Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 5

Waning Gibbous 98%

16:09

10:03

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:51, Set: 16:11, Transit: 12:01. Moon - Rise: 16:09, Set: 10:03. Civil Dark: 16:48 - 07:14. Nautical Dark: 17:29 - 06:33. Astro Dark: 18:08 - 05:55

Total Clouds (% Sky Obscured)

86
88
88
92
71
72
72
68
65
56
94
78
85
60
100
99
95
96
96
78
97
100
100
100

Low Clouds (% Sky Obscured)

86
88
79
85
53
56
54
51
65
56
62
49
75
37
64
62
66
64
58
41
43
45
41
40

Medium Clouds (% Sky Obscured)

42
87
21
20
19
13
15
18
0
7
3
30
25
60
45
44
35
42
42
27
4
0
65
61

High Clouds (% Sky Obscured)

59
9
4
3
0
0
0
0
0
56
81
17
1
0
57
60
47
5
0
30
81
100
100
100

ISS Passover

Visibility (miles)

5
2
5
9
9
9
9
8
6
9
7
8
9
9
9
9
9
8
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

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

Precipitation Probability (%)

95
95
77
77
48
35
58
84
60
65
54
51
73
54
57
56
57
60
52
40
28
17
25
25

Precipitation Amount (mm)

1
1
0.4
0.7
0
0
0.3
0.6
0.3
0.3
0
0
0.5
0
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

30
33
40
30
29
28
28
30
32
31
33
33
34
34
34
34
34
34
33
33
33
32
31
30

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
92
80
79
79
79
79
80
77
76
75
76
75
77
77
79
80
80
77
79
77
76
75

Pressure (mb)

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

Ozone (du)

289
288
291
292
292
293
297
300
301
301
296
292
292
293
291
292
290
293
294
296
294
292
290
289

Saturday 6

Waning Gibbous 93%

17:21

10:51

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:52, Set: 16:11, Transit: 12:01. Moon - Rise: 17:21, Set: 10:51. Civil Dark: 16:48 - 07:15. Nautical Dark: 17:29 - 06:34. Astro Dark: 18:07 - 05:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

46
51
63
85
78
62
58
50
72
64
53
86
96
92
100
93
99
95
91
100
86
91
92
90

Medium Clouds (% Sky Obscured)

99
96
90
92
75
72
91
87
100
95
99
100
99
100
100
97
99
93
100
96
100
99
94
98

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
100
100
100
100
96
100
100
88
100
100
89
95
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
3
3
3
2
3
7
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
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
None
None

Precipitation Probability (%)

33
42
41
49
50
36
28
33
40
41
64
95
95
95
95
95
95
95
80
60
95
80
24
19

Precipitation Amount (mm)

0
0
0
0.2
0.3
0
0
0
0
0
0.2
0.6
1.2
2
1.5
1.9
1.4
0.7
0.4
0
0.6
0.4
0
0

Wind Speed/Direction (mph)

29
26
27
25
25
22
23
21
21
22
20
19
20
20
22
22
23
26
27
28
29
29
30
30

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
79
79
80
80
81
80
84
87
89
89
86
89
93
95
95
96
96
93
90
89
87
84
83

Pressure (mb)

1005
1006
1006
1007
1007
1007
1008
1008
1007
1007
1007
1007
1006
1005
1004
1003
1003
1003
1004
1004
1004
1004
1004
1003

Ozone (du)

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

Sunday 7

Waning Gibbous 86%

18:45

11:24

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:53, Set: 16:11, Transit: 12:02. Moon - Rise: 18:45, Set: 11:24. Civil Dark: 16:48 - 07:16. Nautical Dark: 17:29 - 06:35. Astro Dark: 18:07 - 05:56

Total Clouds (% Sky Obscured)

100
100
100
100
92
84
100
74
92
100
90
100
100
100
100
100
99
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
69
51
55
76
67
71
68
59
71
77
56
69
65
65
63
61
58
55
52
49
43
38
32

Medium Clouds (% Sky Obscured)

100
97
100
38
15
0
0
7
5
34
74
100
100
100
100
91
83
74
76
72
75
76
79
83

High Clouds (% Sky Obscured)

100
93
100
100
67
66
38
13
92
100
77
100
100
100
100
99
99
98
98
99
100
100
100
100

ISS Passover

Visibility (miles)

9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
7
5
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
Very Light Rain
None
None
None
None

Precipitation Probability (%)

36
30
18
19
8
5
4
17
10
27
39
11
19
4
4
12
16
17
23
51
46
37
39
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

33
34
36
30
28
25
21
20
19
18
18
19
19
20
20
19
20
21
22
23
21
22
19
18

Chance of Frost

Temperature (°C)

15
15
15
15
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
86
86
87
87
86
87
89
90
90
89
90
90
89
89
87
89
89
87
93
92
93
92

Pressure (mb)

1003
1003
1004
1005
1006
1007
1007
1008
1008
1009
1009
1010
1010
1010
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012

Ozone (du)

298
300
305
308
311
312
311
309
305
301
299
301
303
306
311
310
315
319
323
326
330
331
331
329

Monday 8

Waning Gibbous 77%

20:10

11:48

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:54, Set: 16:10, Transit: 12:02. Moon - Rise: 20:10, Set: 11:48. Civil Dark: 16:48 - 07:17. Nautical Dark: 17:29 - 06:36. Astro Dark: 18:07 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
97

Low Clouds (% Sky Obscured)

37
45
51
58
67
73
62
50
39
33
28
26
47
70
90
84
78
72
73
74
75
72
69
67

Medium Clouds (% Sky Obscured)

89
94
100
100
100
100
100
100
100
100
100
99
100
100
100
98
97
96
96
97
97
96
95
94

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
92
86
69
46
25

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

48
68
78
93
95
95
95
95
95
70
69
39
57
79
82
82
70
54
48
53
48
61
74
80

Precipitation Amount (mm)

0
0.2
0.4
0.6
0.7
1
1.1
1.1
0.7
0.3
0.4
0
0.2
0.4
0.5
0.5
0.4
0.2
0
0
0
0.2
0.4
0.4

Wind Speed/Direction (mph)

18
21
22
23
25
25
27
27
29
30
31
30
30
28
28
28
27
28
28
28
27
27
28
29

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
13
13
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
92
92
92
93
92
89
84
83
86
87
92
93
92
92
90
92
90
92
92
92
90

Pressure (mb)

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

Ozone (du)

329
326
320
316
313
308
307
306
305
303
299
295
292
290
287
287
285
283
282
279
278
279
279
279

Tuesday 9

Waning Gibbous 67%

21:33

12:05

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:55, Set: 16:10, Transit: 12:03. Moon - Rise: 21:33, Set: 12:05. Civil Dark: 16:48 - 07:18. Nautical Dark: 17:29 - 06:37. Astro Dark: 18:07 - 05:58

Total Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
89
78
65
70
72
77
62
51
39

Low Clouds (% Sky Obscured)

77
88
97
88
81
72
63
54
46
49
55
56
66
70
76
63
53
44
45
46
47
51
51
39

Medium Clouds (% Sky Obscured)

93
93
93
95
98
100
97
94
91
80
71
61
67
73
73
69
65
57
54
52
39
26
13
0

High Clouds (% Sky Obscured)

18
23
6
4
9
22
30
68
100
99
98
97
97
98
100
68
37
0
0
0
3
2
2
0

ISS Passover

Visibility (miles)

5
9
6
9
9
6
6
3
5
8
9
9
9
9
9
8
8
8
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

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

Precipitation Probability (%)

69
60
55
54
63
82
91
92
84
64
47
31
34
36
38
36
31
32
32
33
32
26
21
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

29
29
30
29
22
18
17
15
11
11
13
14
16
16
17
17
17
17
17
17
18
19
19
20

Chance of Frost

Temperature (°C)

14
14
14
14
14
13
13
13
13
13
13
13
13
13
13
13
13
13
12
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
89
84
87
92
89
87
89
89
89
89
87
87
86
86
84
84
84
84
83
81
80
79
77

Pressure (mb)

1004
1004
1004
1005
1005
1006
1007
1008
1008
1008
1009
1009
1010
1010
1011
1011
1012
1012
1013
1014
1014
1015
1015
1016

Ozone (du)

282
281
282
284
285
286
288
289
289
288
289
290
290
292
294
296
297
299
301
304
307
309
315
320

Wednesday 10

Waning Gibbous 57%

22:50

12:19

15 Bad
16 Bad
17 OK
18 OK
19 OK
20 OK
21 OK
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

Sun - Rise: 07:56, Set: 16:10, Transit: 12:03. Moon - Rise: 22:50, Set: 12:19. Civil Dark: 16:48 - 07:19. Nautical Dark: 17:29 - 06:38. Astro Dark: 18:07 - 05:59

Total Clouds (% Sky Obscured)

29
25
16
16
25
29
33
34
38
48
58
62
65
69
69
62
63
61
65
68
71
71
73
74

Low Clouds (% Sky Obscured)

29
25
16
16
25
29
33
34
38
48
58
62
62
54
45
48
51
53
58
57
59
58
56
58

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
2
7
12
15
17
24
26
33
36
46
31
16
1
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
2
7
15
38
44
49
45
23
18
22
18
14
15

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 (%)

23
22
16
13
12
6
6
6
6
7
7
9
6
6
6
4
4
0
2
2
0
1
1
1

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)

21
21
20
19
19
18
17
16
15
15
15
16
17
16
16
17
17
18
19
20
21
23
23
24

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
75
73
72
72
71
71
71
70
70
73
76
79
79
79
80
80
81
81
81
83
83
83
81

Pressure (mb)

1016
1017
1018
1018
1019
1020
1021
1021
1021
1021
1021
1021
1022
1021
1021
1021
1021
1020
1020
1019
1019
1018
1017
1016

Ozone (du)

326
325
324
323
318
314
310
310
310
310
308
307
306
305
305
304
305
305
305
304
304
303
301
299

Thursday 11

Third Quarter 46%

00:03

12:32

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: 07:57, Set: 16:10, Transit: 12:04. Moon - Rise: 00:03, Set: 12:32. Civil Dark: 16:48 - 07:20. Nautical Dark: 17:29 - 06:39. Astro Dark: 18:07 - 06:00

Total Clouds (% Sky Obscured)

68
63
54
63
72
82
85
88
91
88
85
82
88
94
100

Low Clouds (% Sky Obscured)

52
47
42
51
59
68
76
81
86
81
75
69
66
62
58

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
16
35
52
45
37
20

High Clouds (% Sky Obscured)

20
40
50
55
65
65
65
65
60
60
55
50
67
87
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
6
4
6
8

Fog (%)

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
Very Light Rain
None

Precipitation Probability (%)

1
4
4
5
7
8
9
8
3
25
41
55
59
55
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

25
26
26
27
28
29
29
28
27
27
26
26
25
23
23

Chance of Frost

Temperature (°C)

12
12
12
12
11
11
11
11
12
12
12
12
12
12
12

Feels Like (°C)

4
4
4
5
4
4
4
3
3
3
4
4
4
4
4

Dew Point (°C)

8
9
9
9
9
8
9
9
9
10
10
10
10
9
8

Relative Humidity (%)

80
81
81
81
83
83
84
83
83
84
86
89
90
84
80

Pressure (mb)

1015
1014
1013
1013
1012
1011
1010
1009
1008
1007
1007
1006
1005
1005
1005

Ozone (du)

297
297
297
297
298
299
300
303
305
307
308
310
312
313
315

Forecast for Salerie, Guernsey (49.46,-2.53)

Generated: 05/12/25 15:00:55. Forecast: 05/12/25 to 11/12/25. Timezone: UTC+0.00