Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 15

Waning Crescent 15%

05:15

13:47

00 OK
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 OK
21 Good
22 OK
23 Bad

Sun - Rise: 06:19, Set: 18:12, Transit: 12:15. Moon - Rise: 05:15, Set: 13:47. Civil Dark: 18:45 - 05:46. Nautical Dark: 19:24 - 05:07. Astro Dark: 20:04 - 04:27

Total Clouds (% Sky Obscured)

17
36
58
93
96
90
79
89
89
89
93
100
100
100
100
100
78
83
45
60
23
0
31
100

Low Clouds (% Sky Obscured)

0
16
27
0
0
6
4
14
59
65
82
100
93
100
100
89
63
83
43
60
23
0
0
17

Medium Clouds (% Sky Obscured)

17
36
58
85
96
88
79
66
65
64
46
52
80
85
100
100
56
49
0
0
0
0
12
27

High Clouds (% Sky Obscured)

17
23
48
24
68
40
0
0
0
0
3
3
54
100
100
70
4
0
0
0
3
0
8
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
2
0
0
0
1
1
0
0
1
0
1
20
38
19
40
21
25
23
2
3
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
5
5
6
6
7
10
12
14
17
19
18
19
17
19
16
15
13
13
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
91
91
91
91
89
88
86
82
84
84
80
85
93
93
81
81
90
88
88
91
88
88

Pressure (mb)

1012
1012
1013
1013
1013
1013
1013
1013
1013
1012
1012
1011
1011
1010
1010
1009
1009
1009
1011
1011
1012
1013
1013
1014

Ozone (du)

386
384
384
378
372
364
361
358
351
344
342
343
341
340
342
345
353
363
368
369
370
371
373
371

Monday 16

Waning Crescent 8%

05:32

15:08

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: 06:17, Set: 18:13, Transit: 12:15. Moon - Rise: 05:32, Set: 15:08. Civil Dark: 18:47 - 05:44. Nautical Dark: 19:26 - 05:04. Astro Dark: 20:06 - 04:24

Total Clouds (% Sky Obscured)

100
100
95
100
94
62
71
73
89
86
93
96
99
96
95
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

40
56
39
64
41
33
43
48
64
43
58
85
71
86
88
100
100
100
100
100
100
100
97
85

Medium Clouds (% Sky Obscured)

57
56
79
82
85
62
65
53
73
47
73
79
60
48
46
42
45
27
32
49
57
26
14
18

High Clouds (% Sky Obscured)

100
48
89
96
83
34
43
25
20
25
45
77
74
71
69
49
39
26
76
1
15
21
89
96

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 (%)

1
0
0
0
2
0
0
0
1
9
17
13
29
47
32
20
11
1
0
0
2
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)

11
11
10
11
10
9
9
10
11
14
15
15
15
14
13
13
13
14
14
15
14
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
91
89
89
94
94
94
91
88
85
84
77
80
81
82
82
85
85
88
93
93
95
96

Pressure (mb)

1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1016
1016
1016
1015
1015
1015
1015
1015
1015
1016
1016
1016
1015

Ozone (du)

373
372
371
374
374
375
375
377
374
373
369
367
363
362
360
356
355
352
350
349
348
348
347
347

Tuesday 17

Waning Crescent 3%

05:46

16:29

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 OK
20 OK
21 OK
22 OK
23 OK

Sun - Rise: 06:15, Set: 18:15, Transit: 12:15. Moon - Rise: 05:46, Set: 16:29. Civil Dark: 18:48 - 05:41. Nautical Dark: 19:27 - 05:02. Astro Dark: 20:08 - 04:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
88
48
49
45
60
63
67
54
33
16
18
21
30

Low Clouds (% Sky Obscured)

87
85
88
81
85
84
75
76
66
47
45
43
46
49
43
47
53
61
45
30
14
18
21
30

Medium Clouds (% Sky Obscured)

40
25
29
24
25
89
23
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

83
89
86
98
98
100
100
100
100
100
100
88
48
1
1
1
0
1
1
1
1
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
88
87
87
87
93
96
93
87
80
74
72
68
68
71
75
83
88
93
91
93
91
90

Pressure (mb)

1015
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016

Ozone (du)

346
344
344
343
341
339
338
337
337
338
337
337
336
335
332
330
329
329
330
329
331
331
330
330

Wednesday 18

Waning Crescent 0%

05:58

17:51

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

Sun - Rise: 06:12, Set: 18:17, Transit: 12:15. Moon - Rise: 05:58, Set: 17:51. Civil Dark: 18:50 - 05:39. Nautical Dark: 19:29 - 05:00. Astro Dark: 20:10 - 04:19

Total Clouds (% Sky Obscured)

27
28
28
33
37
41
25
11
0
6
7
8
7
5
2
31
64
95
68
41
14
10
4
2

Low Clouds (% Sky Obscured)

27
28
28
33
37
41
25
11
0
3
6
8
6
3
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
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
3
3
2
2
26
54
85
65
39
14
9
4
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 (%)

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

Chance of Frost

Temperature (°C)

7
7
6
6
6
6
6
7
8
10
12
14
15
16
16
17
16
15
13
12
11
10
10
9

Feels Like (°C)

6
6
6
6
6
6
6
7
9
10
12
14
15
16
17
17
17
16
14
12
11
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

90
88
90
90
90
91
91
91
88
80
76
71
67
65
65
64
69
76
84
86
87
87
85
85

Pressure (mb)

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

Ozone (du)

329
329
328
327
327
327
327
326
326
324
324
325
326
325
325
326
325
324
326
330
332
333
334
335

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

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)

2
1
1
1
0
0
0
0
0
0
2
3
2
4
6
4
2
0
6
6
12
28
40
48

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
0
0
0
0
0
0
11
22
35

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
1
1
1

High Clouds (% Sky Obscured)

2
1
1
1
0
0
0
0
0
0
0
0
2
3
4
3
2
0
6
6
12
28
21
22

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
87
90
90
90
90
88
85
83
80
78
80
82
84
86
88
91
88
87
82
87
90

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1023
1023
1024
1024
1024

Ozone (du)

336
337
337
338
340
341
343
345
346
345
344
352
366
369
371
374
375
376
378
381
384
387
388
389

Friday 20

Waxing Crescent 3%

06:23

20:42

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: 06:08, 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)

58
69
80
86
93
100
100
100
100
93
88
82
90
93
100
97
96
94
92
89
90
95
95
95

Low Clouds (% Sky Obscured)

49
63
76
83
92
100
99
98
98
82
69
56
58
60
59
60
60
57
56
55
53
52
50
48

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
2
4
9
7
7
4
8
11
13
17
20
23
19
18
15
15
20
25

High Clouds (% Sky Obscured)

19
13
10
27
44
61
44
23
10
15
15
20
46
73
100
97
96
92
84
74
61
61
60
60

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
2
2
1
2
2
2
2
2
2
2
2
2
2
3
3
2
2
1
1
1

Relative Humidity (%)

91
91
91
91
89
85
82
82
80
80
75
72
69
66
66
65
70
75
81
80
82
85
88
89

Pressure (mb)

1024
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1021
1020
1020
1019
1018
1018
1018
1018
1017
1017
1017
1016
1016

Ozone (du)

391
388
386
383
383
382
382
381
380
380
379
379
378
378
378
377
377
376
375
377
379
381
385
388

Saturday 21

Waxing Crescent 9%

06:38

22:12

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)

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: 15/03/26 00:38:46. Forecast: 15/03/26 to 21/03/26. Timezone: UTC+0.00