Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 1

Third Quarter 45%

22:56

13:58

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

Sun - Rise: 07:13, Set: 16:58, Transit: 12:05. Moon - Rise: 22:56, Set: 13:58. Civil Dark: 17:32 - 06:40. Nautical Dark: 18:10 - 06:02. Astro Dark: 18:48 - 05:24

Total Clouds (% Sky Obscured)

30
23
32
34
8
6
20
30
24
28
61
53
38
46
43
32
42
58
56
63
65
65
67
89

Low Clouds (% Sky Obscured)

0
2
2
32
8
6
17
27
18
4
0
0
6
46
43
32
42
58
56
63
65
65
67
88

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
3
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
2
2
2
0
1
4
2
6
22
46
31
22
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 (%)

9
4
3
2
2
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
0
0
0
1
1
0
0
0
0
1
1
4
10
15

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
84
81
80
77
79
80
80
80
81
81
81
84
86
86
84
86
87
88
88
90
93
91

Pressure (mb)

1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1034
1034
1034
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035

Ozone (du)

274
275
276
276
275
275
276
278
278
278
278
275
277
279
281
281
284
285
283
287
293
289
288
289

Monday 2

Waning Crescent 43%

00:19

14:20

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

Sun - Rise: 07:14, Set: 16:56, Transit: 12:05. Moon - Rise: 00:19, Set: 14:20. Civil Dark: 17:30 - 06:42. Nautical Dark: 18:09 - 06:03. Astro Dark: 18:46 - 05:26

Total Clouds (% Sky Obscured)

83
46
22
23
25
9
28
81
82
91
43
30
44
31
33
28
9
4
2
3
4
3
6
15

Low Clouds (% Sky Obscured)

82
46
22
23
24
9
28
47
30
16
1
0
8
1
3
2
0
2
0
1
2
2
4
14

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1
3
4
0

High Clouds (% Sky Obscured)

0
2
0
1
0
0
2
70
71
88
43
30
44
31
33
28
9
4
2
3
2
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 (%)

16
8
14
6
2
0
0
0
0
0
0
0
0
0
0
0
1
0
0
2
2
2
2
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)

15
14
13
14
14
14
14
16
15
16
17
18
19
19
18
18
17
15
14
13
13
14
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
85
81
75
65
60
58
57
61
68
76
78
77
78
80
81
82
81
77
77
75
78
78

Pressure (mb)

1036
1036
1037
1037
1037
1037
1037
1036
1036
1036
1036
1036
1037
1037
1037
1036
1036
1036
1035
1035
1034
1034
1034
1033

Ozone (du)

290
293
292
292
292
292
291
290
290
290
289
289
289
289
290
291
291
290
289
289
290
290
290
291

Tuesday 3

Waning Crescent 34%

01:39

14:37

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

Sun - Rise: 07:16, Set: 16:55, Transit: 12:05. Moon - Rise: 01:39, Set: 14:37. Civil Dark: 17:29 - 06:43. Nautical Dark: 18:07 - 06:05. Astro Dark: 18:45 - 05:27

Total Clouds (% Sky Obscured)

22
21
21
24
34
34
61
55
25
69
47
31
52
45
20
14
36
30
34
39
34
26
31
41

Low Clouds (% Sky Obscured)

20
19
21
24
34
34
58
55
25
69
47
2
19
2
13
14
14
7
13
19
20
20
31
41

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
9
13
13
3
0
5
9
11
11
7
4
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
2
2
2
3
3
1
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
3
5
3
2
1
2
9
17
5
5
3
6
10
7
5
5
5
9
7
9
8
10
15

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)

18
17
18
19
18
18
18
17
17
18
18
18
17
19
19
18
17
18
18
17
16
18
18
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
82
77
76
72
66
61
60
61
63
61
71
80
81
78
74
72
72
84
85
87
84
82
82

Pressure (mb)

1033
1034
1033
1033
1033
1032
1031
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1028
1028
1028
1027
1027
1027

Ozone (du)

293
295
297
300
302
305
305
306
307
307
307
307
307
309
310
308
307
306
305
304
303
301
300
298

Wednesday 4

Waning Crescent 24%

02:56

14:52

07 Bad
08 OK
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
05 Bad
06 Bad

Sun - Rise: 07:18, Set: 16:53, Transit: 12:05. Moon - Rise: 02:56, Set: 14:52. Civil Dark: 17:27 - 06:45. Nautical Dark: 18:06 - 06:06. Astro Dark: 18:43 - 05:28

Total Clouds (% Sky Obscured)

39
29
41
55
73
76
74
78
82
85
87
89
91
93
95
97
99
99
98
97
96
94
93
96

Low Clouds (% Sky Obscured)

39
28
39
51
65
65
70
77
82
84
85
87
89
92
94
96
99
93
88
81
84
86
90
92

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
2
4
4
4
3
12
19
23
22
25
23
28
28
23
19

High Clouds (% Sky Obscured)

0
0
0
0
2
3
3
3
3
4
2
4
4
5
2
0
9
12
4
2
1
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
8
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 (%)

15
9
10
9
7
12
15
24
26
27
12
17
17
24
30
30
27
36
43
40
38
37
35
40

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
84
77
74
67
64
65
65
65
61
59
57
59
67
73
74
74
74
73
74
76
78
77

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025

Ozone (du)

298
298
298
297
295
293
292
291
290
287
287
287
288
288
289
289
288
288
288
289
291
292
294
296

Thursday 5

Waning Crescent 15%

04:11

15:05

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
05 Bad
06 Bad

Sun - Rise: 07:19, Set: 16:51, Transit: 12:05. Moon - Rise: 04:11, Set: 15:05. Civil Dark: 17:26 - 06:46. Nautical Dark: 18:04 - 06:08. Astro Dark: 18:42 - 05:30

Total Clouds (% Sky Obscured)

97
97
96
96
95
97
98
100
100
100
100
97
98
99
95
91
88
86
86
86
85
84
83
74

Low Clouds (% Sky Obscured)

91
89
88
88
89
87
86
86
90
95
100
87
91
95
92
89
87
79
72
67
73
78
82
73

Medium Clouds (% Sky Obscured)

19
19
55
96
93
58
24
30
30
40
42
44
68
91
79
66
54
44
37
32
22
11
2
1

High Clouds (% Sky Obscured)

0
55
50
50
50
47
36
52
52
52
59
14
22
33
24
13
4
4
3
3
3
2
1
1

ISS Passover

Visibility (miles)

9
9
8
9
9
8
8
9
9
7
7
9
9
9
9
8
7
6
7
8
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
Very Light Rain
None
Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
Very Light Rain
None

Precipitation Probability (%)

44
37
44
39
33
41
36
22
31
30
36
62
59
52
57
56
47
48
45
38
40
42
42
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
16
16
16
16
15
15
14
14
15
15
16
13
14
14
14
13
13
13
13
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
7
7
7
7
6

Relative Humidity (%)

77
74
73
73
73
71
69
68
68
71
76
77
77
78
78
81
82
84
85
85
85
85
85
85

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1023
1023

Ozone (du)

299
301
304
305
306
307
307
307
307
307
308
308
308
308
308
308
307
307
306
306
305
304
303
303

Friday 6

Waning Crescent 9%

05:26

15:19

07 Bad
08 Bad
09 Bad
10 Bad
11 OK
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
05 OK
06 OK

Sun - Rise: 07:21, Set: 16:50, Transit: 12:05. Moon - Rise: 05:26, Set: 15:19. Civil Dark: 17:24 - 06:48. Nautical Dark: 18:03 - 06:09. Astro Dark: 18:41 - 05:31

Total Clouds (% Sky Obscured)

65
58
43
27
10
25
39
53
50
47
44
54
60
68
73
72
70
69
68
66
55
43
30
29

Low Clouds (% Sky Obscured)

65
58
43
27
10
25
39
53
50
47
44
54
60
68
73
72
70
69
68
65
51
36
22
25

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
2
4
5
9
13
17
13
9
4
5
5
5
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
8
16
23
24
23
22
17
11
4
5
6
6
6

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 (%)

32
23
25
26
23
27
26
21
27
27
19
23
22
17
24
21
10
15
13
4
10
10
5
7

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
7
6
6
6
6
6
6
6
6
6
6
6
6
6
6
5
6
6
6
6
5
6

Relative Humidity (%)

84
82
82
78
73
70
68
67
66
68
72
76
76
77
78
77
77
76
77
77
78
78
78
80

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1024
1024
1024
1024
1023
1023
1023
1023
1023
1022
1022
1021
1021
1021

Ozone (du)

302
302
301
300
299
298
298
298
298
298
299
299
300
300
300
300
300
299
300
300
300
299
297
296

Saturday 7

Waning Crescent 4%

06:41

15:34

Sun - Rise: 07:23, Set: 16:48, Transit: 12:05. Moon - Rise: 06:41, Set: 15:34. Civil Dark: 17:23 - 06:49. Nautical Dark: 18:02 - 06:11. Astro Dark: 18:39 - 05:33

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: 01/11/26 07:02:55. Forecast: 01/11/26 to 07/11/26. Timezone: UTC+0.00