Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waning Crescent 3%

05:56

15:13

21 Good
22 OK
23 OK
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
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:40, Set: 16:30, Transit: 12:05. Moon - Rise: 05:56, Set: 15:13. Civil Dark: 17:06 - 07:04. Nautical Dark: 17:46 - 06:24. Astro Dark: 18:25 - 05:45

Total Clouds (% Sky Obscured)

14
25
43
59
100
98
81
67
93
77
99
80
86
97
95
100
94
88
87
87
84
94
95
87

Low Clouds (% Sky Obscured)

14
25
43
59
100
95
80
65
93
61
97
72
82
79
31
63
62
63
59
61
64
53
69
65

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
12
21
25
29
44
36
43
37
31
29
28
24
38
35
27

High Clouds (% Sky Obscured)

7
7
43
59
98
98
81
67
76
77
75
6
2
21
80
4
0
0
0
0
0
0
0
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
7
9
7
6
4

Fog (%)

16
17
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
1
1
6
24
29
34
28
15
11
33
40
56
60
63
56
47
47
54
65
64

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
3
3
2
2
3
3
4
4
5
5
6
6
7
9
11
13
14
13
12
11
11
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
1
1
0
0
1
2
2
2
2
2
3
6
7
6
5
6
6
5
4
4
3
3

Dew Point (°C)

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

Relative Humidity (%)

73
74
73
72
73
76
72
72
75
79
82
79
75
70
67
67
73
78
81
77
75
74
74
74

Pressure (mb)

1028
1027
1027
1027
1026
1026
1025
1024
1023
1023
1023
1022
1022
1022
1021
1020
1019
1018
1017
1017
1016
1016
1015
1015

Ozone (du)

264
267
272
271
269
272
275
271
270
270
271
268
266
268
267
261
263
264
264
264
264
263
267
272

Tuesday 18

Waning Crescent 1%

07:07

15:32

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:42, Set: 16:29, Transit: 12:05. Moon - Rise: 07:07, Set: 15:32. Civil Dark: 17:05 - 07:05. Nautical Dark: 17:45 - 06:25. Astro Dark: 18:24 - 05:46

Total Clouds (% Sky Obscured)

89
78
80
60
96
76
70
69
85
77
83
86
66
39
37
33
91
100
84
79
100
100
100
100

Low Clouds (% Sky Obscured)

69
70
63
56
83
72
63
64
59
64
62
65
51
32
35
26
37
54
63
63
72
72
73
73

Medium Clouds (% Sky Obscured)

29
29
18
0
50
0
0
2
38
39
54
30
15
0
0
5
68
72
67
49
83
92
87
97

High Clouds (% Sky Obscured)

0
3
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
6
9
8
3
1
5
5
7
8
7
9
9
9
9
3
1
0
1
0
0
0

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

Precipitation Probability (%)

52
60
50
50
47
43
67
78
76
75
66
55
37
26
16
34
61
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0.3
0
0.2
0
0
0.4
0.5
0.4
0.5
0.4
0.4
0
0
0
0
0.3
0.9
1.1
1
1.1
1.2
1.1
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
71
73
67
77
77
71
71
77
76
74
71
67
65
55
56
55
57
81
75
71
72
75
75

Pressure (mb)

1015
1014
1013
1013
1013
1013
1013
1013
1013
1014
1015
1016
1016
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019

Ozone (du)

270
272
268
267
269
271
277
290
299
299
295
296
301
312
327
329
324
317
315
317
321
323
321
322

Wednesday 19

Waning Crescent 0%

08:19

15:57

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:43, Set: 16:28, Transit: 12:05. Moon - Rise: 08:19, Set: 15:57. Civil Dark: 17:04 - 07:07. Nautical Dark: 17:44 - 06:26. Astro Dark: 18:23 - 05:48

Total Clouds (% Sky Obscured)

100
99
88
92
100
100
100
98
94
100
100
100
100
100
95
97
94
88
83
81
78
69
63
58

Low Clouds (% Sky Obscured)

59
55
68
66
65
62
67
65
69
69
69
71
75
72
69
71
65
69
62
62
48
44
42
39

Medium Clouds (% Sky Obscured)

100
96
69
82
73
79
63
81
82
100
82
68
81
74
42
76
77
76
75
67
70
27
27
50

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)

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

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
88
86
74
73
75
77
73
80
82
87
85
83
81
83
82
82
79
71
68
64

Precipitation Amount (mm)

1
1
1
0.9
0.7
0.7
0.5
0.5
0.5
0.6
0.5
0.6
0.6
0.7
0.7
0.7
0.6
0.7
0.7
0.8
0.7
0.5
0.5
0.5

Wind Speed/Direction (mph)

12
12
12
12
13
14
15
15
14
14
14
12
13
14
14
14
14
14
14
13
11
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
76
79
79
73
67
67
62
62
63
62
62
65
67
70
70
70
70
71
72
75
75
73
73

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1022
1022
1023
1024
1024

Ozone (du)

326
331
330
328
325
324
321
321
321
320
318
316
314
314
313
311
311
309
302
298
295
293
294
293

Thursday 20

New Moon 2%

09:27

16:30

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:45, Set: 16:27, Transit: 12:06. Moon - Rise: 09:27, Set: 16:30. Civil Dark: 17:03 - 07:08. Nautical Dark: 17:44 - 06:28. Astro Dark: 18:22 - 05:49

Total Clouds (% Sky Obscured)

59
55
62
76
90
100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

34
31
29
31
33
35
35
34
37
57
75
82
77
66
62
60
87
89
93
96
100
100
100
100

Medium Clouds (% Sky Obscured)

40
0
0
17
37
55
55
55
55
50
50
99
99
99
99
99
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

3
6
10
29
82
100
55
92
86
85
84
80
88
94
100
100
100
100
86
100
100
100
100
100

ISS Passover

Visibility (miles)

6
7
9
9
9
9
9
7
9
9
9
9
9
9
9
9
9
9
9
9
5
5
6
3

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

Precipitation Probability (%)

49
47
32
23
23
18
20
22
13
13
1
2
2
3
4
23
39
52
61
76
94
95
95
95

Precipitation Amount (mm)

0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.6
0.8
1.5
1.9

Wind Speed/Direction (mph)

9
6
5
4
3
3
2
2
2
2
2
2
3
4
5
7
8
9
11
11
12
13
16
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
-0
-1
-1
-2
-2
-2
-2
-1
0
1
1
1
1
2
2
2
3
3
4
5
7
7
9

Relative Humidity (%)

75
75
75
74
74
74
74
73
77
80
80
77
76
72
70
66
67
68
71
74
79
87
88
93

Pressure (mb)

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

Ozone (du)

293
292
291
290
287
286
287
287
286
283
279
278
270
260
266
266
267
267
268
272
277
277
279
285

Friday 21

Waxing Crescent 5%

10:28

17:16

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:46, Set: 16:26, Transit: 12:06. Moon - Rise: 10:28, Set: 17:16. Civil Dark: 17:02 - 07:10. Nautical Dark: 17:43 - 06:29. Astro Dark: 18:22 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
97
93
90
87
81
78
84
89
96
83
55
53
59
66
75
82
89
95
78
58
44

Low Clouds (% Sky Obscured)

90
81
70
72
72
69
71
67
65
51
49
58
52
55
53
59
66
68
64
59
54
47
41
31

Medium Clouds (% Sky Obscured)

100
100
100
84
70
61
61
65
65
75
84
94
70
22
19
24
33
45
60
73
86
58
34
24

High Clouds (% Sky Obscured)

100
100
100
77
50
30
20
20
30
30
4
1
1
0
0
0
0
0
20
44
69
70
58
44

ISS Passover

Visibility (miles)

8
4
3
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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

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

Precipitation Probability (%)

95
95
95
69
45
23
19
15
21
18
21
28
37
42
54
63
49
30
51
71
85
68
50
36

Precipitation Amount (mm)

1.6
1.3
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0.2
0.5
0.7
0.4
0.2
0

Wind Speed/Direction (mph)

20
16
14
11
11
11
11
10
10
9
8
8
7
9
12
15
14
12
12
10
9
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
95
93
90
90
88
88
87
87
88
87
83
78
77
77
77
78
80
81
84
84
84

Pressure (mb)

1016
1016
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1011
1011
1011
1010
1011
1011

Ozone (du)

294
295
292
291
291
291
291
291
290
289
291
287
288
289
288
290
288
286
284
284
284
284
283
283

Saturday 22

Waxing Crescent 10%

11:18

18:13

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:48, Set: 16:25, Transit: 12:06. Moon - Rise: 11:18, Set: 18:13. Civil Dark: 17:01 - 07:11. Nautical Dark: 17:42 - 06:30. Astro Dark: 18:21 - 05:52

Total Clouds (% Sky Obscured)

63
78
95
96
98
100
100
100
100
100
100
100
98
99
98
99
99
99
99
100
100
98
97
95

Low Clouds (% Sky Obscured)

52
72
93
93
92
90
82
73
64
76
87
99
95
91
87
85
83
81
84
87
90
90
90
90

Medium Clouds (% Sky Obscured)

41
45
49
55
53
35
21
16
17
38
58
80
75
68
63
57
51
40
35
37
46
61
75
87

High Clouds (% Sky Obscured)

63
78
90
91
87
73
77
87
100
99
97
96
92
93
92
90
87
84
91
95
100
75
43
10

ISS Passover

Visibility (miles)

8
8
7
7
8
9
9
9
9
9
9
9
9
9
9
9
8
8
7
8
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

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

Precipitation Probability (%)

38
43
49
47
46
54
54
53
54
68
79
89
88
85
82
76
72
70
66
58
45
43
42
48

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.2
0.2
0.3
0.4
0.5
0.6
0.6
0.5
0.4
0.4
0.4
0.5
0.4
0.3
0
0
0
0

Wind Speed/Direction (mph)

6
8
10
11
13
14
14
13
12
12
10
10
9
8
7
6
6
6
7
6
6
5
7
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
81
77
74
73
73
73
72
70
70
72
74
76
74
72
71
73
76
78
80
81
82
82
84

Pressure (mb)

1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1008
1008
1007
1006
1006
1005
1004
1004
1004
1003

Ozone (du)

282
282
282
282
281
281
280
278
277
275
274
273
272
270
269
268
267
267
266
267
268
269
271
273

Sunday 23

Waxing Crescent 17%

11:56

19:21

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: 07:49, Set: 16:24, Transit: 12:07. Moon - Rise: 11:56, Set: 19:21. Civil Dark: 17:01 - 07:12. Nautical Dark: 17:41 - 06:32. Astro Dark: 18:20 - 05:53

Total Clouds (% Sky Obscured)

88
81
78
86
91
93
92
93
95
97
97
95
87
80
73
58
43
28
32
36
43

Low Clouds (% Sky Obscured)

78
67
61
74
81
83
81
73
57
59
62
67
63
58
53
55
43
28
32
36
42

Medium Clouds (% Sky Obscured)

84
76
72
74
75
76
74
76
84
82
77
69
62
55
48
40
31
20
24
29
38

High Clouds (% Sky Obscured)

0
0
5
5
5
5
8
10
8
8
7
5
4
2
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

51
53
56
60
58
62
81
95
95
95
95
95
88
76
66
62
64
70
65
60
60

Precipitation Amount (mm)

0
0
0.2
0.2
0
0.2
0.4
0.7
0.9
1
1
0.8
0.5
0.4
0.4
0.3
0.3
0.5
0.4
0.3
0.3

Wind Speed/Direction (mph)

11
11
12
12
12
13
14
14
14
15
16
17
19
21
23
26
26
26
26
25
25

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
9
9
9
9
8
8
8
9
9
9
9
9
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
87
88
93
91
90
90
91
93
95
93
90
88
79
72
67
65
64
64
67
68

Pressure (mb)

1003
1003
1003
1002
1002
1001
1001
1000
999
999
999
999
999
999
999
999
999
999
999
1000
1000

Ozone (du)

275
277
279
281
284
288
291
291
292
292
293
294
295
299
304
308
312
317
321
322
323

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

Generated: 17/11/25 21:53:07. Forecast: 17/11/25 to 23/11/25. Timezone: UTC+0.00