Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Crescent 1%

06:46

17:41

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

Sun - Rise: 07:53, Set: 18:20, Transit: 13:06. Moon - Rise: 06:46, Set: 17:41. Civil Dark: 18:53 - 07:20. Nautical Dark: 19:30 - 06:42. Astro Dark: 20:08 - 06:05

Total Clouds (% Sky Obscured)

100
100
96
90
97
68
69
59
70
59
54
53
45
73
49
54
53
60
68
63
69
88
70
54

Low Clouds (% Sky Obscured)

73
65
72
78
70
68
69
59
53
59
41
53
45
55
47
53
35
18
66
61
42
55
55
52

Medium Clouds (% Sky Obscured)

100
65
35
56
39
2
2
0
25
0
17
0
0
19
2
0
0
0
0
37
28
43
16
6

High Clouds (% Sky Obscured)

100
89
70
90
18
2
15
0
0
0
0
0
0
0
39
48
53
60
65
63
69
74
66
9

ISS Passover

Visibility (miles)

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

Very Light Rain
Light Rain
Light Rain
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 (%)

95
95
66
71
66
51
37
35
33
20
35
28
24
32
23
12
6
10
17
22
23
28
30
24

Precipitation Amount (mm)

0.3
0.8
0.5
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

26
26
25
22
27
29
29
30
28
28
26
27
26
26
25
24
23
22
21
21
20
19
20
20

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

987
986
985
985
985
985
986
987
988
989
990
990
991
992
993
994
994
995
995
995
995
995
995
995

Ozone (du)

321
316
317
315
316
314
309
306
305
304
300
297
295
292
291
291
292
291
289
288
287
287
287
289

Tuesday 21

New Moon 0%

07:56

17:54

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

Sun - Rise: 07:55, Set: 18:18, Transit: 13:06. Moon - Rise: 07:56, Set: 17:54. Civil Dark: 18:51 - 07:22. Nautical Dark: 19:28 - 06:44. Astro Dark: 20:06 - 06:07

Total Clouds (% Sky Obscured)

72
87
65
27
69
57
58
52
58
37
21
23
52
62
57
73
68
93
94
52
100
89
100
100

Low Clouds (% Sky Obscured)

54
52
50
27
60
57
58
51
47
31
15
19
52
57
54
61
59
55
55
11
21
20
31
20

Medium Clouds (% Sky Obscured)

36
63
34
0
14
0
0
11
12
0
3
3
35
45
34
38
36
83
86
52
87
52
74
88

High Clouds (% Sky Obscured)

5
0
4
4
7
5
9
7
30
37
21
23
52
55
57
55
55
58
62
4
72
26
62
100

ISS Passover

Visibility (miles)

9
9
9
9
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
2
7
1
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 (%)

19
17
21
22
27
25
14
9
4
3
3
1
0
0
0
0
6
25
12
22
10
16
4
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)

19
20
20
20
20
22
22
22
21
22
20
18
17
16
15
14
13
11
10
9
8
7
6
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
89
87
86
86
83
82
78
76
75
76
80
82
82
81
81
80
79
79
79
79
79
80

Pressure (mb)

995
995
995
996
996
997
997
997
998
998
998
998
998
998
999
999
999
1000
1000
1000
1000
999
999
999

Ozone (du)

290
291
290
290
289
288
288
286
288
287
286
283
283
283
285
283
282
281
282
283
283
281
284
285

Wednesday 22

Waxing Crescent 1%

09:07

18:10

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

Sun - Rise: 07:56, Set: 18:16, Transit: 13:06. Moon - Rise: 09:07, Set: 18:10. Civil Dark: 18:49 - 07:23. Nautical Dark: 19:27 - 06:46. Astro Dark: 20:04 - 06:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
100
100
100
100
100
92
97
76
81
88
100
99
62
72
75
77
80

Low Clouds (% Sky Obscured)

34
53
58
61
61
86
93
100
84
90
95
89
83
93
70
80
87
64
72
59
62
65
67
68

Medium Clouds (% Sky Obscured)

99
94
86
52
54
60
60
70
99
97
94
100
68
76
59
40
45
77
13
0
42
31
29
35

High Clouds (% Sky Obscured)

43
54
73
87
99
100
89
100
87
100
100
100
70
61
0
0
0
55
55
0
0
50
50
51

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
7
7
9
9
9
9
9
9
2
3
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
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Light Rain
Moderate Rain
Very Light Rain
None

Precipitation Probability (%)

5
19
48
70
63
56
65
41
82
90
84
95
68
61
62
52
33
18
8
5
89
95
77
39

Precipitation Amount (mm)

0
0
0
0.4
0.3
0.2
0.3
0
0.5
0.6
0.4
0.8
0.3
0.4
0.3
0
0
0
0
0
0.4
4.5
0.2
0

Wind Speed/Direction (mph)

3
3
3
4
6
7
8
9
11
13
12
14
16
17
15
15
17
18
21
23
26
27
28
29

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
80
81
80
77
75
74
70
69
70
73
82
79
79
79
76
76
76
79
83
86
90
81

Pressure (mb)

999
998
998
997
997
997
997
996
995
994
993
992
991
991
990
990
989
989
989
989
989
989
989
989

Ozone (du)

288
288
290
292
294
294
294
293
293
292
293
293
294
294
295
295
295
297
303
308
311
305
309
313

Thursday 23

Waxing Crescent 4%

10:19

18:30

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

Sun - Rise: 07:58, Set: 18:14, Transit: 13:06. Moon - Rise: 10:19, Set: 18:30. Civil Dark: 18:47 - 07:25. Nautical Dark: 19:25 - 06:47. Astro Dark: 20:02 - 06:10

Total Clouds (% Sky Obscured)

82
83
56
61
60
63
66
46
57
45
68
63
63
64
44
62
60
65
88
100
69
93
88
75

Low Clouds (% Sky Obscured)

69
64
56
54
49
55
59
46
57
45
49
44
40
44
39
59
56
27
37
25
12
33
38
43

Medium Clouds (% Sky Obscured)

25
42
21
10
0
0
0
0
0
1
66
63
63
64
8
62
60
54
27
36
37
93
33
29

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
8
9
9
9
8
8
8
7
8
7
9
9
8
8
5
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
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 (%)

52
52
50
52
58
47
35
32
31
34
35
35
33
32
30
36
39
32
24
24
30
34
41
53

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)

31
35
37
36
35
34
28
24
21
20
20
20
19
19
18
18
17
16
15
15
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
76
77
78
80
81
73
63
63
60
62
67
70
72
71
67
67
68
66
60
61
61
63
66

Pressure (mb)

990
990
991
992
993
995
996
997
998
999
1000
1000
1001
1002
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

316
317
324
326
326
322
323
323
317
315
313
316
317
318
319
319
319
322
318
315
318
323
316
311

Friday 24

Waxing Crescent 9%

11:30

18:57

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

Sun - Rise: 08:00, Set: 18:12, Transit: 13:06. Moon - Rise: 11:30, Set: 18:57. Civil Dark: 18:45 - 07:26. Nautical Dark: 19:23 - 06:49. Astro Dark: 20:00 - 06:11

Total Clouds (% Sky Obscured)

83
65
59
62
47
49
42
41
39
37
41
50
49
54
79
80
76
79
72
64
62
61
59
72

Low Clouds (% Sky Obscured)

62
56
51
40
46
30
35
38
31
27
27
34
35
43
63
59
58
66
70
64
62
60
51
56

Medium Clouds (% Sky Obscured)

30
24
19
45
44
41
21
6
11
7
7
11
16
11
20
21
19
23
25
27
23
17
10
10

High Clouds (% Sky Obscured)

0
1
1
0
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
23

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

68
85
82
81
85
78
68
61
58
49
34
33
32
40
46
51
56
60
58
52
54
51
46
41

Precipitation Amount (mm)

0.3
0.6
0.5
0.5
0.6
0.5
0.3
0.2
0.3
0
0
0
0
0
0
0
0.2
0.3
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

14
16
17
20
23
26
26
28
29
28
29
29
29
28
28
28
27
26
24
23
23
23
23
24

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
11
11
11
11
11
10
10
12
12
12
12
12
12
12
12
12

Feels Like (°C)

1
1
1
1
1
0
1
1
2
2
2
3
2
2
2
4
4
4
4
4
4
5
5
6

Dew Point (°C)

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

Relative Humidity (%)

65
65
65
63
68
71
72
76
78
80
81
83
81
81
83
80
77
73
73
76
76
75
73
72

Pressure (mb)

1004
1004
1004
1005
1005
1006
1006
1007
1007
1007
1007
1007
1007
1007
1008
1006
1006
1007
1007
1008
1008
1009
1010
1010

Ozone (du)

308
308
309
307
307
308
311
314
317
318
316
311
311
315
318
321
324
327
326
326
325
323
321
319

Saturday 25

Waxing Crescent 15%

12:36

19:34

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

Sun - Rise: 08:01, Set: 18:10, Transit: 13:06. Moon - Rise: 12:36, Set: 19:34. Civil Dark: 18:43 - 07:28. Nautical Dark: 19:21 - 06:50. Astro Dark: 19:59 - 06:13

Total Clouds (% Sky Obscured)

87
100
97
95
93
91
89
87
92
96
100
89
75
60
65
67
66
70
75
79
79
76
81
88

Low Clouds (% Sky Obscured)

60
64
61
57
55
47
35
21
36
50
64
53
45
37
40
42
45
55
70
79
79
70
75
80

Medium Clouds (% Sky Obscured)

7
10
31
53
76
79
82
83
87
92
97
73
51
30
20
10
0
0
0
0
4
20
20
19

High Clouds (% Sky Obscured)

48
70
66
54
39
49
61
72
81
91
100
67
38
15
21
19
15
10
5
0
0
0
0
0

ISS Passover

Visibility (miles)

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

31
19
19
17
16
17
18
19
25
31
38
39
38
35
35
33
32
30
30
33
33
31
31
31

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)

24
24
24
24
23
23
22
21
20
20
19
19
19
19
18
18
17
17
17
17
17
18
19
18

Chance of Frost

Temperature (°C)

12
11
11
11
11
11
11
11
11
11
11
11
11
10
10
10
10
10
10
11
11
10
10
10

Feels Like (°C)

5
5
5
4
4
4
4
4
4
5
5
5
5
5
5
5
5
4
4
4
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

71
70
67
67
66
65
65
65
65
66
66
68
67
66
66
66
65
64
64
64
64
61
61
60

Pressure (mb)

1011
1012
1013
1013
1014
1015
1016
1016
1017
1017
1017
1017
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

312
306
299
303
307
311
312
312
313
313
313
313
311
308
306
305
305
304
305
306
307
302
300
298

Sunday 26

Waxing Crescent 22%

12:34

19:23

Sun - Rise: 07:03, Set: 17:08, Transit: 12:06. Moon - Rise: 12:34, Set: 19:23. Civil Dark: 17:42 - 06:30. Nautical Dark: 18:19 - 05:52. Astro Dark: 18:57 - 05:14

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 20/10/25 05:29:16. Forecast: 20/10/25 to 26/10/25. Timezone: UTC+1.00