Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 3

Waning Gibbous 51%

22:11

14:40

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:39, Set: 20:00, Transit: 13:19. Moon - Rise: 22:11, Set: 14:40. Civil Dark: 20:33 - 06:06. Nautical Dark: 21:14 - 05:25. Astro Dark: 21:59 - 04:41

Total Clouds (% Sky Obscured)

100
99
91
69
100
64
74
83
96
86
76
86
82
76
98
100
100
94
100
100
98
99
100
100

Low Clouds (% Sky Obscured)

94
85
60
50
39
46
44
59
61
56
61
75
77
61
95
96
95
92
100
93
92
76
88
52

Medium Clouds (% Sky Obscured)

2
0
0
0
3
5
3
3
20
23
26
32
18
9
31
27
27
20
28
77
55
97
88
80

High Clouds (% Sky Obscured)

77
8
3
15
100
42
56
57
57
75
67
29
13
42
61
99
95
18
4
76
60
76
53
93

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain

Precipitation Probability (%)

2
6
16
11
9
4
1
1
5
4
5
7
18
21
21
29
39
44
53
52
26
17
16
35

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
15
15
18
17
17
16
13
13
13
15
16
17
18
19
20
19
18
16
14
12
12
11
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
77
72
68
66
64
70
82
92
96
93
96
92
93
93
91
88
88
93
93
92
89
81
75

Pressure (mb)

1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1017
1016
1016
1015
1015
1015
1014
1014
1014
1015
1015
1016
1017
1017

Ozone (du)

290
290
290
289
290
291
290
289
289
290
289
290
289
289
289
290
292
291
291
292
292
293
294
293

Friday 4

Third Quarter 39%

23:00

15:58

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
07 Bad
08 Bad
09 OK
10 Bad
11 Bad

Sun - Rise: 06:41, Set: 19:58, Transit: 13:18. Moon - Rise: 23:00, Set: 15:58. Civil Dark: 20:31 - 06:07. Nautical Dark: 21:12 - 05:27. Astro Dark: 21:56 - 04:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
98
100
90
100
66
59
73
52
82
70
67
76
70
52
46
61
67

Low Clouds (% Sky Obscured)

27
23
38
32
19
56
42
37
26
23
32
29
34
35
30
27
23
21
27
26
29
24
27
27

Medium Clouds (% Sky Obscured)

92
100
96
90
87
88
87
75
35
25
2
0
2
5
0
0
2
2
3
4
0
2
12
8

High Clouds (% Sky Obscured)

98
97
91
80
85
96
89
96
100
84
100
47
35
47
21
59
41
42
47
48
35
39
39
26

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 (%)

1
2
1
0
0
3
6
0
0
0
0
0
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)

14
14
13
14
14
14
13
11
9
8
8
8
8
7
7
6
6
5
4
3
2
2
2
3

Chance of Frost

Temperature (°C)

18
19
18
18
18
18
17
16
15
15
15
15
15
14
14
13
12
12
12
12
13
16
17
18

Feels Like (°C)

15
15
14
15
14
14
14
13
13
13
14
13
12
12
11
12
11
11
12
11
14
15
17
19

Dew Point (°C)

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

Relative Humidity (%)

71
64
60
60
59
61
64
71
78
80
82
82
82
82
82
83
84
84
84
86
77
68
62
58

Pressure (mb)

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

Ozone (du)

293
293
294
294
295
296
297
298
299
300
300
298
297
296
294
293
293
291
289
288
288
288
287
288

Saturday 5

Waning Crescent 28%

00:06

17:03

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

Sun - Rise: 06:42, Set: 19:55, Transit: 13:18. Moon - Rise: 00:06, Set: 17:03. Civil Dark: 20:29 - 06:09. Nautical Dark: 21:10 - 05:29. Astro Dark: 21:53 - 04:45

Total Clouds (% Sky Obscured)

58
62
70
80
66
66
61
47
34
1
10
0
10
10
13
20
20
32
31
29
56
67
71
73

Low Clouds (% Sky Obscured)

10
48
66
70
43
51
48
26
4
0
0
0
0
0
0
16
20
9
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

31
5
5
80
66
12
9
9
9
1
0
0
10
10
13
20
20
32
31
14
17
67
71
11

High Clouds (% Sky Obscured)

36
19
20
43
17
7
2
1
0
1
10
0
10
10
6
20
20
32
24
5
40
2
6
50

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
8
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
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
14
28
18

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)

5
6
6
6
5
6
8
7
6
5
6
7
8
9
10
12
12
13
14
14
13
14
15
14

Chance of Frost

Temperature (°C)

19
19
19
19
19
19
18
17
15
15
15
15
15
15
15
16
16
16
16
17
17
18
19
20

Feels Like (°C)

18
17
19
19
19
18
18
17
16
16
16
13
13
13
13
12
13
13
13
14
16
17
16
17

Dew Point (°C)

9
10
9
10
11
11
11
12
12
12
12
12
12
12
11
11
12
14
14
15
15
14
15
14

Relative Humidity (%)

54
54
53
54
58
60
63
70
78
80
82
82
83
82
77
73
79
85
86
89
83
77
77
68

Pressure (mb)

1025
1025
1025
1025
1025
1024
1024
1024
1023
1024
1023
1023
1023
1022
1022
1021
1020
1019
1018
1018
1017
1017
1017
1016

Ozone (du)

287
286
286
286
287
287
289
291
290
289
288
288
287
287
288
289
289
289
289
291
293
293
292
292

Sunday 6

Waning Crescent 18%

01:27

17:51

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
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: 06:44, Set: 19:53, Transit: 13:18. Moon - Rise: 01:27, Set: 17:51. Civil Dark: 20:27 - 06:11. Nautical Dark: 21:07 - 05:30. Astro Dark: 21:51 - 04:47

Total Clouds (% Sky Obscured)

74
83
91
100
81
62
23
43
58
71
76
72
71
84
80
72
64
91
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
14
33
49
43
34
23
42
55
55
54
50
45
81
80
72
32
42
46
47
44
37
33
36

Medium Clouds (% Sky Obscured)

11
4
21
80
43
0
0
8
13
24
28
16
12
9
5
1
0
0
0
1
3
4
0
2

High Clouds (% Sky Obscured)

55
70
83
100
81
62
0
0
0
0
1
2
3
5
9
12
31
80
100
100
100
100
100
100

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 (%)

22
15
4
0
0
0
0
2
8
12
8
8
8
25
25
17
21
9
15
3
5
5
7
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)

14
12
11
11
10
9
9
8
7
7
7
8
7
7
8
10
13
12
13
12
12
12
12
12

Chance of Frost

Temperature (°C)

20
21
21
21
21
21
21
20
18
18
17
17
17
17
17
17
17
16
16
15
16
17
18
18

Feels Like (°C)

17
18
18
19
19
19
20
21
20
20
19
18
18
18
17
16
14
14
13
12
13
13
15
15

Dew Point (°C)

12
12
11
12
13
14
15
16
17
17
17
17
16
16
16
16
15
15
14
13
12
12
11
11

Relative Humidity (%)

60
57
51
53
59
66
71
78
92
96
96
96
95
95
93
92
90
95
89
86
79
72
66
63

Pressure (mb)

1016
1015
1015
1015
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1018
1018
1018
1019
1019

Ozone (du)

294
294
294
294
296
299
303
303
304
305
306
309
307
307
305
305
306
303
303
302
302
301
300
299

Monday 7

Waning Crescent 9%

02:54

18:25

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:45, Set: 19:51, Transit: 13:17. Moon - Rise: 02:54, Set: 18:25. Civil Dark: 20:24 - 06:12. Nautical Dark: 21:05 - 05:32. Astro Dark: 21:48 - 04:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
100
100
93
85
82
85
87
90
92
95
95
85
76
67
49
31

Low Clouds (% Sky Obscured)

44
42
37
36
34
35
36
38
41
40
39
59
62
73
84
90
92
95
95
85
69
55
38
22

Medium Clouds (% Sky Obscured)

5
5
75
99
97
94
99
70
63
100
93
85
82
85
87
90
92
95
95
78
56
33
22
11

High Clouds (% Sky Obscured)

100
100
100
100
77
50
25
25
20
20
20
20
25
40
45
55
60
75
80
60
32
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
5
6
5
5
4
6
8
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

5
4
6
7
7
18
17
38
58
72
64
70
90
87
75
69
80
90
95
72
52
32
28
32

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
60
58
60
64
65
67
74
85
89
86
79
84
90
92
90
92
92
90
90
83
75
69
62

Pressure (mb)

1019
1019
1019
1018
1018
1018
1017
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1015
1015
1015
1016
1016
1017

Ozone (du)

299
298
298
297
296
296
295
293
293
294
295
296
298
300
301
302
303
308
313
318
321
324
327
327

Tuesday 8

Waning Crescent 4%

04:22

18:49

12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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: 06:47, Set: 19:49, Transit: 13:17. Moon - Rise: 04:22, Set: 18:49. Civil Dark: 20:22 - 06:14. Nautical Dark: 21:02 - 05:34. Astro Dark: 21:45 - 04:51

Total Clouds (% Sky Obscured)

16
26
37
51
51
48
52
49
46
45
37
29
26
25
24
28
42
56
66
77
88
98
88
80

Low Clouds (% Sky Obscured)

7
10
12
14
17
20
25
29
33
37
31
24
17
17
16
16
13
13
10
37
63
90
62
39

Medium Clouds (% Sky Obscured)

0
1
5
10
10
11
12
11
10
9
7
4
1
0
0
0
0
0
0
0
0
0
4
8

High Clouds (% Sky Obscured)

0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
10
27
45
45
45
55
38
27

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
5
7
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

31
20
15
15
20
31
41
42
45
49
36
29
22
16
18
15
15
17
15
14
15
18
16
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
16
16
15
15
14
14
14
12
10
9
9
8
8
7
7
6
6
5
5
6
7
8
9

Chance of Frost

Temperature (°C)

17
17
17
17
17
16
15
15
14
13
13
13
12
12
12
12
12
11
11
11
12
14
15
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
51
52
53
54
60
67
73
78
83
87
84
83
80
80
81
83
81
81
81
75
69
64
59

Pressure (mb)

1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1019

Ozone (du)

326
326
329
331
334
337
339
342
341
339
338
336
334
332
332
332
332
330
329
327
325
323
321
316

Wednesday 9

Waning Crescent 4%

05:47

19:07

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: 06:48, Set: 19:47, Transit: 13:17. Moon - Rise: 05:47, Set: 19:07. Civil Dark: 20:20 - 06:15. Nautical Dark: 21:00 - 05:36. Astro Dark: 21:42 - 04:53

Total Clouds (% Sky Obscured)

70
75
83
88
90
96
100
100
100
100
100
100
100
100
100
100
99
98
95

Low Clouds (% Sky Obscured)

17
22
25
27
29
30
32
23
22
15
28
41
55
69
81
100
99
98
95

Medium Clouds (% Sky Obscured)

15
18
15
14
13
10
15
44
72
100
100
100
100
100
100
99
85
70
52

High Clouds (% Sky Obscured)

15
35
57
84
90
96
100
100
100
100
100
100
100
84
68
53
36
20
4

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

17
13
9
2
18
27
35
56
68
78
94
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.3
0.4
0.6
0.8
1.3
1.5
1.3
1
1.2
1
0.8

Wind Speed/Direction (mph)

10
10
10
11
11
9
8
7
7
7
7
9
12
14
14
14
14
13
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
51
52
54
54
59
64
69
70
73
74
80
87
93
93
92
92
93
92

Pressure (mb)

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

Ozone (du)

312
308
306
304
301
300
299
297
297
296
296
297
299
300
303
305
308
307
306

Forecast for Mawgan Porth, Cornwall, United Kingdom (50.46,-5.03)

Generated: 03/09/26 12:00:09. Forecast: 03/09/26 to 09/09/26. Timezone: UTC+1.00