Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 2

Full Moon 99%

20:37

06:28

02 Bad
03 Bad
04 Bad
05 Bad
06 OK
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: 06:38, Set: 19:42, Transit: 13:10. Moon - Rise: 20:37, Set: 06:28. Civil Dark: 20:16 - 06:04. Nautical Dark: 20:57 - 05:23. Astro Dark: 21:42 - 04:38

Total Clouds (% Sky Obscured)

100
83
73
53
42
68
58
60
62
56
66
82
65
75
70
82
71
100
98
93
98
99
98
100

Low Clouds (% Sky Obscured)

61
45
56
53
42
68
58
60
62
56
66
82
65
75
62
62
46
0
54
67
34
60
49
45

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
0
0
0
0
0
1
19
20
30
31
80
77
69
48
98
97

High Clouds (% Sky Obscured)

0
0
0
0
3
0
2
4
3
10
17
19
13
7
70
82
71
100
91
78
97
38
52
50

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
2
2
2
0
0
0
0
0
0
0
0
0
0
0
1
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
6
5
4
4
3
3
3
3
2
3
2
3
3
3
4
5
6
5
4
4
4
4
3

Relative Humidity (%)

85
93
96
96
96
96
94
86
78
70
67
63
62
61
59
63
71
81
85
82
85
86
88
81

Pressure (mb)

1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1022
1022
1021
1021
1020
1019
1019
1019
1019
1019
1018
1017
1017

Ozone (du)

362
368
372
374
378
379
379
379
377
379
381
382
381
380
380
380
378
377
379
379
378
379
379
378

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
99
100
100
100
100
100
97
100
96
100
100
100
77
96
90
89
72
58
79
87
86
67

Low Clouds (% Sky Obscured)

54
91
94
100
92
100
100
89
93
100
82
70
78
54
64
50
48
52
72
58
68
51
65
52

Medium Clouds (% Sky Obscured)

80
58
52
58
50
89
96
83
32
23
50
35
79
84
62
5
3
2
2
2
41
37
25
16

High Clouds (% Sky Obscured)

36
39
88
56
95
92
97
100
42
68
74
100
100
100
27
89
76
68
10
13
13
20
20
20

ISS Passover

Visibility (miles)

9
9
9
9
9
1
0
9
9
9
9
9
9
9
8
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 (%)

10
32
40
34
28
30
19
18
5
17
9
24
25
26
25
21
22
4
4
2
14
4
2
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
14
16
16
16
15
15
16
17
19
19
20
20
20
21
20
18
16
15
14
13
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
4
5
6
7
9
9
10
11
12
12
12
13
12
12
10
9
8
8
6
6
6
7

Relative Humidity (%)

75
75
84
90
93
96
98
96
95
95
95
93
93
93
92
95
93
93
90
95
85
82
90
93

Pressure (mb)

1016
1015
1014
1013
1012
1011
1011
1011
1011
1011
1011
1011
1010
1011
1011
1011
1012
1012
1013
1014
1015
1015
1016
1016

Ozone (du)

377
376
377
376
374
373
375
375
376
375
375
376
376
378
376
375
375
376
375
374
373
373
372
373

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 OK
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)

71
74
94
100
100
99
92
98
100
97
34
48
79
100
97
79
81
93
94
92
95
97
99
95

Low Clouds (% Sky Obscured)

52
65
78
100
100
97
89
97
81
91
34
48
60
60
60
65
70
64
86
83
82
80
78
76

Medium Clouds (% Sky Obscured)

15
24
70
24
25
53
66
50
8
8
13
17
42
28
14
22
15
18
19
19
21
34
47
40

High Clouds (% Sky Obscured)

15
3
1
1
0
0
0
31
86
24
12
0
1
15
12
1
58
50
29
22
23
16
27
37

ISS Passover

Visibility (miles)

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

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
1
1
7
1
2
19
5
5
4
1
3
0
0
0
2
6
6
6
21
19
35
53
41

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
6
5
6
7
11
13
17
18
18
22
21
22
22
24
22
22
23
24
24
23
23
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
96
96
91
95
98
98
90
87
84
70
69
71
70
69
68
73
83
80
78
78
81
85

Pressure (mb)

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

Ozone (du)

374
372
372
372
372
374
375
375
374
371
370
369
367
366
363
363
364
364
363
366
369
371
372
376

Sunday 5

Waning Gibbous 91%

00:21

07:13

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

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)

76
76
80
94
90
83
70
29
56
76
80
64
44
16
38
61
90
81
76
66
62
53
47
48

Low Clouds (% Sky Obscured)

74
76
76
72
67
57
46
29
29
28
25
20
30
16
13
4
3
5
9
13
8
4
0
1

Medium Clouds (% Sky Obscured)

31
21
30
32
62
29
31
0
11
22
39
26
12
0
0
0
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

51
64
55
51
39
32
16
3
4
5
14
14
13
1
38
51
80
73
70
55
54
50
46
46

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 (%)

31
3
7
3
0
6
10
6
11
8
3
3
3
2
8
5
2
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)

20
20
20
20
19
18
18
18
18
19
19
19
19
18
17
15
13
10
7
5
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
4
2
1
0
1
2
2
3
1
1
1
0
1
2
2
2
2
1
1
0
0
0
0

Relative Humidity (%)

81
78
75
70
67
71
74
71
71
63
59
56
52
56
57
61
63
66
70
75
77
79
80
82

Pressure (mb)

1008
1009
1010
1011
1012
1013
1015
1016
1017
1018
1019
1019
1020
1021
1021
1021
1022
1023
1023
1024
1025
1025
1025
1025

Ozone (du)

375
379
383
383
385
387
389
389
390
392
393
393
392
390
390
388
392
388
383
381
379
376
373
371

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 Good
18 Good
19 Good
20 Good
21 Good
22 OK
23 Bad
00 Bad
01 Bad

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)

39
47
60
80
100
100
100
100
87
74
59
52
45
38
25
13
0
1
1
2
31
59
96
96

Low Clouds (% Sky Obscured)

2
3
18
35
49
58
65
72
66
61
55
49
43
37
25
13
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
4
26
45
65
70
65
65
45
22
3
2
1
1
3
5
0
1
1
2
10
5
0
8

High Clouds (% Sky Obscured)

34
47
60
80
100
99
100
97
76
57
23
18
12
10
11
8
0
1
1
2
27
56
83
87

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
1
0
1
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)

4
4
5
6
8
9
10
12
13
15
15
15
16
16
16
15
14
13
12
11
10
10
10
11

Chance of Frost

Temperature (°C)

3
3
3
3
4
4
5
7
8
10
11
12
13
13
13
13
12
12
11
11
10
10
10
10

Feels Like (°C)

1
2
0
1
1
1
2
2
3
5
6
8
8
8
9
9
10
10
8
9
9
8
8
7

Dew Point (°C)

0
1
1
1
1
2
2
2
3
4
5
6
6
7
7
8
8
8
9
8
8
8
8
8

Relative Humidity (%)

82
85
83
85
85
86
80
70
70
68
64
64
64
66
66
71
76
80
83
84
87
87
88
88

Pressure (mb)

1025
1024
1024
1024
1023
1023
1023
1023
1023
1022
1021
1021
1020
1019
1018
1018
1017
1017
1017
1016
1016
1015
1015
1014

Ozone (du)

371
369
366
364
363
363
363
363
363
363
364
364
364
364
364
363
363
363
363
362
362
362
361
361

Tuesday 7

Waning Gibbous 77%

No Rise

08:13

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 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)

95
95
100
100
98
94
92
91
95
98
100
100
100
100
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

0
0
11
24
36
49
59
69
60
57
55
63
72
82
82
82
83
85
86
88
74
60
46
34

Medium Clouds (% Sky Obscured)

17
30
24
24
23
36
58
79
86
92
100
82
67
57
58
63
68
62
59
55
45
39
34
32

High Clouds (% Sky Obscured)

91
90
92
94
96
68
36
10
40
68
100
100
100
100
71
42
28
32
36
40
39
39
38
36

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
1
4
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
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
3
8
16
52
65
72
70
70
64
47
44
59
63
72
95
95
95
87
78
60
24
16

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.4
0.3
0.4
0.4
0
0
0.3
0.3
0.3
1.1
0.8
0.7
0.5
0.4
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
90
90
91
90
90
90
89
90
92
92
92
93
92
93
95
98
96
98
96
98
96
96

Pressure (mb)

1013
1012
1011
1011
1010
1009
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1009
1010
1010
1011
1011

Ozone (du)

361
362
362
363
363
364
364
364
364
364
365
365
365
365
365
366
367
368
370
373
375
375
376
376

Wednesday 8

Waning Gibbous 69%

02:29

09:00

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)

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: 02/04/26 02:13:33. Forecast: 02/04/26 to 08/04/26. Timezone: UTC+1.00