Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 15

Waning Crescent 13%

03:36

14:49

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: 07:38, Set: 16:35, Transit: 12:07. Moon - Rise: 03:36, Set: 14:49. Civil Dark: 17:11 - 07:02. Nautical Dark: 17:51 - 06:22. Astro Dark: 18:30 - 05:44

Total Clouds (% Sky Obscured)

97
98
89
90
92
93
93
93
93
88
85
76
77
71
45
58
54
79
81
83
92
91
66
76

Low Clouds (% Sky Obscured)

61
62
57
61
70
72
78
56
58
60
74
75
75
69
45
58
53
79
80
83
85
81
56
60

Medium Clouds (% Sky Obscured)

95
70
40
59
74
76
86
85
58
53
66
4
4
6
4
1
0
0
2
0
24
36
16
30

High Clouds (% Sky Obscured)

57
29
44
70
83
70
67
84
88
29
28
55
55
57
8
2
3
1
1
3
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
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
18
21
29
32
32
30
8
8
6
9
8
3
2
2
2
3
2
14
13
14
15
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
92
90
92
92
92
90
88
88
88
87
86
87
88
88
84
83
81
79
79
81
79

Pressure (mb)

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

Ozone (du)

305
306
304
300
298
296
294
292
292
291
290
289
289
289
288
285
284
283
283
282
279
277
277
277

Sunday 16

Waning Crescent 7%

04:46

15:01

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

Sun - Rise: 07:39, Set: 16:34, Transit: 12:07. Moon - Rise: 04:46, Set: 15:01. Civil Dark: 17:10 - 07:03. Nautical Dark: 17:50 - 06:24. Astro Dark: 18:29 - 05:45

Total Clouds (% Sky Obscured)

71
23
43
42
52
78
87
90
72
64
54
6
0
0
0
0
0
0
0
0
0
1
0
0

Low Clouds (% Sky Obscured)

34
15
26
17
52
76
85
89
71
62
54
6
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

35
7
21
24
4
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
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
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 (%)

2
2
1
1
4
5
7
13
4
2
2
1
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)

17
18
16
14
11
10
10
11
12
15
16
17
16
14
12
12
12
13
12
11
10
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
7
7
6
4
3
3
2
2
2
3
4
4
3
3
3
2
2
2
2
2

Relative Humidity (%)

77
76
77
80
82
80
77
70
66
62
61
62
63
65
69
69
66
62
61
60
59
59
61
62

Pressure (mb)

1016
1016
1017
1018
1018
1019
1019
1019
1020
1020
1021
1022
1022
1023
1024
1025
1026
1026
1026
1026
1027
1027
1027
1028

Ozone (du)

276
278
284
286
281
277
274
272
267
259
253
256
257
258
260
262
264
265
264
262
260
259
258
262

Monday 17

Waning Crescent 3%

05:57

15:17

18 Good
19 Good
20 Good
21 Good
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
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: 07:41, Set: 16:33, Transit: 12:07. Moon - Rise: 05:57, Set: 15:17. Civil Dark: 17:09 - 07:05. Nautical Dark: 17:49 - 06:25. Astro Dark: 18:28 - 05:47

Total Clouds (% Sky Obscured)

0
0
0
3
23
60
97
100
100
34
38
92
100
74
70
79
82
77
84
92
99
95
95
75

Low Clouds (% Sky Obscured)

0
0
0
3
23
53
57
55
10
17
38
83
90
67
68
50
18
67
61
55
50
57
62
63

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
29
57
20
0
31
39
2
19
44
69
65
69
64

High Clouds (% Sky Obscured)

0
0
0
3
6
60
96
100
99
34
38
65
65
50
45
45
2
0
14
29
43
26
13
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
6
9
9
9

Fog (%)

0
0
5
8
5
7
7
2
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
Very Light Rain
Light Rain
None
None
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
5
17
21
15
30
37
39
30
60
76
46
34
47
51

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0
0
0
0.2

Wind Speed/Direction (mph)

7
6
4
4
4
4
5
6
6
6
7
7
9
11
14
16
18
17
17
17
15
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
64
66
67
69
70
70
70
69
68
68
69
70
74
78
76
76
77
78
81
78
73
77
74

Pressure (mb)

1028
1028
1028
1029
1028
1028
1028
1027
1027
1026
1025
1025
1024
1024
1023
1023
1022
1022
1021
1020
1018
1017
1016
1016

Ozone (du)

261
261
264
270
271
277
271
268
268
271
269
268
270
269
272
273
278
279
278
278
276
277
276
275

Tuesday 18

Waning Crescent 1%

07:08

15:36

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: 07:42, Set: 16:32, Transit: 12:07. Moon - Rise: 07:08, Set: 15:36. Civil Dark: 17:08 - 07:06. Nautical Dark: 17:48 - 06:26. Astro Dark: 18:27 - 05:48

Total Clouds (% Sky Obscured)

88
81
63
78
63
87
83
79
74
77
81
86
84
81
77
81
85
88
88
57
85
84
83
82

Low Clouds (% Sky Obscured)

64
60
54
60
55
67
69
72
71
72
73
72
69
67
62
66
50
51
72
53
72
70
69
65

Medium Clouds (% Sky Obscured)

48
35
21
27
32
33
16
7
0
4
30
76
59
81
14
18
81
81
19
21
51
19
25
31

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
3
43
2
1
2

ISS Passover

Visibility (miles)

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

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

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

Precipitation Probability (%)

59
57
43
47
54
57
44
38
30
46
62
64
65
63
57
70
76
76
82
93
95
95
95
95

Precipitation Amount (mm)

0.3
0.3
0
0
0
0.3
0
0
0
0
0.3
0.3
0.3
0.3
0
0.3
0.4
0.5
0.6
0.7
0.7
0.7
0.7
0.8

Wind Speed/Direction (mph)

19
21
22
24
25
26
28
30
32
33
34
34
36
35
35
35
35
34
34
34
37
39
40
40

Chance of Frost

Temperature (°C)

10
10
10
10
10
9
9
9
9
9
9
9
9
9
8
8
8
8
8
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

6
6
5
5
5
6
3
3
2
3
4
6
5
3
4
3
4
4
4
4
6
5
5
5

Relative Humidity (%)

76
73
71
68
71
77
66
64
61
64
73
84
74
69
71
68
74
74
78
75
84
84
82
81

Pressure (mb)

1015
1014
1014
1013
1012
1011
1010
1009
1008
1007
1006
1005
1004
1004
1004
1004
1004
1005
1004
1004
1004
1004
1005
1005

Ozone (du)

275
277
280
279
274
275
277
277
280
283
293
301
311
318
326
332
335
343
353
360
357
350
342
335

Wednesday 19

Waning Crescent 0%

08:19

16:01

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: 07:44, Set: 16:31, Transit: 12:07. Moon - Rise: 08:19, Set: 16:01. Civil Dark: 17:07 - 07:08. Nautical Dark: 17:47 - 06:28. Astro Dark: 18:26 - 05:49

Total Clouds (% Sky Obscured)

72
71
95
100
100
100
100
100
100
90
80
71
100
100
100
100
100
100
100
100
100
99
98
97

Low Clouds (% Sky Obscured)

46
35
43
51
55
51
51
54
61
56
50
42
59
58
57
63
66
67
63
58
52
52
54
58

Medium Clouds (% Sky Obscured)

39
50
62
98
100
99
93
100
100
90
30
17
47
58
65
69
74
82
87
92
100
84
65
51

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

95
95
95
95
95
94
93
93
95
88
85
77
75
75
69
75
79
83
81
80
80
72
69
71

Precipitation Amount (mm)

0.8
0.7
0.9
0.9
0.8
0.5
0.6
0.6
0.6
0.5
0.5
0.5
0.4
0.4
0.2
0.4
0.5
0.6
0.5
0.5
0.5
0.4
0.3
0.3

Wind Speed/Direction (mph)

40
39
38
37
36
35
34
33
32
32
32
31
31
25
26
26
26
26
26
26
26
26
26
26

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-5
-4
-3
-4
-4
-3
-2
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-2

Dew Point (°C)

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

Relative Humidity (%)

75
70
68
69
64
62
63
61
58
56
57
58
62
64
66
69
71
75
76
75
72
71
69
66

Pressure (mb)

1006
1006
1007
1008
1008
1009
1009
1009
1010
1010
1011
1012
1012
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1017

Ozone (du)

329
329
337
337
330
326
325
326
330
331
330
325
325
327
329
330
327
324
321
321
321
321
319
318

Thursday 20

New Moon 2%

09:27

16:35

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: 07:46, Set: 16:30, Transit: 12:08. Moon - Rise: 09:27, Set: 16:35. Civil Dark: 17:06 - 07:09. Nautical Dark: 17:46 - 06:29. Astro Dark: 18:26 - 05:51

Total Clouds (% Sky Obscured)

96
95
94
91
87
84
89
94
98
99
99
100
95
91
87
85
82
80
80
81
82
75
72
64

Low Clouds (% Sky Obscured)

48
37
31
48
56
66
58
45
35
40
49
59
63
68
72
74
80
80
76
67
58
41
23
4

Medium Clouds (% Sky Obscured)

49
49
52
36
20
0
29
58
88
86
81
77
57
38
19
31
43
48
48
43
37
34
32
29

High Clouds (% Sky Obscured)

0
0
0
1
0
0
0
0
0
0
0
0
9
21
35
33
31
30
17
15
13
12
11
15

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

69
61
53
58
56
53
58
54
55
58
60
65
56
53
58
52
47
47
43
38
31
25
18
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

26
26
26
25
24
24
23
22
21
20
20
20
20
19
18
18
17
16
16
15
15
15
14
13

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
8
8
7
7
7
7
7
7
8
8
8
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
62
59
56
59
60
62
65
68
70
70
70
70
71
73
74
73
70
68
67
65
64
63
64

Pressure (mb)

1017
1018
1018
1019
1019
1019
1020
1020
1021
1021
1021
1022
1022
1022
1023
1024
1024
1024
1024
1025
1025
1025
1025
1026

Ozone (du)

316
312
307
303
300
298
295
294
292
291
291
290
290
289
289
289
288
288
288
287
286
285
281
277

Friday 21

Waxing Crescent 5%

10:28

17:20

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

Sun - Rise: 07:47, Set: 16:29, Transit: 12:08. Moon - Rise: 10:28, Set: 17:20. Civil Dark: 17:05 - 07:11. Nautical Dark: 17:45 - 06:30. Astro Dark: 18:25 - 05:52

Total Clouds (% Sky Obscured)

78
84
90
72
49
26
31
36
41
47
52
56
61
66
70
71
73
76

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

24
16
9
15
20
23
26
27
30
25
22
20
22
25
29
28
22
16

High Clouds (% Sky Obscured)

36
51
65
42
19
6
4
3
2
5
8
15
35
48
57
58
63
61

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
5
1
2
1
0
2
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
63
64
64
64
65
66
67
69
70
71
73
73
74
74
75
75
76

Pressure (mb)

1026
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1028

Ozone (du)

273
277
281
284
285
285
286
286
286
286
289
292
295
294
294
293
291
289

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

Generated: 15/11/25 17:16:58. Forecast: 15/11/25 to 21/11/25. Timezone: UTC+0.00