Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 19

New Moon 0%

06:10

19:15

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

Sun - Rise: 06:10, Set: 18:18, Transit: 12:14. Moon - Rise: 06:10, Set: 19:15. Civil Dark: 18:52 - 05:37. Nautical Dark: 19:31 - 04:57. Astro Dark: 20:12 - 04:16

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
5
1
3
3
1
5
9
0
4

Low Clouds (% Sky Obscured)

0
0
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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
5
1
3
3
1
5
9
0
4

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)

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

Chance of Frost

Temperature (°C)

7
7
6
5
4
4
3
3
6
8
10
12
13
14
15
15
15
14
12
10
9
9
8
7

Feels Like (°C)

6
5
4
4
3
3
2
2
4
6
8
10
12
13
13
12
13
14
11
8
8
6
5
4

Dew Point (°C)

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

Relative Humidity (%)

74
74
76
79
80
80
83
83
79
73
67
63
59
56
55
57
66
75
81
87
88
88
87
88

Pressure (mb)

1026
1026
1026
1026
1026
1026
1027
1027
1028
1028
1028
1027
1027
1026
1026
1025
1025
1025
1025
1026
1026
1026
1026
1026

Ozone (du)

344
343
344
342
343
341
338
338
339
339
341
342
343
345
354
363
365
365
370
375
374
374
375
377

Friday 20

Waxing Crescent 3%

06:23

20:42

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

Sun - Rise: 06:08, Set: 18:20, Transit: 12:14. Moon - Rise: 06:23, Set: 20:42. Civil Dark: 18:53 - 05:34. Nautical Dark: 19:33 - 04:55. Astro Dark: 20:14 - 04:14

Total Clouds (% Sky Obscured)

93
100
15
0
0
0
0
15
57
44
50
32
24
10
35
57
89
100
100
100
100
100
71
84

Low Clouds (% Sky Obscured)

0
0
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)

0
0
0
0
0
0
0
0
0
3
13
18
12
3
15
6
11
13
23
14
21
60
56
32

High Clouds (% Sky Obscured)

80
50
9
0
0
0
0
15
57
44
50
32
24
10
23
52
80
100
100
100
100
100
52
73

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
4
51
52
100
100
100
100
100
41
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)

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

Chance of Frost

Temperature (°C)

6
5
5
4
4
3
3
3
4
8
9
11
13
14
14
14
14
13
12
10
8
8
7
7

Feels Like (°C)

3
3
4
3
3
2
0
-0
2
5
6
8
9
11
11
12
12
11
9
7
6
5
4
5

Dew Point (°C)

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

Relative Humidity (%)

90
90
91
91
91
89
88
85
77
69
66
63
61
61
61
62
71
77
81
85
87
88
91
93

Pressure (mb)

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

Ozone (du)

379
380
379
376
375
372
370
368
370
372
372
372
373
373
372
374
375
377
377
377
378
380
385
387

Saturday 21

Waxing Crescent 9%

06:38

22:12

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

Sun - Rise: 06:05, Set: 18:22, Transit: 12:14. Moon - Rise: 06:38, Set: 22:12. Civil Dark: 18:55 - 05:32. Nautical Dark: 19:35 - 04:53. Astro Dark: 20:16 - 04:11

Total Clouds (% Sky Obscured)

100
100
100
100
15
92
47
57
53
5
31
9
13
8
2
0
0
0
1
0
0
1
3
4

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
10
0
0
0
2
6
7
0
0
0
0
0
0
0
1
3
4

Medium Clouds (% Sky Obscured)

18
10
94
82
15
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
99
100
100
15
86
47
57
53
3
31
9
13
3
2
0
0
0
1
0
0
0
0
0

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
51
52
100
48
1
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)

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

Chance of Frost

Temperature (°C)

6
6
5
5
4
4
3
4
5
8
9
11
12
13
13
13
13
12
11
9
8
6
6
5

Feels Like (°C)

4
4
2
2
1
1
2
2
3
5
7
9
10
10
11
11
11
11
10
8
7
6
5
5

Dew Point (°C)

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

Relative Humidity (%)

91
93
91
89
85
80
77
73
66
57
55
52
52
52
53
55
61
69
76
78
79
81
82
82

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1018
1018
1018
1019
1019
1019
1019
1019
1019

Ozone (du)

388
388
388
389
389
388
389
387
385
386
388
386
383
383
382
384
386
387
389
393
395
396
396
396

Sunday 22

Waxing Crescent 17%

06:57

23:44

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

Sun - Rise: 06:03, Set: 18:24, Transit: 12:13. Moon - Rise: 06:57, Set: 23:44. Civil Dark: 18:57 - 05:30. Nautical Dark: 19:37 - 04:50. Astro Dark: 20:18 - 04:09

Total Clouds (% Sky Obscured)

3
1
0
25
51
75
70
60
55
46
39
42
54
67
81
91
100
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
1
0
0
0
0
0
0
0
0
0
0
10
20
33
38
40
55
67
78
92
93
93
94

Medium Clouds (% Sky Obscured)

0
0
0
6
11
17
26
32
40
46
39
42
50
44
47
51
52
52
40
89
90
90
73
72

High Clouds (% Sky Obscured)

0
0
0
25
51
75
70
60
55
46
32
1
29
57
81
75
96
93
95
97
99
95
92
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
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
2
3
3
3
3
3
3
5
6
7
8
8
8
8
8
8
7
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
86
86
86
88
88
85
76
70
65
59
55
51
52
55
62
73
72
64
62
60
60
61

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019

Ozone (du)

396
394
394
394
396
397
399
403
406
406
407
407
407
401
396
393
386
384
382
382
382
388
386
384

Monday 23

Waxing Crescent 27%

07:24

No Set

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:01, Set: 18:25, Transit: 12:13. Moon - Rise: 07:24, Set: No Set. Civil Dark: 18:59 - 05:27. Nautical Dark: 19:38 - 04:48. Astro Dark: 20:20 - 04:06

Total Clouds (% Sky Obscured)

99
100
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)

84
68
64
58
51
40
41
41
41
45
48
52
55
58
61
67
73
79
82
86
90
89
89
89

Medium Clouds (% Sky Obscured)

75
86
93
86
98
100
99
90
95
93
89
78
84
90
96
97
99
100
100
100
100
100
99
98

High Clouds (% Sky Obscured)

86
97
100
100
100
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
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
1
0
0
1
0
0
0
0
0
5
8
10
26
32
43
43
40
32
31
36
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)

4
3
2
2
2
1
2
2
2
3
5
8
10
10
11
12
12
12
12
13
14
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
67
72
78
83
90
91
90
85
79
73
69
68
70
70
70
76
80
87
85
84
84
87
90

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

385
384
385
383
381
380
380
381
380
379
379
377
377
375
372
369
368
367
366
365
364
363
361
360

Tuesday 24

Waxing Crescent 38%

08:04

01:11

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:58, Set: 18:27, Transit: 12:13. Moon - Rise: 08:04, Set: 01:11. Civil Dark: 19:00 - 05:25. Nautical Dark: 19:40 - 04:45. Astro Dark: 20:22 - 04:03

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
100
100

Low Clouds (% Sky Obscured)

93
97
100
92
83
75
68
63
58
65
68
71
60
50
41
40
38
38
50
61
73
82
91
100

Medium Clouds (% Sky Obscured)

96
95
93
88
82
76
69
63
58
60
64
67
77
88
98
97
95
94
95
96
97
79
63
50

High Clouds (% Sky Obscured)

91
81
72
81
91
100
100
100
100
100
100
100
100
100
100
100
100
100
95
89
82
78
74
70

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 (%)

42
41
43
39
32
26
28
26
21
18
18
19
20
21
23
21
17
12
15
13
6
7
6
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)

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

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
9
9
9
9
10
10
11
11
11
11
10
10
10
10
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

7
7
7
8
8
8
8
8
8
9
9
9
10
10
10
9
9
9
8
9
9
9
9
8

Relative Humidity (%)

91
93
93
95
95
95
95
95
96
96
96
95
95
91
91
88
91
91
91
93
95
95
95
93

Pressure (mb)

1015
1015
1015
1015
1015
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013

Ozone (du)

358
357
356
355
354
354
353
353
353
353
353
353
353
354
355
355
359
362
366
371
376
381
382
383

Wednesday 25

First Quarter 50%

09:01

02:24

Sun - Rise: 05:56, Set: 18:29, Transit: 12:12. Moon - Rise: 09:01, Set: 02:24. Civil Dark: 19:02 - 05:23. Nautical Dark: 19:42 - 04:43. Astro Dark: 20:24 - 04:01

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: 19/03/26 00:29:40. Forecast: 19/03/26 to 25/03/26. Timezone: UTC+0.00