Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 3

Waning Gibbous 98%

21:52

06:40

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
00 Bad
01 Bad

Sun - Rise: 06:36, Set: 19:44, Transit: 13:10. Moon - Rise: 21:52, Set: 06:40. Civil Dark: 20:18 - 06:02. Nautical Dark: 20:59 - 05:20. Astro Dark: 21:44 - 04:36

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
96
99
100
100
99
78
80
100
75
55
57
76

Low Clouds (% Sky Obscured)

99
100
92
100
100
85
100
87
76
100
100
96
83
93
90
99
79
49
64
66
64
54
57
62

Medium Clouds (% Sky Obscured)

82
63
80
88
89
71
66
60
55
68
43
33
35
53
77
81
54
24
19
0
5
7
43
23

High Clouds (% Sky Obscured)

45
99
100
99
60
100
100
96
100
100
87
100
90
97
100
100
96
78
73
90
73
55
57
56

ISS Passover

Visibility (miles)

9
9
9
3
9
2
0
0
9
9
9
9
1
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 (%)

29
27
19
50
39
38
18
5
1
6
3
0
1
1
15
13
17
5
19
6
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)

8
11
13
14
15
15
15
15
15
16
18
19
20
20
21
20
20
19
18
19
17
14
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
93
95
96
96
96
96
96
96
95
95
96
95
93
92
92
92
93
83
80
82
93
96

Pressure (mb)

1016
1015
1014
1013
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1014
1015
1016
1017

Ozone (du)

379
377
376
377
377
376
378
380
381
380
380
378
378
378
378
377
375
376
375
373
371
370
371
372

Saturday 4

Waning Gibbous 96%

23:08

06:55

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
00 Bad
01 Bad

Sun - Rise: 06:34, Set: 19:45, Transit: 13:09. Moon - Rise: 23:08, Set: 06:55. Civil Dark: 20:20 - 05:59. Nautical Dark: 21:01 - 05:18. Astro Dark: 21:46 - 04:33

Total Clouds (% Sky Obscured)

93
100
100
100
100
98
91
70
97
100
86
78
87
100
100
74
78
69
85
100
94
94
90
89

Low Clouds (% Sky Obscured)

68
100
100
100
100
93
91
55
97
100
79
78
87
100
100
74
78
69
74
96
88
69
83
79

Medium Clouds (% Sky Obscured)

49
90
62
51
24
83
40
52
8
0
0
0
20
2
0
0
2
2
28
90
68
79
63
32

High Clouds (% Sky Obscured)

30
4
0
0
0
4
0
18
12
56
63
55
31
0
1
9
2
1
7
74
16
23
23
25

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
1
0
1
4
15
6
5
2
0
1
4
5
1
6
0
1
3
12
36
11
3

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)

8
8
8
7
7
7
9
13
17
20
21
24
24
23
23
25
24
25
26
26
26
26
24
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
6
6
5
6
7
8
7
8
8
7
7
7
6
5
5
4
2
2
3
3
0

Dew Point (°C)

7
7
7
7
7
6
6
8
11
10
10
8
8
8
8
7
7
6
7
7
7
8
6
1

Relative Humidity (%)

98
98
98
96
94
90
85
88
95
87
81
71
72
73
73
72
71
72
78
83
80
81
72
56

Pressure (mb)

1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1014
1014
1013
1012
1011
1010
1009
1008
1007
1007
1006
1005
1006
1007

Ozone (du)

374
375
377
379
377
378
378
375
372
370
369
370
370
369
370
367
369
368
368
369
372
376
380
385

Sunday 5

Waning Gibbous 91%

00:21

07:13

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 OK
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:31, Set: 19:47, Transit: 13:09. Moon - Rise: 00:21, Set: 07:13. Civil Dark: 20:21 - 05:57. Nautical Dark: 21:03 - 05:15. Astro Dark: 21:49 - 04:30

Total Clouds (% Sky Obscured)

100
97
100
98
92
95
58
61
55
65
84
85
84
53
47
82
100
73
78
67
41
74
72
65

Low Clouds (% Sky Obscured)

78
78
73
69
71
78
50
48
51
48
73
76
48
51
43
6
3
2
1
2
1
1
0
0

Medium Clouds (% Sky Obscured)

22
26
23
21
19
69
3
12
5
5
12
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

86
54
97
82
25
79
9
2
4
40
53
37
26
1
24
82
100
73
76
63
41
61
64
48

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
2
18
4
20
18
20
42
31
31
35
23
20
19
23
15
1
0
1
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

24
22
19
17
15
13
12
14
18
17
20
20
20
20
18
16
15
13
10
8
6
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
69
72
75
79
82
84
79
87
75
72
66
62
60
64
68
70
71
75
79
82
85
85
85

Pressure (mb)

1008
1009
1010
1011
1012
1013
1013
1014
1016
1017
1018
1018
1019
1020
1021
1021
1022
1023
1024
1025
1026
1026
1026
1026

Ozone (du)

385
385
385
386
388
390
391
389
390
390
392
392
391
392
393
391
389
387
384
383
378
376
374
373

Monday 6

Waning Gibbous 85%

01:30

07:38

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

Sun - Rise: 06:29, Set: 19:49, Transit: 13:09. Moon - Rise: 01:30, Set: 07:38. Civil Dark: 20:23 - 05:55. Nautical Dark: 21:05 - 05:13. Astro Dark: 21:51 - 04:27

Total Clouds (% Sky Obscured)

48
33
56
78
100
85
75
65
68
71
67
56
44
30
22
18
18
14
9
5
10
10
15
15

Low Clouds (% Sky Obscured)

0
0
7
14
22
24
25
24
25
27
34
38
38
20
8
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
7
30
22
18
18
14
9
5
10
10
15
3

High Clouds (% Sky Obscured)

33
20
47
74
100
73
44
16
14
13
21
17
13
13
19
14
7
2
1
5
1
10
15
15

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)

3
3
3
3
4
4
6
9
11
13
13
14
14
14
14
13
13
12
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

2
2
1
1
2
2
4
6
8
9
11
12
12
12
12
12
11
10
9
8
8
8
8
7

Feels Like (°C)

-1
-1
-2
-2
-2
-2
0
1
3
4
6
8
8
7
8
8
7
6
5
4
3
4
3
3

Dew Point (°C)

-1
-1
-1
-1
-1
-1
0
1
3
4
5
6
6
7
7
8
7
7
6
6
5
5
5
5

Relative Humidity (%)

83
84
83
83
83
83
79
71
71
70
66
66
67
70
71
75
77
81
84
85
81
82
81
84

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1024
1024
1023
1022
1022
1021
1021
1021
1020
1020
1020
1019
1019
1018

Ozone (du)

371
369
369
369
368
368
368
368
367
367
366
366
366
365
363
362
361
358
356
355
354
353
351
349

Tuesday 7

Waning Gibbous 77%

No Rise

08:13

02 OK
03 Good
04 Good
05 Good
06 Good
07 OK
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
00 Bad
01 Bad

Sun - Rise: 06:27, Set: 19:50, Transit: 13:09. Moon - Rise: No Rise, Set: 08:13. Civil Dark: 20:25 - 05:52. Nautical Dark: 21:07 - 05:10. Astro Dark: 21:53 - 04:24

Total Clouds (% Sky Obscured)

15
3
1
0
0
32
64
94
99
99
100
94
88
82
88
94
100
94
87
82
89
94
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
16
33
49
57
64
73
81

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
35
3
2
11
16
21
39
56
67
68
73
78
72
66
63
62

High Clouds (% Sky Obscured)

15
3
1
0
0
27
57
77
99
99
100
84
68
51
49
55
58
66
66
65
64
80
100
77

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
2
8
21
18
27
31
33
33
27
7
18
24
38
30
30
31
44

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
5
5
5
5
6
7
9
9
11
13
13
13
13
13
13
13
10
10
10
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

82
84
88
91
91
90
85
83
79
78
75
74
79
85
90
89
89
87
89
93
95
95
95
95

Pressure (mb)

1017
1017
1016
1015
1014
1014
1013
1012
1012
1011
1010
1009
1009
1008
1008
1008
1008
1009
1009
1009
1009
1009
1010
1010

Ozone (du)

348
348
348
348
348
349
349
348
349
350
351
351
351
352
353
355
358
360
363
367
370
371
373
374

Wednesday 8

Waning Gibbous 69%

02:29

09:00

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
00 Bad
01 Bad

Sun - Rise: 06:25, Set: 19:52, Transit: 13:08. Moon - Rise: 02:29, Set: 09:00. Civil Dark: 20:27 - 05:50. Nautical Dark: 21:09 - 05:08. Astro Dark: 21:56 - 04:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
97
90
81
73
68
71
75
92
99
97
94
92
82
73
61
58
56
55
47

Low Clouds (% Sky Obscured)

89
97
90
86
81
77
68
59
50
47
45
52
60
66
64
61
59
39
20
0
0
0
0
9

Medium Clouds (% Sky Obscured)

61
62
65
72
78
55
35
20
19
22
20
32
44
54
62
70
78
82
73
61
58
56
55
47

High Clouds (% Sky Obscured)

51
27
51
76
100
86
75
59
67
68
71
75
92
99
80
61
52
47
43
40
40
40
40
28

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
4
3
5
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

43
35
41
36
18
27
24
6
21
22
16
29
27
33
68
91
95
95
95
95
76
51
30
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.7
0.8
0.8
0.8
0.4
0
0
0

Wind Speed/Direction (mph)

7
8
9
8
7
6
8
10
13
13
13
13
14
13
15
17
17
17
15
12
10
8
7
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
87
88
93
95
88
80
72
69
67
64
70
76
83
87
90
96
95
93
91
93
94
96

Pressure (mb)

1011
1011
1012
1013
1013
1014
1014
1015
1015
1015
1015
1014
1014
1013
1013
1012
1012
1011
1011
1012
1012
1012
1012
1011

Ozone (du)

378
383
387
396
404
413
408
404
399
397
394
391
391
390
389
388
386
384
386
388
390
393
396
398

Thursday 9

Waning Gibbous 59%

03:16

09:59

Sun - Rise: 06:22, Set: 19:54, Transit: 13:08. Moon - Rise: 03:16, Set: 09:59. Civil Dark: 20:28 - 05:48. Nautical Dark: 21:11 - 05:05. Astro Dark: 21:58 - 04:18

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 03/04/26 02:52:10. Forecast: 03/04/26 to 09/04/26. Timezone: UTC+1.00