Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 1

Waxing Gibbous 100%

19:21

06:17

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
00 Bad

Sun - Rise: 06:40, Set: 19:40, Transit: 13:10. Moon - Rise: 19:21, Set: 06:17. Civil Dark: 20:14 - 06:06. Nautical Dark: 20:55 - 05:25. Astro Dark: 21:39 - 04:41

Total Clouds (% Sky Obscured)

68
66
72
92
95
94
91
93
99
94
87
69
75
100
96
72
100
93
72
100
98
100
98
48

Low Clouds (% Sky Obscured)

62
66
72
92
90
93
84
90
94
91
85
69
74
100
81
68
100
92
58
79
98
94
91
48

Medium Clouds (% Sky Obscured)

0
0
0
0
7
1
14
4
49
2
0
0
0
1
50
0
30
19
24
62
52
90
77
48

High Clouds (% Sky Obscured)

0
0
0
0
0
0
3
2
39
21
67
56
33
3
15
8
11
38
21
63
37
98
86
48

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
3
5
6
4
5
14
7
2
0
0
12
25
22
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
91
91
91
93
91
90
84
76
69
71
71
72
75
77
81
84
84
85
93
93
93
96

Pressure (mb)

1029
1029
1028
1028
1028
1027
1027
1027
1027
1026
1026
1025
1025
1024
1023
1022
1022
1022
1022
1022
1022
1021
1021
1021

Ozone (du)

331
330
330
331
330
327
328
330
329
328
330
335
336
332
332
331
331
334
335
336
337
338
342
347

Thursday 2

Full Moon 100%

20:37

06:28

01 OK
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

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)

27
39
42
49
48
67
61
75
63
67
87
89
81
77
79
99
100
100
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

27
39
42
49
48
67
55
62
55
67
62
66
61
62
60
60
55
27
59
6
27
33
48
61

Medium Clouds (% Sky Obscured)

27
2
0
0
0
2
7
24
9
0
0
23
24
15
22
62
86
100
99
89
97
98
100
97

High Clouds (% Sky Obscured)

27
39
0
0
0
0
3
1
1
1
40
20
11
7
42
72
100
100
65
100
100
100
100
100

ISS Passover

Visibility (miles)

9
2
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
2
7
12
5
8
19
28

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
5
3
3
3
3
2
2
2
2
2
2
2
2
2
2
3
5
5
4
3
2
2
2

Relative Humidity (%)

98
94
88
93
94
94
94
91
82
75
69
64
61
59
58
59
62
72
78
82
79
75
75
75

Pressure (mb)

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

Ozone (du)

356
361
365
369
371
372
375
376
375
373
372
372
373
372
372
372
373
375
377
379
380
379
379
380

Friday 3

Waning Gibbous 99%

21:52

06:40

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
00 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)

99
99
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
47
53
66
77
86
93
100

Low Clouds (% Sky Obscured)

80
74
100
100
100
100
100
92
86
99
98
92
100
91
87
77
60
47
53
63
69
79
89
100

Medium Clouds (% Sky Obscured)

91
76
26
22
27
23
28
42
50
22
24
95
95
86
83
24
34
0
2
4
4
10
18
29

High Clouds (% Sky Obscured)

48
72
95
87
78
91
86
100
100
100
86
100
100
100
100
100
100
1
4
0
0
1
1
15

ISS Passover

Visibility (miles)

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

28
30
21
10
15
22
25
27
25
3
15
20
17
7
1
1
3
2
5
6
3
11
2
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
11
11
13
14
14
14
14
14
15
16
16
17
16
17
17
17
17
16
15
14
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
81
84
84
90
93
95
98
98
96
95
92
92
95
96
93
93
93
90
90
90
91
91

Pressure (mb)

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

Ozone (du)

380
381
381
380
380
380
378
378
378
378
377
378
379
380
381
379
378
378
378
378
379
379
379
380

Saturday 4

Waning Gibbous 96%

23:08

06:55

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
00 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)

97
94
90
91
91
92
95
98
100
53
59
98
60
67
71
74
73
73
82
91
99
82
65
50

Low Clouds (% Sky Obscured)

93
85
76
73
69
66
77
86
84
53
59
70
60
57
55
54
49
47
61
72
91
79
62
47

Medium Clouds (% Sky Obscured)

32
77
14
16
17
70
52
33
28
22
21
18
19
19
22
26
25
25
30
27
38
82
39
2

High Clouds (% Sky Obscured)

10
10
10
26
42
60
43
23
7
1
2
14
1
2
3
7
10
26
48
74
97
66
43
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
6
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

3
4
4
4
4
1
2
2
0
0
2
3
4
6
7
10
9
9
9
9
17
45
54
60

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
0.2
0.3

Wind Speed/Direction (mph)

9
11
12
14
14
14
14
16
18
19
20
21
21
22
23
24
24
25
26
25
26
27
27
25

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
11
11
12
12
12
12
13
12
12
12
11
10
10
10
8

Feels Like (°C)

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

Dew Point (°C)

8
9
9
9
9
9
9
8
8
8
7
6
6
7
7
8
8
8
7
6
7
7
7
2

Relative Humidity (%)

91
91
95
96
96
93
96
90
85
83
73
67
67
67
71
74
73
75
75
71
78
81
84
64

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1012
1011
1010
1009
1008
1007
1006
1005
1005
1004
1004
1005

Ozone (du)

377
376
376
375
373
372
371
370
367
363
364
362
361
362
362
360
358
359
360
363
365
370
370
373

Sunday 5

Waning Gibbous 91%

00:21

07:13

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
00 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)

67
83
100
84
67
51
51
51
50
60
69
82
77
70
64
68
71
74
70
68
64
64
66
71

Low Clouds (% Sky Obscured)

37
41
48
31
14
5
16
33
49
47
45
43
29
14
5
23
47
70
57
44
31
21
10
0

Medium Clouds (% Sky Obscured)

2
4
6
25
21
25
17
8
0
15
28
42
30
22
21
21
21
13
5
1
0
0
0
0

High Clouds (% Sky Obscured)

43
72
100
77
40
17
11
4
1
0
1
2
11
20
37
42
37
23
25
25
28
45
56
64

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 (%)

33
18
2
4
11
12
4
21
23
6
6
12
14
13
10
12
13
12
12
12
10
8
5
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)

25
22
19
19
16
13
12
13
16
18
19
18
17
17
16
15
13
10
8
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
60
72
71
78
80
76
80
82
81
73
61
56
57
57
57
62
66
71
75
80
85
86
89

Pressure (mb)

1005
1007
1009
1010
1012
1013
1014
1015
1017
1018
1019
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023

Ozone (du)

378
378
378
378
377
378
381
378
379
381
382
383
385
386
387
388
386
383
381
379
377
376
374
372

Monday 6

Waning Gibbous 85%

No Rise

07:38

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
00 Bad

Sun - Rise: 06:29, Set: 19:49, Transit: 13:09. Moon - Rise: No Rise, 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)

61
52
42
56
72
88
91
95
100
95
91
86
75
70
62
68
79
86
91
94
98
99
99
99

Low Clouds (% Sky Obscured)

13
24
34
40
49
56
66
75
84
80
74
68
66
62
55
62
69
72
67
61
56
52
48
43

Medium Clouds (% Sky Obscured)

0
0
0
6
11
17
11
13
19
18
21
19
16
16
18
20
25
30
22
19
15
14
18
21

High Clouds (% Sky Obscured)

49
29
9
10
12
13
32
52
69
49
26
4
3
2
1
2
1
1
32
61
90
91
92
94

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
5
8
11
13
12
9
0
6
11
11
13
14
8
7
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
1
2
1
1
0
-1
3
3
2
3
3
3
8
7
8
8
8
8
8
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
94
91
86
82
81
78
74
72
69
67
70
72
76
78
82
84
87
90
93
90
85

Pressure (mb)

1023
1022
1022
1021
1020
1020
1019
1018
1018
1018
1017
1016
1015
1014
1013
1012
1011
1010
1009
1009
1009
1009
1008
1008

Ozone (du)

371
371
370
370
369
368
366
366
366
365
365
365
365
366
367
367
368
368
369
369
368
368
368
367

Tuesday 7

Waning Gibbous 77%

01:30

08:13

Sun - Rise: 06:27, Set: 19:50, Transit: 13:09. Moon - Rise: 01:30, 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)

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: 01/04/26 01:07:05. Forecast: 01/04/26 to 07/04/26. Timezone: UTC+1.00