Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 8

Waning Gibbous 82%

18:40

12:36

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: 07:26, Set: 16:45, Transit: 12:06. Moon - Rise: 18:40, Set: 12:36. Civil Dark: 17:20 - 06:51. Nautical Dark: 17:59 - 06:12. Astro Dark: 18:38 - 05:35

Total Clouds (% Sky Obscured)

71
75
80
81
91
73
79
100
100
100
100
97
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

36
12
38
54
18
22
15
6
41
9
79
67
96
89
94
89
75
81
69
66
56
60
58
44

Medium Clouds (% Sky Obscured)

71
75
49
66
70
51
42
29
48
29
96
39
74
99
96
79
79
22
0
0
0
2
100
100

High Clouds (% Sky Obscured)

71
75
57
0
0
11
38
69
98
54
100
72
100
100
100
100
100
100
100
100
100
100
100
81

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
5
2
8
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
Very Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
3
1
0
10
17
35
52
87
95
95
95
95
53
32
22
13
4
4
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
2.7
0.9
1.3
0.8
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
12
14
15
16
18
19
19
20
22
23
24
25
25
25
26
25
22
18
14
10
10
10

Chance of Frost

Temperature (°C)

12
12
12
13
13
13
13
13
13
13
13
13
13
13
13
14
14
14
14
14
14
14
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
89
90
92
92
92
92
93
93
92
90
92
90
95
92
93
95
93
93
90
90
90
90

Pressure (mb)

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

Ozone (du)

267
270
271
272
272
275
272
267
264
264
264
265
265
265
267
269
270
271
272
273
274
275
277
277

Sunday 9

Waning Gibbous 72%

19:57

13:14

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 OK
15 OK
16 Bad
17 OK

Sun - Rise: 07:28, Set: 16:43, Transit: 12:06. Moon - Rise: 19:57, Set: 13:14. Civil Dark: 17:18 - 06:53. Nautical Dark: 17:57 - 06:14. Astro Dark: 18:37 - 05:36

Total Clouds (% Sky Obscured)

100
87
99
63
98
100
100
94
96
95
99
100
100
100
100
100
86
82
100
96
22
35
51
34

Low Clouds (% Sky Obscured)

21
14
62
55
70
54
51
33
21
43
14
52
55
83
53
67
75
56
63
49
22
28
8
27

Medium Clouds (% Sky Obscured)

100
87
98
38
92
100
100
62
72
46
61
67
82
87
87
77
64
59
53
88
0
0
0
29

High Clouds (% Sky Obscured)

80
3
4
16
0
27
4
7
35
40
44
46
40
48
54
100
75
75
100
38
12
35
51
34

ISS Passover

Visibility (miles)

9
9
9
9
6
3
3
9
9
9
9
9
9
9
7
8
2
3
8
7
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

7
26
49
57
77
95
56
30
24
9
7
4
14
49
79
95
95
95
95
78
19
8
2
2

Precipitation Amount (mm)

0
0
0
0.2
0.3
1.3
0
0
0
0
0
0
0
0
0.3
1.3
3.4
0.6
1.2
0.6
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
13
12
13
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
87
89
93
90
93
90
87
86
84
83
83
83
83
84
86
90
86
83
81
80
83
83

Pressure (mb)

1009
1008
1008
1007
1007
1007
1006
1006
1006
1005
1005
1005
1005
1004
1004
1004
1004
1004
1003
1003
1004
1005
1005
1006

Ozone (du)

275
276
278
282
285
288
291
296
301
304
306
305
303
306
308
310
311
314
315
315
315
314
316
312

Monday 10

Waning Gibbous 61%

21:20

13:40

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: 07:30, Set: 16:42, Transit: 12:06. Moon - Rise: 21:20, Set: 13:40. Civil Dark: 17:17 - 06:54. Nautical Dark: 17:56 - 06:15. Astro Dark: 18:35 - 05:37

Total Clouds (% Sky Obscured)

91
100
100
100
100
100
100
100
100
100
99
97
96
94
91
95
95
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
10
73
58
26
59
69
57
67
64
63
51
60
56
70
72
67
73
72
70
69
59
48
37

Medium Clouds (% Sky Obscured)

50
82
100
69
100
100
100
100
98
96
96
94
70
83
55
71
59
83
71
49
29
50
67
90

High Clouds (% Sky Obscured)

91
42
99
100
95
100
100
100
94
98
89
88
93
74
78
80
85
100
100
100
97
100
100
100

ISS Passover

Visibility (miles)

9
7
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
2
5
7

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
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

14
13
15
15
23
30
43
18
9
20
18
5
13
9
1
5
16
12
45
95
95
95
95
56

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.9
1.9
0.9
1
0

Wind Speed/Direction (mph)

13
13
15
16
18
19
22
24
26
28
29
29
29
29
29
30
32
33
34
34
32
31
32
31

Chance of Frost

Temperature (°C)

12
12
12
12
12
13
13
13
13
13
14
14
14
14
14
14
14
14
15
15
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

9
9
10
10
10
11
11
11
11
12
12
12
12
12
12
12
12
12
12
12
13
13
13
12

Relative Humidity (%)

83
84
86
86
87
89
89
87
87
89
89
90
89
90
89
87
86
86
84
84
92
93
90
87

Pressure (mb)

1006
1006
1006
1006
1006
1005
1005
1004
1003
1003
1002
1002
1001
1001
1001
1000
1000
1000
1000
999
999
998
998
999

Ozone (du)

310
305
304
306
306
303
296
292
290
287
282
280
280
280
280
279
281
281
282
282
283
284
289
286

Tuesday 11

Waning Gibbous 50%

22:42

13:59

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: 07:31, Set: 16:41, Transit: 12:06. Moon - Rise: 22:42, Set: 13:59. Civil Dark: 17:16 - 06:56. Nautical Dark: 17:55 - 06:17. Astro Dark: 18:34 - 05:39

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)

41
49
55
65
70
76
84
93
100
93
87
80
80
80
80
80
80
69
81
79
80
77
75
48

Medium Clouds (% Sky Obscured)

93
97
100
98
97
96
98
99
100
95
91
89
91
95
100
97
83
59
93
85
75
66
52
45

High 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

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

36
36
49
69
85
94
95
95
95
89
72
61
75
52
50
75
93
95
89
73
59
63
51
51

Precipitation Amount (mm)

0
0
0
0.3
0.5
0.5
0.7
0.7
0.8
0.7
0.5
0.4
0.4
0
0
0.5
0.8
1.2
0.7
0.4
0.2
0.3
0
0.2

Wind Speed/Direction (mph)

30
29
29
29
29
29
29
28
29
28
28
27
27
25
25
25
24
24
25
23
22
22
21
19

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
14
14
14
14
15
15
14
15
14
14
14
14
14
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

13
13
13
12
13
14
13
13
12
12
12
12
12
13
12
12
13
13
13
13
13
13
13
13

Relative Humidity (%)

90
90
90
89
90
96
92
93
87
89
87
84
84
89
86
87
89
92
89
90
92
92
90
92

Pressure (mb)

999
998
999
999
998
998
998
997
997
996
996
996
996
996
996
996
996
997
997
997
997
997
998
998

Ozone (du)

287
287
285
285
285
282
282
284
284
284
283
283
283
284
286
287
287
288
289
288
290
288
288
290

Wednesday 12

Third Quarter 39%

00:01

14:13

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: 07:33, Set: 16:39, Transit: 12:06. Moon - Rise: 00:01, Set: 14:13. Civil Dark: 17:15 - 06:58. Nautical Dark: 17:54 - 06:18. Astro Dark: 18:33 - 05:40

Total Clouds (% Sky Obscured)

94
87
78
85
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
88
83

Low Clouds (% Sky Obscured)

49
71
78
76
73
58
55
57
59
62
68
75
25
47
66
50
39
31
33
38
43
56
66
73

Medium Clouds (% Sky Obscured)

40
40
40
40
45
55
67
81
92
95
97
100
99
99
100
100
100
100
86
67
43
43
40
44

High Clouds (% Sky Obscured)

77
43
15
43
70
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
88
83

ISS Passover

Visibility (miles)

9
9
9
4
9
9
9
7
9
9
9
5
6
7
8
9
8
7
6
7
8
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 (%)

39
52
33
15
9
15
34
24
13
28
23
43
47
45
47
48
48
48
45
42
35
37
43
46

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)

18
18
18
18
17
17
16
16
15
15
14
13
13
15
15
15
16
16
17
16
16
15
15
15

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
14
14
14
14
14
14
13
13
13
14
14
14
14
14
14
14
13

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
11
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12

Relative Humidity (%)

89
89
86
87
86
84
87
87
89
90
90
89
89
89
89
89
89
89
87
89
89
89
90
92

Pressure (mb)

998
998
999
999
999
1000
1000
1000
999
999
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000

Ozone (du)

290
290
292
292
293
295
295
296
297
298
299
300
301
302
303
304
305
305
306
307
309
310
312
314

Thursday 13

Waning Crescent 29%

01:15

14:26

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: 07:35, Set: 16:38, Transit: 12:06. Moon - Rise: 01:15, Set: 14:26. Civil Dark: 17:13 - 06:59. Nautical Dark: 17:53 - 06:20. Astro Dark: 18:32 - 05:41

Total Clouds (% Sky Obscured)

74
68
61
72
84
95
96
97
98
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

71
68
61
54
53
45
46
50
51
62
70
77
79
81
82
81
83
84
88
89
91
72
54
42

Medium Clouds (% Sky Obscured)

37
35
42
55
71
78
78
77
77
84
91
100
99
99
98
96
93
87
77
61
41
48
55
62

High Clouds (% Sky Obscured)

74
68
61
70
43
15
13
11
9
42
73
100
100
100
100
100
100
100
100
100
100
98
95
95

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

54
59
66
56
43
19
31
34
31
66
87
95
95
95
95
95
95
95
95
83
59
54
44
23

Precipitation Amount (mm)

0
0.2
0.3
0.2
0
0
0
0
0
0.3
0.6
0.8
0.8
0.9
1
1.1
1.2
1.3
0.8
0.5
0.2
0
0
0

Wind Speed/Direction (mph)

15
15
15
15
14
14
14
15
16
17
17
18
19
16
15
16
15
14
15
17
18
19
19
18

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
13
13
13
12
12
12
12
13
13
14
14
14
13
13
13
13
13
13

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
11
11
12
11
11
11
11
12
12
13
13
13
13
12
12
11
11
12

Relative Humidity (%)

93
93
93
92
93
93
92
92
92
92
92
93
93
95
95
96
96
95
96
93
92
89
89
90

Pressure (mb)

1000
1000
1001
1001
1000
1000
1000
999
999
998
997
996
995
995
995
994
994
994
993
993
994
994
994
994

Ozone (du)

316
314
312
310
308
307
305
302
298
295
296
296
296
298
300
302
304
306
309
311
314
317
318
319

Friday 14

Waning Crescent 21%

02:26

14:37

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: 07:36, Set: 16:37, Transit: 12:06. Moon - Rise: 02:26, Set: 14:37. Civil Dark: 17:12 - 07:01. Nautical Dark: 17:52 - 06:21. Astro Dark: 18:31 - 05:43

Total Clouds (% Sky Obscured)

85
69
54
46
40
34
52
70
89
90
90
88
88
88
85
86
88
91

Low Clouds (% Sky Obscured)

42
35
23
36
40
34
52
54
54
53
51
49
42
34
26
19
14
9

Medium Clouds (% Sky Obscured)

55
54
47
44
40
34
35
26
22
34
44
52
38
26
15
12
13
14

High Clouds (% Sky Obscured)

71
45
19
26
40
34
52
70
89
64
40
23
50
67
77
78
84
81

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

34
45
54
56
59
66
60
54
45
49
56
63
55
48
42
40
38
35

Precipitation Amount (mm)

0
0
0.3
0.3
0.3
0.4
0.3
0.2
0
0
0.2
0.3
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
17
17
18
19
19
20
20
23
23
22
21
19
20
20
20
21

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
11
11
11
11
11
11
11
11
11
10
10
10
11

Relative Humidity (%)

90
90
90
90
90
89
89
87
87
87
87
87
87
87
86
86
86
86

Pressure (mb)

995
995
995
996
996
996
996
996
996
996
996
996
997
997
997
998
997
997

Ozone (du)

320
323
326
328
330
331
333
333
333
334
332
331
330
325
321
316
315
314

Forecast for Penzance, Cornwall, United Kingdom (50.12,-5.54)

Generated: 08/11/25 18:30:23. Forecast: 08/11/25 to 14/11/25. Timezone: UTC+0.00