Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 22

Waxing Crescent 27%

07:24

23:44

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 06:01, Set: 18:24, Transit: 12:13. Moon - Rise: 07:24, Set: 23:44. Civil Dark: 18:57 - 05:27. Nautical Dark: 19:37 - 04:48. Astro Dark: 20:18 - 04:06

Total Clouds (% Sky Obscured)

100
100
100
98
88
72
68
71
100
100
100
100
100
99
100
100
98
99
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

47
80
53
0
40
60
68
66
61
52
69
52
55
45
58
58
69
80
59
70
69
79
62
31

Medium Clouds (% Sky Obscured)

94
100
100
91
78
36
0
6
0
0
0
0
0
1
12
11
9
30
49
37
53
83
100
100

High Clouds (% Sky Obscured)

100
100
96
98
43
53
0
0
100
100
100
100
100
99
100
100
97
97
96
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

34
49
23
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
1
2
0

Precipitation Amount (mm)

0
0.3
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
4
5
7
6
6
6
5
5
5
5
4
4
4
5
5
5
3
3
4
5
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
77
84
88
91
94
98
94
93
91
93
96
96
94
90
84
78
76
73
73
72
74
80
81

Pressure (mb)

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

Ozone (du)

363
367
377
383
388
391
391
389
381
376
371
369
365
364
363
363
362
360
357
357
356
355
354
353

Monday 23

Waxing Crescent 38%

08:04

01:11

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 05:58, Set: 18:25, Transit: 12:13. Moon - Rise: 08:04, Set: 01:11. Civil Dark: 18:59 - 05:25. Nautical Dark: 19:38 - 04:45. Astro Dark: 20:20 - 04:03

Total Clouds (% Sky Obscured)

100
100
100
100
70
81
100
100
100
100
99
95
100
100
100
100
100
100
100
100
100
100
90
87

Low Clouds (% Sky Obscured)

51
53
37
0
5
0
0
31
48
51
58
49
42
42
83
100
100
100
76
82
82
75
77
59

Medium Clouds (% Sky Obscured)

100
95
84
82
70
79
100
100
40
42
41
54
74
81
100
85
98
100
100
91
95
43
27
23

High Clouds (% Sky Obscured)

100
100
100
100
59
33
100
100
100
100
97
83
100
100
100
100
100
100
100
100
91
86
1
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
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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
18
21
20
20
26
64

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
0.3

Wind Speed/Direction (mph)

6
5
6
7
7
7
7
8
9
9
10
10
10
11
13
14
15
16
17
18
19
21
21
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
8
8
8
8
8
7
7
7
6
6
6
6
6
7
8
8
9
9
10
10
10
10
9

Relative Humidity (%)

86
87
87
90
95
95
95
93
93
91
93
94
93
91
90
88
85
85
86
86
83
81
81
81

Pressure (mb)

1021
1022
1021
1022
1021
1021
1021
1021
1020
1019
1019
1019
1019
1018
1018
1018
1017
1017
1016
1015
1013
1012
1011
1010

Ozone (du)

351
351
350
348
347
346
345
343
342
341
340
339
340
339
339
341
341
342
342
341
344
348
358
359

Tuesday 24

Waxing Crescent 35%

09:01

02:24

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

Sun - Rise: 05:56, Set: 18:27, Transit: 12:12. Moon - Rise: 09:01, Set: 02:24. Civil Dark: 19:00 - 05:23. Nautical Dark: 19:40 - 04:43. Astro Dark: 20:22 - 04:01

Total Clouds (% Sky Obscured)

91
100
97
100
87
65
74
79
73
54
82
62
27
40
43
76
92
100
91
83
73
58
33
31

Low Clouds (% Sky Obscured)

82
100
91
100
38
65
74
76
71
54
65
31
27
40
41
28
49
58
49
39
26
26
22
31

Medium Clouds (% Sky Obscured)

82
10
23
20
16
0
0
4
16
23
28
55
0
0
1
28
30
35
31
23
16
12
7
4

High 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

ISS Passover

Visibility (miles)

5
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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

Precipitation Probability (%)

89
43
47
81
59
7
2
19
12
10
17
2
0
0
0
17
28
28
24
44
35
23
12
15

Precipitation Amount (mm)

0.8
0
0
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

21
23
22
23
24
22
23
23
21
21
22
20
20
20
22
22
23
23
22
22
22
18
18
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
91
85
87
88
88
86
85
82
82
80
79
76
75
71
64
60
57
55
77
84
66
63

Pressure (mb)

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

Ozone (du)

361
366
374
379
384
383
387
393
402
417
424
423
422
424
423
423
424
425
419
414
407
400
383
373

Wednesday 25

First Quarter 50%

10:15

03:20

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

Sun - Rise: 05:54, Set: 18:29, Transit: 12:12. Moon - Rise: 10:15, Set: 03:20. Civil Dark: 19:02 - 05:20. Nautical Dark: 19:42 - 04:40. Astro Dark: 20:24 - 03:58

Total Clouds (% Sky Obscured)

36
19
6
13
19
37
33
37
40
35
28
26
39
68
84
88
87
83
86
89
92
93
94
96

Low Clouds (% Sky Obscured)

26
13
0
10
19
29
29
28
26
26
25
24
18
14
10
19
28
52
55
61
67
68
66
62

Medium Clouds (% Sky Obscured)

22
5
3
3
3
3
0
0
0
0
0
2
9
16
24
29
33
36
34
29
28
35
67
83

High Clouds (% Sky Obscured)

0
1
1
0
1
8
11
22
33
22
11
1
29
62
81
64
58
36
33
34
40
43
50
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 (%)

20
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
13
10
4
5
10
10
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
13
11
11
11
11
11
11
11
11
10
10
9
10
11
12
12
12
12
11
11
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
80
82
85
86
85
85
85
88
88
88
89
89
83
77
70
64
59
56
59
56
59
65
71

Pressure (mb)

1017
1018
1019
1020
1020
1021
1021
1022
1022
1022
1023
1023
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024

Ozone (du)

368
366
364
365
364
363
360
356
351
344
339
333
328
326
325
325
322
319
317
317
315
314
315
315

Thursday 26

Waxing Gibbous 61%

11:39

03:57

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 05:52, Set: 18:30, Transit: 12:12. Moon - Rise: 11:39, Set: 03:57. Civil Dark: 19:04 - 05:18. Nautical Dark: 19:44 - 04:38. Astro Dark: 20:26 - 03:55

Total Clouds (% Sky Obscured)

92
88
84
88
93
99
99
100
100
100
100
100
97
98
99
99
99
99
98
97
96
94
91
88

Low Clouds (% Sky Obscured)

52
46
44
52
50
54
55
58
62
69
75
82
60
60
60
68
76
83
85
88
90
89
87
85

Medium Clouds (% Sky Obscured)

77
75
75
77
89
87
98
99
100
92
100
99
73
51
29
43
59
73
65
58
50
41
35
23

High Clouds (% Sky Obscured)

52
43
45
40
25
31
58
79
100
100
100
99
36
12
4
27
50
74
52
30
11
21
46
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
8
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 (%)

3
3
3
5
7
2
7
16
4
3
3
2
9
9
3
14
19
22
29
35
39
37
29
19

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
3
2
1
2
2
1
1
1
2
2
3
3
4
4
4
5
5
5
8
8
9
8
8

Dew Point (°C)

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

Relative Humidity (%)

79
82
86
86
82
83
86
88
90
91
93
93
94
93
91
91
93
95
96
93
91
88
88
88

Pressure (mb)

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

Ozone (du)

315
315
318
317
317
318
318
320
322
324
324
324
325
324
323
322
321
321
320
322
324
326
329
331

Friday 27

Waxing Gibbous 72%

13:05

04:23

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 Good
03 OK
04 OK
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

Sun - Rise: 05:49, Set: 18:32, Transit: 12:12. Moon - Rise: 13:05, Set: 04:23. Civil Dark: 19:06 - 05:16. Nautical Dark: 19:46 - 04:35. Astro Dark: 20:29 - 03:52

Total Clouds (% Sky Obscured)

85
81
78
83
87
88
61
32
11
30
47
66
57
63
60
54
48
59
55
50
44
40
37
32

Low Clouds (% Sky Obscured)

80
73
67
64
62
58
34
17
0
12
27
40
29
19
5
19
35
53
46
38
31
32
33
32

Medium Clouds (% Sky Obscured)

21
19
23
18
13
8
8
7
6
11
19
22
22
27
34
46
48
59
45
24
3
9
14
20

High Clouds (% Sky Obscured)

30
14
6
4
1
0
0
0
0
30
47
66
57
49
40
44
34
33
19
6
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
8
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 (%)

20
15
13
16
13
1
1
1
0
0
0
0
0
0
0
15
23
30
32
35
38
33
29
26

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
82
81
80
82
83
85
86
86
86
88
88
86
85
84
77
69
64
63
63
64
65
67

Pressure (mb)

1023
1024
1024
1025
1025
1025
1025
1026
1026
1026
1026
1026
1027
1027
1027
1028
1028
1027
1027
1027
1027
1027
1028
1029

Ozone (du)

334
338
341
345
345
345
345
345
346
346
348
351
354
359
365
371
383
395
406
416
426
436
428
421

Saturday 28

Waxing Gibbous 82%

15:29

05:41

18 OK
19 OK
20 Good
21 Good
22 Good
23 Good
00 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:47, Set: 18:34, Transit: 13:11. Moon - Rise: 15:29, Set: 05:41. Civil Dark: 19:07 - 06:13. Nautical Dark: 19:48 - 05:33. Astro Dark: 20:31 - 04:50

Total Clouds (% Sky Obscured)

21
11
2
3
4
4
24
44
67
71
74
78
85
92
100
100
100
100

Low Clouds (% Sky Obscured)

21
11
0
1
1
1
2
7
10
11
8
3
4
5
6
32
57
83

Medium Clouds (% Sky Obscured)

13
7
0
1
2
2
6
10
14
21
29
32
40
43
46
58
80
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
2
0
33
66
78
75
53
34
59
81
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7

Fog (%)

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

Precipitation Probability (%)

21
13
0
0
0
0
0
0
0
0
0
0
0
0
2
20
32
44

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
9
7
5
5
5
5
5
6
6
6
7
7
10
12
15
16
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
75
79
83
83
83
83
84
84
84
88
91
93
91
86
84
85
87

Pressure (mb)

1029
1030
1031
1031
1031
1031
1031
1031
1030
1030
1030
1029
1028
1028
1027
1027
1025
1024

Ozone (du)

414
409
404
398
396
394
392
390
388
386
383
380
377
373
369
365
359
354

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

Generated: 22/03/26 18:40:56. Forecast: 22/03/26 to 28/03/26. Timezone: UTC+0.00