Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 5

Waning Gibbous 85%

00:21

07:38

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

Sun - Rise: 06:29, Set: 19:47, Transit: 13:09. Moon - Rise: 00:21, Set: 07:38. Civil Dark: 20:21 - 05:55. Nautical Dark: 21:03 - 05:13. Astro Dark: 21:49 - 04:27

Total Clouds (% Sky Obscured)

61
55
58
66
47
21
2
3
0
0
8
17
49
77
100
100
100
100
72
39
50
54
49
54

Low Clouds (% Sky Obscured)

30
16
7
0
0
0
0
0
0
0
0
0
0
0
0
0
11
0
31
35
44
50
48
54

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
26
0
13
9
6
33
30
2
2
0
0
2

High Clouds (% Sky Obscured)

42
55
58
66
23
21
2
3
0
0
8
17
49
77
100
100
100
100
72
39
50
54
39
8

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
12
0
2
0
0
0
0
0
2
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
14
12
8
7
6
4
4
3
3
3
3
3
3
3
4
6
9
11
12
11
11

Chance of Frost

Temperature (°C)

11
11
10
9
7
6
5
4
4
4
3
3
3
2
2
2
2
4
6
8
10
11
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
61
66
68
71
76
83
86
89
89
89
89
89
91
89
86
86
83
76
75
70
66
63
62

Pressure (mb)

1020
1021
1022
1022
1023
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1026
1026
1026
1025
1025

Ozone (du)

387
385
383
383
381
378
374
372
372
372
372
371
370
368
365
365
364
365
365
364
362
363
365
365

Monday 6

Waning Gibbous 77%

01:30

08:13

15 Bad
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 Good
06 Good
07 Good
08 Good
09 Good
10 OK
11 OK
12 Good
13 Good
14 OK

Sun - Rise: 06:27, Set: 19:49, Transit: 13:09. Moon - Rise: 01:30, Set: 08:13. Civil Dark: 20:23 - 05:52. Nautical Dark: 21:05 - 05:10. Astro Dark: 21:51 - 04:24

Total Clouds (% Sky Obscured)

54
13
4
12
30
43
0
0
0
0
0
0
0
0
3
0
0
0
13
28
19
0
4
39

Low Clouds (% Sky Obscured)

46
13
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)

8
3
4
3
2
13
0
0
0
0
0
0
0
0
0
0
0
0
5
13
9
0
0
0

High Clouds (% Sky Obscured)

4
10
4
7
16
14
0
0
0
0
0
0
0
0
2
0
0
0
4
3
0
0
4
36

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)

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

Chance of Frost

Temperature (°C)

13
13
13
12
11
9
8
8
8
7
7
7
6
6
6
6
6
7
8
11
13
15
17
18

Feels Like (°C)

10
10
10
10
9
8
7
6
6
6
5
5
5
4
4
5
4
4
6
8
10
12
13
14

Dew Point (°C)

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

Relative Humidity (%)

64
65
69
76
81
90
88
87
87
88
87
88
88
88
90
91
87
78
74
68
65
63
62
61

Pressure (mb)

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

Ozone (du)

364
364
365
367
367
365
365
365
365
362
360
358
357
357
357
355
353
352
351
349
349
347
347
347

Tuesday 7

Waning Gibbous 69%

02:29

09:00

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

Sun - Rise: 06:25, Set: 19:50, Transit: 13:08. Moon - Rise: 02:29, Set: 09:00. Civil Dark: 20:25 - 05:50. Nautical Dark: 21:07 - 05:08. Astro Dark: 21:53 - 04:21

Total Clouds (% Sky Obscured)

3
4
1
0
2
9
58
94
88
62
28
37
50
47
68
66
56
31
16
16
29
54
56
49

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
11
23
8
0
8
36
34
32

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
2
12
18
13
7
0
4
28
4
4
4
4
4
4
3
0
0
0

High Clouds (% Sky Obscured)

3
4
1
0
2
9
58
81
15
4
3
16
15
25
51
16
19
2
3
9
7
9
12
10

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
4
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)

15
14
13
12
11
10
8
7
6
6
5
5
5
5
4
4
5
5
7
6
6
7
8
8

Chance of Frost

Temperature (°C)

18
18
18
17
15
14
13
12
12
11
11
10
10
10
10
9
9
10
12
14
16
17
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
65
67
72
75
79
80
84
86
87
88
88
90
88
88
88
87
84
76
71
66
63
60
58

Pressure (mb)

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

Ozone (du)

349
349
349
349
349
349
349
350
351
350
350
349
348
347
347
347
346
346
347
348
347
346
347
349

Wednesday 8

Waning Gibbous 59%

03:16

09:59

15 OK
16 Bad
17 OK
18 OK
19 OK
20 OK
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

Sun - Rise: 06:22, Set: 19:52, Transit: 13:08. Moon - Rise: 03:16, Set: 09:59. Civil Dark: 20:27 - 05:48. Nautical Dark: 21:09 - 05:05. Astro Dark: 21:56 - 04:18

Total Clouds (% Sky Obscured)

47
54
48
23
21
42
56
63
68
78
99
82
99
92
85
82
78
92
100
100
98
100
100
100

Low Clouds (% Sky Obscured)

30
20
11
0
17
36
54
38
19
0
0
0
0
12
23
32
39
45
53
64
71
84
80
73

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
5
8
13
17
17
20
22
23
27
20
10
0
0
0

High Clouds (% Sky Obscured)

10
16
11
10
14
26
35
53
68
78
99
82
97
70
43
26
47
75
100
100
90
100
100
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
2
6

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

Chance of Frost

Temperature (°C)

18
18
18
17
15
13
12
11
10
9
9
8
8
7
7
7
7
9
10
12
13
14
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
59
63
72
75
82
83
85
85
87
87
87
85
84
84
81
78
77
72
66
65
68
71
70

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1025
1026
1026
1025
1025
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

351
351
352
353
354
357
361
364
364
362
359
357
357
357
356
356
356
357
358
359
360
360
359
356

Thursday 9

Waning Gibbous 50%

03:51

11:09

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:20, Set: 19:54, Transit: 13:08. Moon - Rise: 03:51, Set: 11:09. Civil Dark: 20:28 - 05:45. Nautical Dark: 21:11 - 05:02. Astro Dark: 21:58 - 04:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
96
100
100
100
100
100
100
100
100
98
64
70
72
91
98
100
100
100

Low Clouds (% Sky Obscured)

66
56
42
25
19
13
7
5
0
3
0
0
0
0
0
0
0
0
0
17
33
50
40
29

Medium Clouds (% Sky Obscured)

4
33
14
26
4
2
1
12
22
34
48
55
65
65
60
60
3
4
4
5
10
15
23
24

High Clouds (% Sky Obscured)

100
100
100
100
100
100
75
100
100
100
100
100
100
97
98
90
59
53
40
58
74
90
90
90

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
6
4
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
4
9

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
10
8
7
6
6
5
3
4
4
4
4
4
4
4
4
4
5
7
8
9
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
15
13
12
10
11
9
8
8
6
6
5
5
5
6
4
4
5
5
6
6
13

Dew Point (°C)

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

Relative Humidity (%)

69
69
69
74
75
79
83
85
85
87
90
91
87
85
84
81
82
76
71
67
65
63
61
61

Pressure (mb)

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

Ozone (du)

355
353
352
351
351
351
352
352
352
351
351
352
352
351
351
352
352
351
351
350
351
351
352
356

Friday 10

Third Quarter 39%

04:17

12:24

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
10 Bad
11 Bad
12 OK
13 Bad
14 Bad

Sun - Rise: 06:18, Set: 19:55, Transit: 13:08. Moon - Rise: 04:17, Set: 12:24. Civil Dark: 20:30 - 05:43. Nautical Dark: 21:13 - 05:00. Astro Dark: 22:01 - 04:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
94
90
86
72
60
45
71
85
93
77
47
21
47
73

Low Clouds (% Sky Obscured)

18
12
6
0
0
0
0
0
0
0
0
1
1
1
2
3
4
5
4
3
3
4
6
7

Medium Clouds (% Sky Obscured)

21
17
15
9
6
3
1
7
12
18
34
48
62
56
54
45
63
71
76
77
47
21
47
57

High Clouds (% Sky Obscured)

85
76
52
53
69
84
93
95
98
100
67
33
0
0
0
10
45
54
61
50
39
21
44
65

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
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
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 (%)

10
11
9
0
0
0
0
0
0
0
0
0
0
0
0
0
23
36
41
34
29
17
14
16

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
60
65
71
77
80
80
82
81
79
79
81
81
81
85
88
91
90
89
89
87
86
85
87

Pressure (mb)

1021
1020
1019
1019
1018
1018
1018
1017
1017
1016
1015
1014
1014
1013
1012
1011
1011
1011
1011
1010
1010
1010
1009
1009

Ozone (du)

359
363
366
368
370
368
365
363
361
360
359
356
354
351
351
351
351
351
352
352
353
354
355
355

Saturday 11

Waning Crescent 30%

04:36

13:43

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
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:16, Set: 19:57, Transit: 13:07. Moon - Rise: 04:36, Set: 13:43. Civil Dark: 20:32 - 05:41. Nautical Dark: 21:15 - 04:57. Astro Dark: 22:03 - 04:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

8
21
34
47
55
63
68
76
83
90
92
96
98
98
98
98
95
91
88
85
82
78

Medium Clouds (% Sky Obscured)

46
59
73
86
91
95
100
100
100
100
100
100
100
98
95
93
95
97
99
99
99
99

High Clouds (% Sky Obscured)

94
96
98
99
79
62
43
62
81
100
77
53
28
52
77
100
70
43
19
24
29
32

ISS Passover

Visibility (miles)

7
6
7
8
9
9
8
7
8
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

Precipitation Type

None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

22
33
41
59
64
60
54
57
58
60
71
79
78
84
92
95
86
62
48
44
37
26

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
5
6
9
10
10
12
11
9
8
8
8
8
8
8
8
8
9
9
9
9

Chance of Frost

Temperature (°C)

14
13
11
9
7
6
5
5
5
5
5
5
5
5
5
5
4
5
6
7
8
9

Feels Like (°C)

13
13
13
14
14
3
2
2
1
1
1
1
2
2
2
2
2
2
2
2
3
4

Dew Point (°C)

12
12
10
8
6
5
5
4
4
4
4
4
4
4
3
3
3
2
2
2
2
2

Relative Humidity (%)

89
92
93
93
94
94
94
94
96
94
93
93
91
91
89
88
88
82
78
72
68
61

Pressure (mb)

1009
1009
1010
1011
1012
1013
1013
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016
1017

Ozone (du)

356
356
357
359
360
360
360
361
358
356
354
353
352
351
352
354
355
358
361
364
366
367

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

Generated: 05/04/26 15:50:57. Forecast: 05/04/26 to 11/04/26. Timezone: UTC+1.00