Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 5

Waning Gibbous 98%

16:09

09:11

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: 08:02, Set: 16:14, Transit: 12:08. Moon - Rise: 16:09, Set: 09:11. Civil Dark: 16:52 - 07:24. Nautical Dark: 17:34 - 06:42. Astro Dark: 18:13 - 06:03

Total Clouds (% Sky Obscured)

100
100
100
100
97
100
100
100
100
100
97
83
80
84
84
86
94
100
98
100
88
92
97
97

Low Clouds (% Sky Obscured)

32
42
60
90
92
100
99
99
100
100
94
72
67
72
73
71
75
67
77
86
74
84
92
97

Medium Clouds (% Sky Obscured)

99
100
100
100
92
100
92
86
70
60
59
30
22
26
23
73
70
100
96
100
59
45
56
26

High Clouds (% Sky Obscured)

94
31
100
85
94
44
86
78
4
0
0
0
0
0
0
0
0
40
65
100
50
1
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
4
5
3
3
0
1
9
9
9
9
6
7
9
9
9
8
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
1
62
95
95
95
95
95
95
95
94
33
27
73
75
83
67
68
69
68
59
50
49

Precipitation Amount (mm)

0
0
0
0.3
0.6
1.9
1.9
2.2
2.3
2.7
1.8
0.5
0
0
0.4
0.3
0.4
0
0
0.2
0.2
0
0
0

Wind Speed/Direction (mph)

7
7
10
16
18
21
25
28
31
29
25
21
21
21
21
22
22
22
24
25
26
26
25
25

Chance of Frost

Temperature (°C)

6
6
7
7
8
8
8
8
8
9
10
11
10
10
9
9
9
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
78
75
78
81
93
95
95
96
95
84
83
85
84
84
81
81
82
84
82
84
85
85

Pressure (mb)

1005
1004
1004
1003
1002
1001
1000
997
995
993
992
991
992
992
992
992
992
992
992
992
992
992
993
993

Ozone (du)

312
310
303
299
295
289
287
285
287
289
292
293
294
296
300
301
301
299
293
289
290
289
286
287

Saturday 6

Waning Gibbous 93%

17:22

10:18

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: 08:03, Set: 16:14, Transit: 12:09. Moon - Rise: 17:22, Set: 10:18. Civil Dark: 16:52 - 07:25. Nautical Dark: 17:34 - 06:43. Astro Dark: 18:13 - 06:04

Total Clouds (% Sky Obscured)

93
98
89
92
84
90
100
97
72
78
94
100
100
100
100
100
100
100
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

86
93
78
84
73
79
73
69
67
69
51
99
67
60
87
54
72
75
82
71
67
88
87
94

Medium Clouds (% Sky Obscured)

73
94
36
51
42
47
42
15
4
26
40
100
3
39
38
40
70
73
100
100
85
95
87
90

High Clouds (% Sky Obscured)

1
29
1
4
20
2
60
64
33
36
90
100
65
64
100
100
100
97
100
94
100
100
95
80

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
54
50

Precipitation Type

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

Precipitation Probability (%)

58
63
74
59
55
56
49
48
37
16
11
15
20
6
19
6
7
10
14
32
35
58
63
95

Precipitation Amount (mm)

0.2
0.2
0.4
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.8

Wind Speed/Direction (mph)

25
26
27
28
27
27
27
27
25
24
22
20
19
16
15
13
11
10
9
8
8
8
8
10

Chance of Frost

Temperature (°C)

9
9
9
10
10
10
10
10
10
10
10
9
9
9
9
9
9
9
9
9
9
9
10
10

Feels Like (°C)

2
2
1
2
2
2
2
2
3
2
3
3
3
4
4
4
5
5
5
6
7
7
8
7

Dew Point (°C)

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

Relative Humidity (%)

85
87
87
85
85
85
85
85
84
82
81
81
84
84
87
87
91
91
95
95
96
96
98
98

Pressure (mb)

994
994
995
996
997
998
999
999
1000
1001
1001
1002
1003
1003
1004
1004
1005
1004
1004
1004
1003
1003
1002
1001

Ozone (du)

286
287
288
289
291
293
294
292
291
290
293
292
290
289
291
292
291
290
292
291
292
292
291
289

Sunday 7

Waning Gibbous 86%

18:47

11:05

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: 08:05, Set: 16:13, Transit: 12:09. Moon - Rise: 18:47, Set: 11:05. Civil Dark: 16:52 - 07:26. Nautical Dark: 17:34 - 06:44. Astro Dark: 18:13 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
86
75
74
67
93
88
84
79
74
84
93

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
94
87
83
94
85
83
69
72
74
57
84
82
78
74
71
73
71

Medium Clouds (% Sky Obscured)

86
94
100
100
100
100
95
100
99
100
65
51
72
32
34
35
7
12
2
2
1
48
1
4

High Clouds (% Sky Obscured)

100
100
100
100
100
100
85
100
100
100
100
100
90
42
12
5
10
35
50
50
45
45
63
83

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
4
4
1
0
9
9
9
9
9
9
9
9
9
9
8
9
9

Fog (%)

53
53
62
68
79
95
61
69
2
4
0
0
20
21
21
21
21
21
21
21
21
21
21
21

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
83
68
77
53
19
12
4
5
5
12
10
20
17
18
14
9
16
20

Precipitation Amount (mm)

0.8
0.7
0.7
1.2
0.6
1
0.3
0.2
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
14
13
13
15
17
20
22
22
20
16
17
18
16
14
13
11
9
11
13
13
14
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
96
96
96
96
96
96
96
93
91
90
93
93
95
96
96
95
96
98
96
93

Pressure (mb)

1000
1000
999
999
999
998
998
997
997
997
997
998
999
1001
1002
1003
1004
1004
1004
1005
1005
1005
1005
1006

Ozone (du)

291
293
296
296
295
294
295
297
298
303
308
308
309
312
311
311
309
306
304
304
305
309
317
324

Monday 8

Waning Gibbous 77%

20:14

11:37

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: 08:06, Set: 16:13, Transit: 12:09. Moon - Rise: 20:14, Set: 11:37. Civil Dark: 16:52 - 07:27. Nautical Dark: 17:33 - 06:45. Astro Dark: 18:13 - 06:06

Total Clouds (% Sky Obscured)

100
98
95
94
96
98
100
95
91
86
90
96
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

72
70
68
66
67
70
71
75
73
68
68
75
79
84
85
85
91
96
100
99
98
97
98
98

Medium Clouds (% Sky Obscured)

8
48
16
32
59
75
99
90
45
31
37
41
84
98
99
100
100
95
96
78
100
97
99
97

High Clouds (% Sky Obscured)

100
90
85
79
85
90
100
76
65
48
65
84
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
0
0
0
0
0
0
0
0
0
0

Fog (%)

21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

10
22
24
22
28
37
39
40
38
35
28
21
17
23
59
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0.8
1.1
2.3
3.9
6.6
3.1
3.2

Wind Speed/Direction (mph)

15
15
15
15
14
15
16
15
16
16
15
14
14
12
13
14
16
18
20
20
21
23
25
27

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
95
95
96
96
93
88
88
90
93
96
96
96
98
100
98
96
96
98
98
98
98
96

Pressure (mb)

1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1005
1004
1003
1002
1002
1001
1000

Ozone (du)

329
334
334
337
342
340
340
343
338
334
332
329
328
326
320
314
308
308
304
301
298
294
290
290

Tuesday 9

Waning Gibbous 67%

21:38

11:59

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: 08:07, Set: 16:13, Transit: 12:10. Moon - Rise: 21:38, Set: 11:59. Civil Dark: 16:52 - 07:28. Nautical Dark: 17:33 - 06:46. Astro Dark: 18:13 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
98
99
99
100
94
89
83
82
84
82
84
87
87
89
87

Low Clouds (% Sky Obscured)

98
98
97
96
97
99
100
90
81
69
72
73
76
80
83
83
82
84
82
77
76
68
71
70

Medium Clouds (% Sky Obscured)

98
99
99
100
95
89
84
84
84
86
92
97
100
94
89
82
76
64
60
46
42
41
37
34

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
82
80
68
55
46
20
51
32
14
21
23
38
36
26
12
10
9

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
1
1
1
9
4
2
4
3
2
0
3
5
7
8
8
9
7

Fog (%)

21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
38
38
72
66
95
95
95
95
95
95
95
71
28
46
63

Precipitation Amount (mm)

4.2
2.1
1.8
1.2
1.1
1.2
1.1
1
0.6
0
0
0.5
0.4
0.8
1
1.2
1.3
1.4
1.3
0.7
0.3
0
0
0.3

Wind Speed/Direction (mph)

27
29
28
29
29
29
30
30
28
26
26
24
22
21
25
24
23
21
20
18
16
15
14
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
96
96
96
96
96
96
95
90
92
93
95
95
96
96
95
93
90
87
83
80
84

Pressure (mb)

999
998
998
998
998
998
997
997
997
997
998
998
999
999
998
999
1000
1001
1001
1002
1001
1001
1001
1001

Ozone (du)

290
291
290
287
285
285
285
285
285
283
282
282
281
280
281
282
282
284
285
286
286
286
287
289

Wednesday 10

Waning Gibbous 67%

22:56

12:15

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: 08:08, Set: 16:13, Transit: 12:10. Moon - Rise: 22:56, Set: 12:15. Civil Dark: 16:52 - 07:29. Nautical Dark: 17:33 - 06:47. Astro Dark: 18:13 - 06:07

Total Clouds (% Sky Obscured)

87
87
88
89
77
70
68
70
68
66
71
69
66
68
68
72
68
64
60
62
64
67
69
71

Low Clouds (% Sky Obscured)

71
78
83
86
68
50
50
58
58
59
61
64
66
68
68
72
68
64
56
59
61
64
64
64

Medium Clouds (% Sky Obscured)

24
38
51
59
45
38
38
34
30
25
16
7
0
0
1
1
2
3
3
3
3
3
2
1

High Clouds (% Sky Obscured)

9
7
6
4
1
1
0
0
0
0
0
0
0
0
1
4
4
3
1
3
5
7
15
23

ISS Passover

Visibility (miles)

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

Fog (%)

21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21

Precipitation Type

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

Precipitation Probability (%)

77
78
70
60
45
33
23
22
23
20
26
31
41
37
24
2
7
11
10
12
11
9
9
15

Precipitation Amount (mm)

0.4
0.4
0.3
0.2
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
19
18
17
16
17
17
18
17
15
13
11
9
8
8
7
7
9
10
11
11
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
96
93
90
88
87
85
85
84
82
84
85
88
91
93
94
96
95
93
93
93
95
95
95

Pressure (mb)

1001
1001
1003
1005
1007
1008
1009
1010
1011
1011
1012
1013
1013
1014
1015
1015
1016
1016
1016
1015
1015
1015
1015
1014

Ozone (du)

291
293
298
303
308
315
322
329
324
318
313
313
312
311
310
309
309
309
308
308
308
308
307
307

Thursday 11

Third Quarter 57%

00:10

12:28

Sun - Rise: 08:09, Set: 16:13, Transit: 12:11. Moon - Rise: 00:10, Set: 12:28. Civil Dark: 16:52 - 07:30. Nautical Dark: 17:33 - 06:48. Astro Dark: 18:13 - 06:08

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 Upton, Cornwall, United Kingdom (50.54,-4.42)

Generated: 05/12/25 05:09:59. Forecast: 05/12/25 to 11/12/25. Timezone: UTC+0.00