Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

Waning Gibbous 62%

01:49

08:26

18 OK
19 OK
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: 06:05, Set: 18:21, Transit: 12:13. Moon - Rise: 01:49, Set: 08:26. Civil Dark: 18:54 - 05:31. Nautical Dark: 19:33 - 04:52. Astro Dark: 20:15 - 04:10

Total Clouds (% Sky Obscured)

35
28
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
84
100
84
78
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17
0
46
70

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
77
97
100
100
100
96
91
100
100
100
52
78
84
86
47
78
93

High Clouds (% Sky Obscured)

8
24
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
84
100
72
78
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
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
1
0
4
7
4
0
0
0
0
0
0
0
2
27

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
92
91
88
84
85
90
88
88
87
87
87
87
85
84
83
83
79
77
73
74
77
78
82

Pressure (mb)

1016
1016
1016
1015
1015
1015
1014
1013
1012
1012
1011
1010
1009
1009
1008
1007
1007
1006
1005
1004
1003
1002
1002
1001

Ozone (du)

326
325
324
327
328
330
331
333
334
335
335
338
341
343
347
349
351
351
353
356
356
358
357
360

Friday 21

Waning Gibbous 52%

02:52

09:14

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: 06:02, Set: 18:22, Transit: 12:13. Moon - Rise: 02:52, Set: 09:14. Civil Dark: 18:56 - 05:29. Nautical Dark: 19:35 - 04:49. Astro Dark: 20:17 - 04:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
96
100
92
81
87
96
100
96
96
80
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

72
81
85
73
81
75
84
87
89
89
87
81
87
75
51
56
71
48
57
73
68
60
55
50

Medium Clouds (% Sky Obscured)

100
100
100
100
99
98
100
100
90
78
78
9
2
0
17
17
41
65
61
57
88
91
74
38

High Clouds (% Sky Obscured)

100
100
100
100
100
38
33
100
21
100
47
3
7
91
86
79
79
16
15
96
86
86
29
83

ISS Passover

Visibility (miles)

9
4
3
0
2
9
1
1
0
4
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
1
7
2
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
88
30
40
52
55
45
15
3
2
0
0
0
0
2
28
46
46
49
42
20
5

Precipitation Amount (mm)

0.9
1.6
0.9
0.6
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
10
9
9
9
10
11
11
10
10
9
8
8
9
9
9
9
9
9
8
8
7
5

Chance of Frost

Temperature (°C)

14
12
11
11
11
11
11
10
10
10
10
10
10
10
10
11
12
13
14
14
14
13
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
93
96
98
98
96
98
96
98
96
96
93
91
90
91
86
80
75
73
69
67
66
70
77

Pressure (mb)

1001
1001
1001
1001
1000
1000
1000
1000
1000
1000
999
1000
1000
1000
1000
1000
1000
1000
1000
1000
999
999
999
999

Ozone (du)

360
360
361
361
359
359
357
354
351
350
349
349
348
348
348
347
343
337
328
324
325
326
330
334

Saturday 22

Third Quarter 42%

03:42

10:19

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: 06:00, Set: 18:24, Transit: 12:13. Moon - Rise: 03:42, Set: 10:19. Civil Dark: 18:57 - 05:27. Nautical Dark: 19:37 - 04:47. Astro Dark: 20:19 - 04:05

Total Clouds (% Sky Obscured)

100
100
100
99
80
100
79
62
79
94
96
97
80
86
99
98
90
100
100
99
100
80
62
42

Low Clouds (% Sky Obscured)

50
61
52
54
41
42
51
62
52
49
48
53
47
51
79
69
78
92
80
67
57
43
30
18

Medium Clouds (% Sky Obscured)

45
41
29
24
12
12
15
3
16
18
9
13
54
56
49
62
52
3
7
7
7
4
4
4

High Clouds (% Sky Obscured)

69
44
51
3
32
100
79
62
79
81
46
48
32
55
93
91
60
86
87
86
91
72
45
13

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
48
21
70
76
48
48
48
48
48
48
48
48
48
48
48
48

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 (%)

5
3
10
17
18
12
9
15
7
0
1
0
0
4
4
1
3
18
30
38
40
38
30
38

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
3
2
1
3
2
3
4
6
8
8
8
9
11
11
12
12
13
13
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
91
95
95
95
95
95
96
94
96
96
96
98
100
93
91
93
91
89
84
83
83
86
90

Pressure (mb)

1000
1000
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
1002
1003
1003
1004
1004
1004
1005
1005
1005
1006
1006
1007

Ozone (du)

336
335
335
335
336
336
335
334
335
335
335
332
332
332
330
328
329
328
329
330
330
330
330
330

Sunday 23

Waning Crescent 32%

04:18

11:36

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: 18:26, Transit: 12:13. Moon - Rise: 04:18, Set: 11:36. Civil Dark: 18:59 - 05:24. Nautical Dark: 19:39 - 04:44. Astro Dark: 20:21 - 04:02

Total Clouds (% Sky Obscured)

45
40
29
51
73
95
97
99
100
100
100
100
99
100
99
91
82
73
78
83
88
75
63
53

Low Clouds (% Sky Obscured)

11
8
10
32
60
87
91
96
100
100
100
100
99
100
99
91
82
73
78
83
88
75
63
50

Medium Clouds (% Sky Obscured)

5
3
25
18
28
37
33
24
15
14
6
2
2
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

9
4
0
9
18
25
18
9
0
0
0
0
1
1
2
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
6
9
9
9
9
9
9
9
9
9
9
4
2
9
9
9
9
9
9
9
9
9
9

Fog (%)

48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48

Precipitation Type

Very Light Rain
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 (%)

44
41
31
20
5
4
2
3
8
10
17
19
21
21
14
4
3
4
9
3
12
14
5
2

Precipitation Amount (mm)

0.3
0.2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
98
98
98
96
96
96
96
96
98
96
98
98
96
96
90
87
87
90
88
80
81
84

Pressure (mb)

1008
1009
1010
1011
1011
1012
1012
1013
1013
1013
1014
1014
1015
1015
1016
1017
1017
1017
1017
1017
1017
1017
1017
1018

Ozone (du)

330
330
332
332
330
328
327
325
323
323
320
319
318
317
315
315
314
310
305
304
302
300
299
297

Monday 24

Waning Crescent 22%

04:45

13:02

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: 05:56, Set: 18:27, Transit: 12:12. Moon - Rise: 04:45, Set: 13:02. Civil Dark: 19:01 - 05:22. Nautical Dark: 19:41 - 04:42. Astro Dark: 20:23 - 04:00

Total Clouds (% Sky Obscured)

62
71
81
86
92
95
96
96
96
100
96
96
43
68
92
99
100
100
99
98
96
97
99
100

Low Clouds (% Sky Obscured)

37
28
10
5
0
0
0
0
0
15
30
45
20
15
11
7
4
0
29
59
88
92
95
99

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
23
43
65
64
57
56
12
23
34
54
74
92
93
95
96
89
78
73

High Clouds (% Sky Obscured)

22
44
54
59
69
70
67
67
77
87
81
81
32
62
92
98
99
100
70
40
15
25
50
50

ISS Passover

Visibility (miles)

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

Fog (%)

48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48

Precipitation Type

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
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
4
5
0
0
0
4
11
16
32
46
58
59
57
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
87
85
86
89
88
88
86
88
88
88
86
82
79
80
78
78
84
90
98
96
98

Pressure (mb)

1018
1018
1019
1019
1019
1019
1019
1020
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

296
296
297
297
289
280
272
265
260
255
251
248
247
247
248
248
249
250
251
252
253
254
258
262

Tuesday 25

Waning Crescent 13%

05:04

14:30

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

Sun - Rise: 05:53, Set: 18:29, Transit: 12:12. Moon - Rise: 05:04, Set: 14:30. Civil Dark: 19:02 - 05:20. Nautical Dark: 19:43 - 04:40. Astro Dark: 20:25 - 03:57

Total Clouds (% Sky Obscured)

78
57
36
48
61
74
64
60
53
52
49
42
55
62
51
52
51
67
57
48
37
31
29
34

Low Clouds (% Sky Obscured)

78
57
36
48
61
74
64
60
53
52
41
32
32
28
20
14
22
33
33
32
32
24
16
8

Medium Clouds (% Sky Obscured)

59
45
25
20
16
11
7
3
0
0
0
0
0
1
1
27
51
67
50
27
3
21
29
34

High Clouds (% Sky Obscured)

35
20
10
7
2
0
0
0
0
0
0
2
11
17
21
37
44
57
40
22
6
8
11
26

ISS Passover

Visibility (miles)

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

Fog (%)

48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48

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 (%)

36
25
7
12
12
5
5
3
0
0
0
0
0
0
0
0
0
0
1
1
1
8
10
12

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
98
98
96
96
96
96
94
94
94
94
90
87
85
80
77
73
72
72
71
76
80

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1015

Ozone (du)

266
270
273
277
281
286
291
290
288
287
290
293
296
301
305
310
312
314
316
317
318
319
318
317

Wednesday 26

Waning Crescent 6%

05:19

15:59

18 OK
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

Sun - Rise: 05:51, Set: 18:31, Transit: 12:12. Moon - Rise: 05:19, Set: 15:59. Civil Dark: 19:04 - 05:17. Nautical Dark: 19:44 - 04:37. Astro Dark: 20:27 - 03:54

Total Clouds (% Sky Obscured)

42
42
47
49
52
50
70
80
90
92
97
96
98
97
92
92
92
91

Low Clouds (% Sky Obscured)

8
9
7
11
12
12
13
23
25
53
74
89
90
94
89
79
70
65

Medium Clouds (% Sky Obscured)

42
42
36
43
52
50
64
62
65
65
65
70
65
65
65
59
40
27

High Clouds (% Sky Obscured)

32
37
38
37
36
30
10
5
0
0
5
5
5
9
12
15
18
20

ISS Passover

Visibility (miles)

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

Fog (%)

48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48

Precipitation Type

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

Precipitation Probability (%)

10
7
0
8
11
16
25
32
38
51
62
71
79
89
95
84
65
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
0.6
0.9
0.6
0.3
0

Wind Speed/Direction (mph)

5
5
5
5
6
7
8
8
9
9
9
8
9
9
11
14
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
93
96
94
96
94
94
93
91
94
96
96
96
93
91
90
88

Pressure (mb)

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

Ozone (du)

316
317
317
318
320
323
325
328
330
333
338
344
349
353
356
360
362
364

Forecast for Stratton Saint Margaret, Swindon, United Kingdom (51.57,-1.76)

Generated: 20/03/25 18:18:25. Forecast: 20/03/25 to 26/03/25. Timezone: UTC+0.00