Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 29

Waxing Gibbous 90%

15:29

05:41

04 Good
05 Good
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
02 OK
03 OK

Sun - Rise: 06:47, Set: 19:35, Transit: 13:11. Moon - Rise: 15:29, Set: 05:41. Civil Dark: 20:09 - 06:13. Nautical Dark: 20:50 - 05:33. Astro Dark: 21:33 - 04:47

Total Clouds (% Sky Obscured)

0
0
21
100
100
100
100
100
100
100
100
100
100
100
100
95
83
81
85
56
44
62
35
27

Low Clouds (% Sky Obscured)

0
0
1
4
7
48
40
69
65
81
71
87
90
100
100
63
69
66
32
51
36
6
16
24

Medium Clouds (% Sky Obscured)

0
0
21
57
74
92
77
95
90
100
100
100
86
67
67
64
53
29
2
1
2
2
0
0

High Clouds (% Sky Obscured)

0
0
21
100
64
100
100
100
100
100
100
100
100
98
88
39
26
73
85
56
44
24
11
27

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
0
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
1
19
21
21
16
33
25
6
3
1
11
4
2
2
1
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)

4
4
3
5
6
8
11
13
17
18
19
20
21
21
22
21
19
19
17
14
13
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
91
86
82
81
84
77
78
77
78
80
84
88
93
95
96
93
88
94
91
93
94

Pressure (mb)

1032
1032
1032
1032
1032
1031
1031
1031
1030
1029
1028
1027
1025
1024
1024
1023
1023
1023
1023
1023
1024
1024
1024
1024

Ozone (du)

379
379
375
373
371
369
368
364
362
359
357
354
352
348
345
340
338
332
331
329
326
324
323
323

Monday 30

Waxing Gibbous 95%

16:49

05:55

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
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
02 Bad
03 Bad

Sun - Rise: 06:45, Set: 19:37, Transit: 13:11. Moon - Rise: 16:49, Set: 05:55. Civil Dark: 20:11 - 06:11. Nautical Dark: 20:51 - 05:30. Astro Dark: 21:35 - 04:47

Total Clouds (% Sky Obscured)

51
74
75
60
60
40
54
81
65
50
70
58
65
61
52
71
71
86
88
83
100
100
100
98

Low Clouds (% Sky Obscured)

39
47
53
35
47
34
54
81
65
50
70
58
65
61
52
71
53
75
53
69
100
100
100
96

Medium Clouds (% Sky Obscured)

9
23
20
21
16
5
0
0
0
0
0
0
0
0
0
0
21
17
39
35
17
33
42
44

High Clouds (% Sky Obscured)

51
19
41
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

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
1
16
19
6
20
15
6
18
1
0
2
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
1
1
2
3
3
4
5
5
6
6
6
6
6
7
6
6
6
5
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

94
96
94
96
91
85
74
70
73
69
72
70
68
73
74
78
84
88
91
93
96
94
94
94

Pressure (mb)

1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1028
1029
1029
1030
1030
1030
1030
1030
1030

Ozone (du)

325
322
321
323
322
322
320
320
318
317
315
314
312
310
309
308
309
313
313
313
313
315
316
316

Tuesday 31

Waxing Gibbous 99%

18:06

06:06

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 OK
00 OK
01 OK
02 Bad
03 Bad

Sun - Rise: 06:43, Set: 19:39, Transit: 13:11. Moon - Rise: 18:06, Set: 06:06. Civil Dark: 20:13 - 06:09. Nautical Dark: 20:53 - 05:28. Astro Dark: 21:37 - 04:44

Total Clouds (% Sky Obscured)

100
91
87
90
95
75
71
69
82
73
84
73
81
69
84
72
52
49
30
29
33
30
40
48

Low Clouds (% Sky Obscured)

79
53
76
78
60
44
59
58
71
58
66
69
76
63
78
65
48
49
30
29
33
26
37
48

Medium Clouds (% Sky Obscured)

43
33
15
21
22
13
5
3
6
11
7
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
10
2
1
0
0
0
0
0
0
0
0
0
0
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
8
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 (%)

1
0
0
0
1
0
1
3
22
36
32
25
16
10
17
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
91
93
93
93
89
84
79
76
78
79
73
78
83
81
77
72
72
77
88
90
91

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028

Ozone (du)

315
316
318
320
324
329
328
321
319
319
318
318
320
321
319
321
322
322
324
326
325
325
324
323

Wednesday 1

Waxing Gibbous 100%

19:21

06:17

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
02 Bad
03 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)

50
51
58
56
83
91
88
81
63
69
61
56
89
95
100
100
100
100
85
69
54
56
59
61

Low Clouds (% Sky Obscured)

50
51
58
56
72
70
70
68
63
67
61
56
55
47
71
79
87
94
81
67
36
40
43
45

Medium Clouds (% Sky Obscured)

4
4
3
9
19
28
21
9
0
0
0
12
45
45
2
22
42
67
52
31
11
11
8
14

High Clouds (% Sky Obscured)

1
1
1
0
6
7
1
0
0
1
0
1
35
64
93
72
43
2
5
19
15
13
17
16

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
3
6
2
3
1
2
2
0
1
7
17
18
17
17
8
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
91
90
88
82
78
71
72
67
68
71
71
77
81
85
90
93
96
82
82
88
88
86

Pressure (mb)

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

Ozone (du)

324
324
326
328
330
331
332
332
333
334
335
338
336
332
328
327
328
331
334
339
344
349
357
360

Thursday 2

Full Moon 99%

20:37

06:28

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
02 Bad
03 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)

75
88
100
100
96
99
100
100
100
97
98
97
98
99
100
95
87
78
74
74
76
82
88
93

Low Clouds (% Sky Obscured)

45
50
57
64
68
73
75
79
79
69
57
45
57
70
83
74
67
59
65
70
76
70
64
59

Medium Clouds (% Sky Obscured)

62
42
55
70
70
65
70
93
99
79
84
86
96
98
99
94
87
78
70
55
40
55
73
93

High Clouds (% Sky Obscured)

47
75
98
85
86
91
100
100
100
47
57
25
20
20
20
37
11
1
2
4
5
4
2
1

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
4
18
6
12
12
7
14
15
17
14
14
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
88
77
71
69
68
67
64
62
60
59
60
64
73
79
82
85
88
91
93
93
91
88

Pressure (mb)

1021
1020
1020
1020
1020
1020
1020
1019
1018
1018
1017
1016
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012

Ozone (du)

363
364
367
368
370
373
377
380
382
385
389
394
400
404
408
411
411
412
412
412
411
410
411
411

Friday 3

Waning Gibbous 96%

21:52

06:40

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
02 Bad
03 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)

93
93
93
94
96
97
94
91
88
90
93
94
94
93
92
93
94
91
92
94
100
100
99
99

Low Clouds (% Sky Obscured)

67
75
83
76
69
61
61
67
75
82
86
91
82
72
64
69
73
76
80
89
100
99
99
98

Medium Clouds (% Sky Obscured)

81
70
57
53
46
43
52
62
71
75
79
76
87
90
92
93
92
90
92
94
98
75
51
28

High Clouds (% Sky Obscured)

3
10
14
11
6
3
6
4
0
0
0
0
0
0
10
35
40
40
45
36
36
31
21
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
4
1
2
3
4
2
1
0
3
6
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

10
7
5
9
9
8
7
9
11
36
54
70
76
82
93
94
91
87
69
52
45
39
31
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.5
0.6
0.7
0.6
0.6
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
4
3
4
5
6
8
10
12
13
14
15
15
15
17
16
14
12
12
12
13
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
89
93
83
75
67
72
78
83
88
91
96
96
96
96
96
98
96
95
91
88
87
87

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1010
1009
1008
1007
1006
1006
1005
1005
1004
1004
1004
1003
1004
1004

Ozone (du)

411
412
413
414
412
410
408
408
409
410
410
409
409
407
404
401
402
403
403
402
400
399
399
399

Saturday 4

Waning Gibbous 91%

23:08

06:55

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)

94
90
87
91
94
96
97
98
98
96
92
87
68
48
30
52
75
97
98
99
99

Low Clouds (% Sky Obscured)

93
88
83
81
79
80
79
79
80
82
84
85
63
41
21
23
21
23
49
72
94

Medium Clouds (% Sky Obscured)

40
52
68
77
86
93
84
79
75
73
72
71
50
30
8
32
54
76
87
89
95

High Clouds (% Sky Obscured)

10
10
25
46
65
80
68
57
44
27
16
7
5
3
1
1
0
0
6
10
15

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

16
15
3
10
11
14
41
63
88
95
95
91
64
47
46
39
30
15
42
64
88

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.7
0.9
0.9
0.8
0.4
0
0
0
0
0
0
0.3
0.7

Wind Speed/Direction (mph)

10
10
8
8
8
8
9
10
11
11
13
15
17
16
16
16
14
13
12
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
83
82
79
79
81
79
85
91
96
93
88
84
85
86
86
86
88
89
93
94

Pressure (mb)

1004
1004
1005
1005
1005
1006
1006
1006
1006
1005
1006
1006
1006
1006
1007
1007
1007
1007
1008
1008
1008

Ozone (du)

400
401
402
404
407
410
413
414
415
416
418
419
421
423
426
429
433
438
442
445
447

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

Generated: 29/03/26 04:00:16. Forecast: 29/03/26 to 04/04/26. Timezone: UTC+1.00