Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

Waning Gibbous 62%

01:53

08:45

17 OK
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

Sun - Rise: 06:16, Set: 18:31, Transit: 12:24. Moon - Rise: 01:53, Set: 08:45. Civil Dark: 19:04 - 05:43. Nautical Dark: 19:42 - 05:04. Astro Dark: 20:22 - 04:24

Total Clouds (% Sky Obscured)

36
53
63
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)

0
0
0
34
28
48
34
40
49
43
43
58
86
87
94
99
89
94
80
100
100
88
100
96

Medium Clouds (% Sky Obscured)

0
0
0
47
57
88
99
97
95
96
95
100
100
93
100
93
100
99
92
76
96
94
55
85

High Clouds (% Sky Obscured)

36
53
63
100
100
100
100
97
100
100
100
92
81
100
95
100
100
93
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
6
8
9
5
1
6
3
8
5
7
9
9
9
9
3
6
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
Very Light Rain
Light Rain
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
3
47
64
35
39
28
50
83
95
95
95
95
95
82
61
95
95
95
39
21

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.4
0
0
0
0
0.4
0.5
1.8
1.4
1
0.9
0.4
0.2
0.9
1.2
1.2
0
0

Wind Speed/Direction (mph)

20
20
19
17
16
13
11
11
12
11
11
11
11
11
12
12
14
18
18
20
20
20
19
20

Chance of Frost

Temperature (°C)

14
12
11
10
10
10
10
10
10
10
10
10
9
10
10
10
10
11
11
11
10
10
11
12

Feels Like (°C)

11
7
6
6
6
7
7
7
7
7
6
7
6
7
7
6
6
6
6
6
5
4
5
7

Dew Point (°C)

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

Relative Humidity (%)

83
86
84
87
90
93
93
93
95
98
96
96
96
96
96
98
93
91
87
87
93
98
93
88

Pressure (mb)

1013
1012
1012
1012
1012
1011
1011
1010
1009
1008
1007
1007
1006
1005
1004
1004
1003
1002
1001
1000
1000
999
998
998

Ozone (du)

329
330
332
338
340
340
341
347
352
354
356
359
362
364
365
363
363
365
367
373
377
381
382
383

Friday 21

Waning Gibbous 52%

02:55

09:34

17 Bad
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

Sun - Rise: 06:13, Set: 18:33, Transit: 12:24. Moon - Rise: 02:55, Set: 09:34. Civil Dark: 19:05 - 05:41. Nautical Dark: 19:44 - 05:02. Astro Dark: 20:24 - 04:22

Total Clouds (% Sky Obscured)

100
100
100
97
100
100
100
73
72
100
87
91
97
87
98
100
100
100
100
100
100
100
97
92

Low Clouds (% Sky Obscured)

86
66
78
70
79
84
85
66
70
70
87
91
94
87
96
100
100
85
89
76
79
93
82
72

Medium Clouds (% Sky Obscured)

95
96
66
70
0
34
41
0
35
65
0
0
5
0
16
45
75
78
70
68
86
84
86
80

High Clouds (% Sky Obscured)

100
59
100
90
100
100
100
35
30
97
4
14
4
37
61
92
85
100
100
100
95
69
43
20

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
54
54
54
22
0
0
5
7
3
1
1
0
0
0
0
0
0
0
0

Precipitation Type

None
None
Very Light Rain
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

Precipitation Probability (%)

21
29
47
34
26
21
14
0
13
13
8
4
19
23
25
26
24
27
23
27
40
49
53
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
9
10
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
9
9
9
9
9
9
8
8
8
9
8
9
9
8
8
8
8
8
8
8

Relative Humidity (%)

90
90
95
96
98
98
98
98
96
96
96
96
98
98
96
98
96
91
87
87
85
85
84
84

Pressure (mb)

997
997
997
997
998
998
997
997
997
997
997
997
997
997
997
997
998
998
998
998
998
998
999
999

Ozone (du)

384
379
376
375
370
368
366
360
349
346
348
345
340
335
333
333
335
337
341
339
340
340
342
343

Saturday 22

Third Quarter 42%

03:45

10:37

17 Bad
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

Sun - Rise: 06:11, Set: 18:34, Transit: 12:24. Moon - Rise: 03:45, Set: 10:37. Civil Dark: 19:07 - 05:39. Nautical Dark: 19:46 - 05:00. Astro Dark: 20:26 - 04:19

Total Clouds (% Sky Obscured)

93
98
100
96
100
100
100
100
97
98
99
98
88
85
79
78
86
90
89
92
88
80
80
78

Low Clouds (% Sky Obscured)

78
78
90
93
100
100
99
100
88
91
93
91
78
70
79
78
85
88
89
90
83
73
72
70

Medium Clouds (% Sky Obscured)

74
58
74
39
50
61
74
56
59
64
62
57
60
65
55
27
22
26
20
19
13
7
5
2

High Clouds (% Sky Obscured)

37
50
86
50
50
45
48
27
44
56
41
52
34
32
19
9
7
2
2
2
2
1
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
1
4
14
2
0
0
1
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
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

37
31
28
29
32
42
43
43
45
42
39
26
15
17
15
11
3
1
1
17
13
20
24
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
5
6
7
8
9
10
11
11
12
13
12
13
12
13
13
14
15
15
16
16
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
87
85
85
91
95
94
93
90
91
91
90
88
91
91
85
77
76
73
72
71
72
71
78

Pressure (mb)

999
999
1000
1000
1001
1001
1001
1001
1002
1002
1002
1002
1002
1003
1004
1004
1005
1005
1006
1006
1006
1007
1007
1008

Ozone (du)

342
341
341
341
342
342
342
345
344
341
342
344
342
341
340
338
338
339
339
339
340
340
340
341

Sunday 23

Waning Crescent 31%

04:23

11:54

17 Bad
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

Sun - Rise: 06:09, Set: 18:36, Transit: 12:23. Moon - Rise: 04:23, Set: 11:54. Civil Dark: 19:09 - 05:36. Nautical Dark: 19:47 - 04:57. Astro Dark: 20:28 - 04:16

Total Clouds (% Sky Obscured)

72
60
43
43
51
53
51
53
56
70
78
80
80
85
88
94
92
91
82
83
82
80
72
89

Low Clouds (% Sky Obscured)

66
58
43
42
44
45
45
53
56
70
77
74
72
78
84
88
86
84
77
72
66
57
55
62

Medium Clouds (% Sky Obscured)

0
0
0
1
1
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
0
0
0
0
0
0
0
0
0
0
0
0
0
8
16

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
3
4
4
4
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 (%)

23
5
5
5
1
0
0
0
0
0
0
0
2
2
2
2
1
1
1
1
2
3
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
7
7
7
7
6
6
6
6
6
6
6
6
7
7
7
8
7
7
7
7

Relative Humidity (%)

82
88
95
94
96
96
96
96
96
98
98
98
98
96
96
93
93
90
87
83
78
80
78
78

Pressure (mb)

1008
1009
1010
1011
1012
1013
1013
1013
1014
1014
1014
1015
1015
1016
1016
1017
1018
1018
1018
1018
1018
1018
1018
1019

Ozone (du)

343
344
337
334
332
329
328
327
324
318
312
306
302
303
304
305
307
304
298
292
290
291
290
289

Monday 24

Waning Crescent 22%

04:50

13:18

17 Bad
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

Sun - Rise: 06:07, Set: 18:37, Transit: 12:23. Moon - Rise: 04:50, Set: 13:18. Civil Dark: 19:10 - 05:34. Nautical Dark: 19:49 - 04:55. Astro Dark: 20:30 - 04:14

Total Clouds (% Sky Obscured)

90
76
82
74
75
68
83
91
88
83
86
84
99
96
98
100
99
99
98
98
98
97
98
99

Low Clouds (% Sky Obscured)

57
40
35
30
25
8
9
14
15
18
39
63
86
42
45
47
59
63
71
72
84
97
98
98

Medium Clouds (% Sky Obscured)

0
0
0
1
2
0
0
9
19
24
35
32
38
33
62
89
82
76
71
65
56
42
29
16

High Clouds (% Sky Obscured)

28
27
20
16
37
67
82
87
87
83
86
84
97
87
94
100
75
47
27
23
12
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
7
5
3
5

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 (%)

2
1
2
4
1
1
1
1
1
0
5
14
20
14
21
27
25
23
16
12
9
5
8
9

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
88
94
94
93
93
96
96
94
96
94
93
93
93
93
93
95
91
88
87
88
90
91
91

Pressure (mb)

1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1021
1021
1021

Ozone (du)

287
281
274
268
264
257
253
250
248
245
243
242
243
242
243
243
244
247
251
255
257
260
263
264

Tuesday 25

Waning Crescent 13%

05:11

14:44

17 Bad
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

Sun - Rise: 06:05, Set: 18:39, Transit: 12:23. Moon - Rise: 05:11, Set: 14:44. Civil Dark: 19:12 - 05:32. Nautical Dark: 19:51 - 04:53. Astro Dark: 20:32 - 04:11

Total Clouds (% Sky Obscured)

99
97
95
93
92
88
85
88
92
97
100
100
100
89
80
68
72
76
79
74
70
65
62
60

Low Clouds (% Sky Obscured)

97
94
93
92
92
88
84
88
92
97
100
100
100
89
79
68
72
76
79
73
66
59
58
59

Medium Clouds (% Sky Obscured)

10
7
3
0
0
0
0
0
0
0
0
0
1
19
39
58
47
32
16
25
34
47
40
31

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
0
0
5
5
5
15
20
22
14
22
25
30
24
27

ISS Passover

Visibility (miles)

7
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 (%)

5
11
10
7
15
17
17
15
12
2
4
5
1
2
2
2
8
9
8
7
5
1
9
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
95
95
96
95
95
91
91
91
90
88
85
84
87
90
93
85
80
73
74
76
77
81

Pressure (mb)

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

Ozone (du)

265
266
267
269
270
272
274
276
279
282
285
290
295
301
307
312
318
317
316
315
315
316
317
317

Wednesday 26

Waning Crescent 6%

05:28

16:12

17 Bad
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

Sun - Rise: 06:02, Set: 18:41, Transit: 12:22. Moon - Rise: 05:28, Set: 16:12. Civil Dark: 19:13 - 05:29. Nautical Dark: 19:53 - 04:50. Astro Dark: 20:34 - 04:09

Total Clouds (% Sky Obscured)

64
65
63
62
57
54
58
67
71
72
84
95
95
85
78
64
61
55
48

Low Clouds (% Sky Obscured)

58
56
54
52
43
34
24
33
48
58
53
44
39
41
42
39
38
36
35

Medium Clouds (% Sky Obscured)

26
32
37
44
49
54
58
55
55
60
55
55
50
30
15
0
2
5
6

High Clouds (% Sky Obscured)

26
27
29
35
35
30
30
25
20
20
12
3
4
5
4
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

13
12
10
4
19
29
41
68
85
95
95
95
95
80
59
39
42
46
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.5
0.7
0.8
0.8
0.8
0.5
0.2
0
0
0
0

Wind Speed/Direction (mph)

10
10
9
8
8
8
9
9
9
9
10
11
13
17
18
20
19
19
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
5
4
5
5
5
5
5
6
5
5
5
5
4
4
4
5

Relative Humidity (%)

85
90
88
87
85
87
88
90
91
93
94
93
91
90
88
87
86
87
85

Pressure (mb)

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

Ozone (du)

317
317
319
321
324
326
327
329
335
341
348
353
359
364
364
363
362
363
365

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.42)

Generated: 20/03/25 17:52:09. Forecast: 20/03/25 to 26/03/25. Timezone: UTC+0.00