Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 26

Waxing Gibbous 78%

14:37

04:03

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

Sun - Rise: 05:47, Set: 20:22, Transit: 13:04. Moon - Rise: 14:37, Set: 04:03. Civil Dark: 21:00 - 05:09. Nautical Dark: 21:47 - 04:21. Astro Dark: 22:45 - 03:24

Total Clouds (% Sky Obscured)

97
11
48
4
84
0
0
0
1
1
3
1
1
0
1
3
13
5
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
3
4
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

17
88
80
90
88
84
39
20
7
21
39
76
92
100
88
83
95
87
87
87
88
97
100
100

High Clouds (% Sky Obscured)

78
90
98
99
100
100
79
80
100
100
91
100
100
100
100
82
79
100
77
100
100
100
100
100

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9

Fog (%)

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

Chance of Frost

Temperature (°C)

7
9
7
9
7
6
6
6
9
11
13
16
17
18
19
19
19
19
18
17
16
13
12
11

Feels Like (°C)

5
8
6
8
5
5
4
5
8
10
12
14
15
16
17
17
17
17
15
14
14
11
11
9

Dew Point (°C)

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

Relative Humidity (%)

78
67
75
68
73
79
78
81
80
68
62
49
42
41
35
33
35
36
39
43
40
76
77
76

Pressure (mb)

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

Ozone (du)

374
370
370
372
372
372
369
369
368
369
369
368
368
367
363
361
360
362
362
365
367
367
368
368

Monday 27

Waxing Gibbous 86%

15:54

04:15

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

Sun - Rise: 05:45, Set: 20:24, Transit: 13:04. Moon - Rise: 15:54, Set: 04:15. Civil Dark: 21:01 - 05:07. Nautical Dark: 21:50 - 04:19. Astro Dark: 22:48 - 03:20

Total Clouds (% Sky Obscured)

96
87
80
60
53
50
69
69
70
70
36
3
24
27
89
79
53
85
96
72
80
66
18
41

Low Clouds (% Sky Obscured)

1
1
1
1
0
0
0
0
0
0
0
0
24
21
22
27
0
49
25
0
53
57
14
8

Medium Clouds (% Sky Obscured)

88
87
75
60
53
39
58
60
57
57
30
3
1
6
72
60
47
68
93
54
40
15
3
21

High Clouds (% Sky Obscured)

94
77
7
4
3
3
3
0
0
0
0
1
0
0
5
4
7
17
73
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
5
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
1
8
25
29
34
39
42
14
9
7
15
1
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
2
2
1
1
2
1
1
2
2
4
5
5
6
8
8
10
10
10
11
9
8
11
10

Chance of Frost

Temperature (°C)

10
10
9
9
9
9
8
8
10
13
15
16
18
18
19
19
18
18
17
16
15
13
12
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
74
78
85
87
88
85
85
78
75
73
71
67
65
60
63
69
73
78
79
83
90
95
96

Pressure (mb)

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

Ozone (du)

370
373
374
373
374
375
376
377
378
380
380
379
385
389
387
385
382
383
386
391
399
405
410
416

Tuesday 28

Waxing Gibbous 93%

17:09

04:26

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 OK
17 Bad
18 Bad
19 Good
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 05:43, Set: 20:25, Transit: 13:04. Moon - Rise: 17:09, Set: 04:26. Civil Dark: 21:03 - 05:05. Nautical Dark: 21:52 - 04:16. Astro Dark: 22:51 - 03:17

Total Clouds (% Sky Obscured)

56
74
81
100
100
92
100
91
100
100
92
99
97
100
92
49
38
47
52
4
0
0
0
0

Low Clouds (% Sky Obscured)

56
74
81
100
100
77
88
78
100
100
82
98
95
55
55
37
38
33
11
4
0
0
0
0

Medium Clouds (% Sky Obscured)

3
0
0
2
10
37
60
40
29
52
42
44
20
57
39
13
0
16
28
2
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
3
0
0
0
0
0
1
1
2
5
41
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
1
5
22
11
20
19
4
11
17
5
17
5
18
1
3
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
10
11
11
14
11
11
12
15
16
16
17
18
19
18
17
18
19
19
18
18
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
8
8
8
6
7
7
7
8
8
8
7
8
8
8
8
7
7
8
8
7
7
6
4

Relative Humidity (%)

96
95
96
98
88
91
93
95
96
95
93
85
85
79
77
75
64
65
70
74
77
82
85
82

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1026
1025
1025
1025
1024
1024
1023
1023
1023
1024
1025
1025
1025

Ozone (du)

427
432
434
435
435
434
433
435
432
428
425
421
419
417
416
415
413
412
414
416
415
413
413
412

Wednesday 29

Waxing Gibbous 97%

18:23

04:37

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

Sun - Rise: 05:41, Set: 20:27, Transit: 13:04. Moon - Rise: 18:23, Set: 04:37. Civil Dark: 21:05 - 05:03. Nautical Dark: 21:54 - 04:14. Astro Dark: 22:54 - 03:13

Total Clouds (% Sky Obscured)

0
0
0
0
26
29
23
0
0
0
2
55
60
55
45
40
24
25
25
23
30
38
38
42

Low Clouds (% Sky Obscured)

0
0
0
0
26
29
23
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
3
0
0
0
0
0
0
0
0
3
3
0
0
0
3
20
30
3
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
20
15
15
15
15
15
10
15
18
26
29
20
13

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)

16
16
16
16
16
17
16
17
19
20
22
24
24
24
24
24
23
23
22
21
20
20
19
19

Chance of Frost

Temperature (°C)

6
6
5
5
5
5
5
6
8
10
12
14
15
16
17
17
16
16
15
14
12
11
10
10

Feels Like (°C)

1
0
1
1
1
1
1
1
3
5
6
8
9
10
10
10
10
9
8
7
6
5
3
4

Dew Point (°C)

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

Relative Humidity (%)

85
86
88
90
90
91
91
88
82
77
71
68
66
64
64
64
65
64
65
63
62
59
59
63

Pressure (mb)

1025
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1021
1021
1021
1020
1020
1021
1021
1021
1022
1021

Ozone (du)

409
408
406
404
403
401
399
398
399
401
398
395
392
388
386
385
383
382
383
383
382
381
380
379

Thursday 30

Waxing Gibbous 98%

19:37

04:48

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

Sun - Rise: 05:39, Set: 20:29, Transit: 13:04. Moon - Rise: 19:37, Set: 04:48. Civil Dark: 21:07 - 05:01. Nautical Dark: 21:56 - 04:11. Astro Dark: 22:58 - 03:10

Total Clouds (% Sky Obscured)

31
40
35
6
8
6
4
2
3
2
3
3
0
0
1
0
0
0
0
1
2
3
5
7

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
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

13
10
10
2
3
2
2
1
0
0
0
0
0
0
1
0
0
0
0
1
2
3
5
7

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)

18
17
16
16
15
15
16
16
16
17
19
19
20
20
19
18
17
16
15
13
11
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
68
69
70
71
70
70
73
72
70
63
59
55
52
53
56
59
62
65
69
76
81
84
84

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1020
1020
1020
1020
1021
1021

Ozone (du)

378
378
378
378
377
377
376
375
375
376
378
377
376
376
375
374
373
371
369
368
369
370
371
371

Friday 1

Full Moon 99%

20:52

05:02

00 Good
01 Good
02 Good
03 Good
04 OK
05 OK
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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:37, Set: 20:30, Transit: 13:04. Moon - Rise: 20:52, Set: 05:02. Civil Dark: 21:09 - 04:59. Nautical Dark: 21:59 - 04:09. Astro Dark: 23:01 - 03:06

Total Clouds (% Sky Obscured)

9
7
6
4
25
46
67
76
85
94
89
76
66
76
82
87
92
96
100
99
99
98
98
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
3
4
3
1
0
18
36
52
58
61
64
74
84
94
86
77

Medium Clouds (% Sky Obscured)

0
1
3
4
19
31
45
51
50
52
49
42
40
31
25
27
36
45
45
30
18
8
5
4

High Clouds (% Sky Obscured)

9
6
4
1
4
8
10
26
42
67
51
30
9
8
7
6
18
21
30
25
30
40
70
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
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
1
1
3
7
0
3
8
0
2
6
7
20
27
33
46
49
52
45
36

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
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
9
9
9
9
8
8
9
11
13
15
16
18
19
20
20
20
19
17
16
16
15
14
13

Feels Like (°C)

9
9
8
8
8
8
8
9
12
13
15
17
18
20
20
21
20
21
22
22
14
15
14
14

Dew Point (°C)

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

Relative Humidity (%)

84
85
85
87
87
87
85
84
75
71
67
65
63
63
63
65
65
72
81
90
90
89
89
84

Pressure (mb)

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

Ozone (du)

371
371
372
373
375
376
376
376
374
374
375
375
375
375
374
372
371
367
363
359
359
360
360
360

Saturday 2

Waning Gibbous 100%

22:06

05:19

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:35, Set: 20:32, Transit: 13:04. Moon - Rise: 22:06, Set: 05:19. Civil Dark: 21:11 - 04:56. Nautical Dark: 22:01 - 04:06. Astro Dark: 23:04 - 03:03

Total Clouds (% Sky Obscured)

100
100
99
99
94
88
82
89
95
100
100
100
100
100
100
100
88
76
65
61
57
53
61
70

Low Clouds (% Sky Obscured)

71
62
53
42
27
14
0
12
23
35
38
45
53
62
72
78
77
74
65
61
57
53
57
61

Medium Clouds (% Sky Obscured)

0
8
17
30
23
22
20
14
14
20
21
27
28
42
58
74
56
39
23
18
9
0
2
6

High Clouds (% Sky Obscured)

81
88
93
95
77
58
40
60
79
100
100
100
100
100
100
100
68
36
9
12
15
19
25
32

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
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

17
11
5
0
0
0
1
16
25
28
31
30
27
31
38
51
53
48
34
27
15
1
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
73
78
84
91
91
91
91
85
81
77
74
70
66
66
64
64
69
74
79
83
87
91
93

Pressure (mb)

1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

360
360
361
363
364
365
366
367
368
370
372
374
376
378
380
381
383
382
381
379
380
381
381
382

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

Generated: 26/04/26 21:09:07. Forecast: 26/04/26 to 02/05/26. Timezone: UTC+1.00