 04:26. Civil Dark: 21:01 - 05:05. Nautical Dark: 21:50 - 04:16. Astro Dark: 22:48 - 03:17

Total Clouds (% Sky Obscured)

9
3
3
10
27
36
53
61
69
80
92
100
89
81
68
72
80
91
90
89
87
86
88
87

Low Clouds (% Sky Obscured)

5
1
1
9
19
28
34
43
51
45
37
29
37
36
34
45
56
64
67
71
77
84
83
80

Medium Clouds (% Sky Obscured)

6
0
0
0
3
8
53
61
69
67
65
60
51
56
55
46
40
14
1
23
0
2
0
70

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
30
63
95
69
37
15
34
52
72
57
37
7
1
10
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
3
3
3
2
4
3
3
4
9
2
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
2
7
15
43
75
85
91
78
77
58
51
57
65
37
13
12
3
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.6
0.8
0.9
0.6
0.6
0.4
0.3
0.3
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
17
18
18
19
19
17
17
17
15
14
12
11
10
9
9
8
7
7
7
6
7
8

Feels Like (°C)

15
15
17
19
19
19
19
16
16
17
15
13
11
7
8
6
5
4
3
3
3
3
4
3

Dew Point (°C)

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

Relative Humidity (%)

70
68
67
65
64
64
70
88
89
87
90
95
96
93
96
96
96
96
94
94
96
96
94
88

Pressure (mb)

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

Ozone (du)

391
394
396
396
397
396
397
399
402
404
406
411
417
420
421
422
422
422
423
423
424
424
420
417

Tuesday 28

Waxing Gibbous 93%

17:09

04:37

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

Sun - Rise: 05:41, Set: 20:25, Transit: 13:04. Moon - Rise: 17:09, Set: 04:37. Civil Dark: 21:03 - 05:03. Nautical Dark: 21:52 - 04:14. Astro Dark: 22:51 - 03:13

Total Clouds (% Sky Obscured)

88
88
89
82
75
75
74
67
61
48
35
21
33
42
52
62
69
75
79
83
87
78
74
67

Low Clouds (% Sky Obscured)

88
87
78
70
60
55
58
63
61
48
35
21
33
42
52
62
69
72
79
83
87
78
74
67

Medium Clouds (% Sky Obscured)

65
45
45
16
2
3
1
0
0
0
1
0
1
2
0
0
1
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

14
24
20
24
35
38
26
16
5
3
1
0
0
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 (%)

9
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
5
5
7
8
9
10
10
9
9
8
6
5
3
2
2
2
2
2
2
1
1
3
3

Dew Point (°C)

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

Relative Humidity (%)

88
87
76
67
62
61
63
69
70
72
77
81
85
87
91
93
93
94
94
94
94
93
85
78

Pressure (mb)

1027
1027
1027
1027
1026
1026
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025

Ozone (du)

416
415
416
417
418
418
418
418
419
419
422
424
424
421
417
414
411
409
406
401
396
390
389
387

Wednesday 29

Waxing Gibbous 97%

18:23

04:48

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: 05:39, Set: 20:27, Transit: 13:04. Moon - Rise: 18:23, Set: 04:48. Civil Dark: 21:05 - 05:01. Nautical Dark: 21:54 - 04:11. Astro Dark: 22:54 - 03:10

Total Clouds (% Sky Obscured)

68
74
81
80
79
78
75
72
71
62
54
48
57
66
69
75
68
70
65
55
49
43
41
34

Low Clouds (% Sky Obscured)

68
74
77
76
71
66
60
61
59
52
41
31
33
39
45
47
51
53
49
43
36
33
30
27

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
10
18
27
43
55
60
65
55
49
43
41
34

High Clouds (% Sky Obscured)

7
9
14
11
8
9
9
10
10
10
5
10
10
5
5
5
5
5
10
10
25
26
26
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
2
2
1

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
2
2
2
1
0
0
0
0
0
0
0
1
1
2
5
8
9
55
90
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.9
1.4
1.7
1.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
4
4
9
9
8
9
9
10
6
6
6
5
4
3
1
0
-0
1
1
1
2
4

Dew Point (°C)

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

Relative Humidity (%)

72
67
64
60
62
64
66
68
70
71
73
76
77
78
77
75
76
76
78
82
88
94
94
96

Pressure (mb)

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

Ozone (du)

386
385
384
383
381
378
375
373
370
367
367
367
367
367
366
365
365
364
364
365
365
366
370
373

Thursday 30

Waxing Gibbous 99%

19:37

05:02

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 OK
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: 05:37, Set: 20:29, Transit: 13:04. Moon - Rise: 19:37, Set: 05:02. Civil Dark: 21:07 - 04:59. Nautical Dark: 21:56 - 04:09. Astro Dark: 22:58 - 03:06

Total Clouds (% Sky Obscured)

22
14
5
6
7
9
7
6
5
37
68
99
99
99
100
85
70
54
58
64
69

Low Clouds (% Sky Obscured)

18
9
0
0
0
0
0
0
5
9
11
13
11
5
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

22
14
5
6
4
0
0
0
0
3
4
8
40
70
99
75
50
21
17
13
8

High Clouds (% Sky Obscured)

18
11
4
3
3
4
2
1
0
26
49
67
78
89
100
82
66
49
58
64
69

ISS Passover

Visibility (miles)

0
0
0
0
3
6
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

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

Precipitation Probability (%)

95
95
71
51
36
26
29
34
38
37
29
11
9
6
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.3
0.8
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
96
95
93
92
90
87
87
90
91
93
93
93
95
95
93
93
93
93

Pressure (mb)

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

Ozone (du)

376
378
379
380
383
387
390
399
409
418
412
405
399
395
391
387
385
382
380
379
378

Forecast for Swindon, Swindon, United Kingdom (51.56,-1.78)

Generated: 24/04/26 10:05:12. Forecast: 24/04/26 to 30/04/26. Timezone: UTC+1.00