Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 2

Waning Gibbous 63%

21:41

13:16

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
05 Bad

Sun - Rise: 06:39, Set: 20:03, Transit: 13:21. Moon - Rise: 21:41, Set: 13:16. Civil Dark: 20:37 - 06:05. Nautical Dark: 21:18 - 05:26. Astro Dark: 22:02 - 04:42

Total Clouds (% Sky Obscured)

100
100
99
98
94
95
86
73
84
59
82
95
98
65
86
94
92
93
97
94
100
99
98
100

Low Clouds (% Sky Obscured)

95
87
83
61
53
64
60
51
83
59
30
59
58
53
76
85
80
82
92
83
100
97
95
88

Medium Clouds (% Sky Obscured)

90
86
44
32
30
9
6
2
32
38
39
60
61
49
49
52
44
42
34
36
38
47
44
56

High Clouds (% Sky Obscured)

100
76
61
70
66
72
55
33
51
31
79
84
53
11
5
6
4
2
2
2
27
2
9
73

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
8
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 (%)

28
13
6
30
24
24
26
14
1
4
4
7
1
1
5
1
10
16
15
17
12
16
19
13

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
17
19
20
22
22
21
19
20
19
18
18
17
16
16
16
16
16
16
16
15
15
15
14

Chance of Frost

Temperature (°C)

17
17
17
18
18
18
19
20
20
20
19
19
19
18
18
18
18
18
18
18
18
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
86
90
92
93
92
82
75
80
84
85
82
86
92
93
93
95
96
96
98
96
96
96

Pressure (mb)

1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1020
1020
1020

Ozone (du)

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

Thursday 3

Waning Gibbous 63%

22:16

14:40

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
05 Bad

Sun - Rise: 06:40, Set: 20:01, Transit: 13:21. Moon - Rise: 22:16, Set: 14:40. Civil Dark: 20:35 - 06:07. Nautical Dark: 21:15 - 05:28. Astro Dark: 22:00 - 04:44

Total Clouds (% Sky Obscured)

94
92
97
91
87
85
90
73
76
79
73
59
76
88
100
86
94
94
99
99
93
88
83
96

Low Clouds (% Sky Obscured)

84
85
91
88
81
78
85
59
65
55
66
59
75
83
100
81
91
78
93
89
85
85
77
75

Medium Clouds (% Sky Obscured)

29
11
31
0
2
0
0
4
1
0
0
0
0
2
6
2
1
13
10
1
0
0
0
0

High Clouds (% Sky Obscured)

54
27
52
35
35
35
35
35
5
22
11
8
4
13
2
4
2
23
39
53
73
40
38
79

ISS Passover

Visibility (miles)

9
7
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 (%)

12
11
15
10
13
3
3
3
1
2
1
2
1
5
10
5
11
3
6
7
6
28
27
29

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

Chance of Frost

Temperature (°C)

18
18
19
19
19
19
20
19
20
20
20
19
19
19
19
19
19
19
19
19
19
19
19
19

Feels Like (°C)

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

Dew Point (°C)

18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
17
18
18
18
18

Relative Humidity (%)

98
96
96
95
96
92
92
92
91
88
88
89
91
92
93
93
93
93
92
91
92
93
95
95

Pressure (mb)

1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1017
1017
1016
1016
1016
1015

Ozone (du)

289
288
287
287
287
286
287
289
290
289
288
288
287
287
287
287
287
286
286
286
287
287
287
288

Friday 4

Third Quarter 51%

23:05

15:58

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
05 Bad

Sun - Rise: 06:42, Set: 19:59, Transit: 13:21. Moon - Rise: 23:05, Set: 15:58. Civil Dark: 20:32 - 06:09. Nautical Dark: 21:13 - 05:30. Astro Dark: 21:57 - 04:46

Total Clouds (% Sky Obscured)

84
100
95
100
100
100
98
100
100
100
97
100
94
95
95
83
82
83
83
85
77
91
75
75

Low Clouds (% Sky Obscured)

79
83
87
100
97
100
77
65
78
65
0
39
5
0
11
16
45
6
0
3
6
10
6
3

Medium Clouds (% Sky Obscured)

0
1
3
6
21
31
45
100
100
99
97
40
62
23
89
21
29
41
35
30
28
30
22
21

High Clouds (% Sky Obscured)

41
67
23
62
73
55
62
75
83
98
73
84
68
71
48
60
42
45
57
55
38
58
45
57

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 (%)

34
19
26
30
22
7
16
1
6
11
0
16
12
7
1
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)

15
16
14
14
11
12
11
11
11
12
12
11
12
11
10
9
9
9
9
8
8
7
6
4

Chance of Frost

Temperature (°C)

18
18
18
18
18
17
17
17
17
17
17
17
17
17
17
17
16
16
16
16
16
16
16
16

Feels Like (°C)

16
15
16
16
16
15
15
15
15
14
14
15
16
16
14
16
15
15
15
14
14
14
16
16

Dew Point (°C)

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

Relative Humidity (%)

95
92
92
90
89
85
79
77
73
68
68
71
72
74
81
81
81
82
82
83
83
82
82
79

Pressure (mb)

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

Ozone (du)

288
289
291
291
290
289
289
289
290
289
290
291
292
292
293
294
295
294
293
293
292
291
290
288

Saturday 5

Waning Crescent 39%

00:11

17:03

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

Sun - Rise: 06:43, Set: 19:57, Transit: 13:20. Moon - Rise: 00:11, Set: 17:03. Civil Dark: 20:30 - 06:10. Nautical Dark: 21:11 - 05:32. Astro Dark: 21:54 - 04:48

Total Clouds (% Sky Obscured)

72
95
75
74
60
32
7
7
8
10
5
4
2
8
13
30
31
37
42
42
46
45
44
43

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
1
2
1
1
0
3
7

Medium Clouds (% Sky Obscured)

15
15
12
12
9
8
4
2
3
3
2
4
2
5
2
0
0
0
0
42
46
45
44
43

High Clouds (% Sky Obscured)

70
93
69
63
57
27
2
4
4
5
1
0
0
7
13
30
31
35
40
40
40
40
35
30

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
0
0
0
0
0
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)

4
4
4
4
4
3
3
5
6
6
5
5
6
5
6
7
6
7
7
8
8
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
77
72
67
64
63
63
63
62
62
64
66
71
78
82
82
81
80
82
82
83
82
79

Pressure (mb)

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

Ozone (du)

288
288
287
286
285
286
285
284
285
285
286
288
291
291
291
290
290
290
290
290
289
289
289
289

Sunday 6

Waning Crescent 28%

01:31

17:51

06 OK
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 OK
04 Bad
05 OK

Sun - Rise: 06:45, Set: 19:55, Transit: 13:20. Moon - Rise: 01:31, Set: 17:51. Civil Dark: 20:28 - 06:12. Nautical Dark: 21:08 - 05:33. Astro Dark: 21:51 - 04:50

Total Clouds (% Sky Obscured)

43
50
61
72
81
91
83
75
79
86
67
84
82
99
99
100
88
76
64
55
45
35
35
34

Low Clouds (% Sky Obscured)

10
14
50
70
35
85
41
40
29
19
22
24
25
27
34
37
28
19
10
9
11
13
11
9

Medium Clouds (% Sky Obscured)

43
50
61
72
81
91
28
20
57
17
9
26
82
85
71
57
57
57
57
36
18
0
4
9

High Clouds (% Sky Obscured)

27
29
26
51
67
81
75
51
27
34
10
31
33
38
44
50
59
60
58
44
27
15
10
14

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
0
0
1
2
5
7
10
12
16
15
19
23
20
9
18
14
8
5
3
2
6
6

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)

10
11
12
13
12
12
13
14
14
14
14
14
14
12
11
10
9
9
9
10
10
11
11
12

Chance of Frost

Temperature (°C)

16
16
17
18
18
19
19
19
21
20
20
20
19
18
18
18
18
17
17
17
17
17
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
87
82
76
72
63
60
62
50
50
49
52
63
72
78
85
93
95
95
96
96
98
96
95

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017

Ozone (du)

289
289
290
289
290
290
290
289
288
289
289
291
293
295
296
298
300
304
307
311
308
305
301
300

Monday 7

Waning Crescent 18%

02:58

18:25

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
05 Bad

Sun - Rise: 06:46, Set: 19:53, Transit: 13:20. Moon - Rise: 02:58, Set: 18:25. Civil Dark: 20:26 - 06:13. Nautical Dark: 21:06 - 05:35. Astro Dark: 21:49 - 04:53

Total Clouds (% Sky Obscured)

34
48
64
74
85
93
100
100
100
99
97
94
91
79
65
53
51
56
60
68
73
82
84
82

Low Clouds (% Sky Obscured)

7
18
29
40
56
72
88
61
35
10
34
60
85
79
65
53
51
52
37
34
31
27
43
61

Medium Clouds (% Sky Obscured)

13
15
14
13
16
19
26
27
23
19
10
3
0
2
5
7
29
49
60
66
68
75
65
54

High Clouds (% Sky Obscured)

17
32
45
57
72
86
100
97
95
93
90
88
86
71
55
35
35
45
55
65
65
65
65
65

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 (%)

5
6
7
4
12
11
10
23
27
28
23
16
5
11
12
16
14
12
5
12
12
15
21
25

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)

13
14
15
16
18
18
18
18
18
18
18
18
18
19
18
18
18
19
19
20
20
19
19
19

Chance of Frost

Temperature (°C)

17
16
17
17
18
18
18
18
18
18
17
17
17
17
17
17
17
17
16
16
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
86
81
77
74
73
71
71
68
67
71
74
78
77
74
73
75
78
81
81
82
83
83

Pressure (mb)

1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1019
1019
1019
1019
1019
1018
1018

Ozone (du)

300
299
298
297
296
295
295
294
294
293
292
292
291
291
291
290
290
289
288
287
287
288
288
288

Tuesday 8

Waning Crescent 9%

04:25

18:50

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

Sun - Rise: 06:48, Set: 19:50, Transit: 13:19. Moon - Rise: 04:25, Set: 18:50. Civil Dark: 20:23 - 06:15. Nautical Dark: 21:03 - 05:37. Astro Dark: 21:46 - 04:55

Total Clouds (% Sky Obscured)

82
84
80
78
77
77
77
80
83
87
85
83
79
71
64
57
58
59
61

Low Clouds (% Sky Obscured)

81
79
77
75
70
66
62
67
73
80
84
83
79
71
64
57
58
59
61

Medium Clouds (% Sky Obscured)

41
42
42
40
52
68
77
80
83
87
85
83
79
71
64
57
46
22
0

High Clouds (% Sky Obscured)

65
65
65
55
50
40
40
30
25
20
19
17
10
7
3
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
4
2
4
5
7
7
7

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

Precipitation Probability (%)

33
31
28
32
31
27
25
33
40
45
47
55
71
91
95
95
95
88
67

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
1.1
1.6
1
0.6
0.3

Wind Speed/Direction (mph)

18
18
17
17
16
17
17
18
18
19
20
19
18
18
17
17
16
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
83
83
82
81
79
79
82
85
87
89
90
92
93
95
96
95
96

Pressure (mb)

1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1017
1017
1016

Ozone (du)

289
289
290
291
292
293
295
297
299
301
303
303
302
302
303
304
305
305
304

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

Generated: 02/09/26 06:40:22. Forecast: 02/09/26 to 08/09/26. Timezone: UTC+1.00