Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 5

Waning Gibbous 98%

17:01

10:10

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:54, Set: 15:56, Transit: 11:55. Moon - Rise: 17:01, Set: 10:10. Civil Dark: 16:35 - 07:14. Nautical Dark: 17:18 - 06:32. Astro Dark: 17:58 - 05:51

Total Clouds (% Sky Obscured)

100
100
100
93
74
78
100
100
100
100
100
100
100
100
100
100
100
87
86
85
70
57
100
80

Low Clouds (% Sky Obscured)

79
70
63
74
74
57
58
60
61
60
54
58
65
67
70
66
74
78
77
73
66
57
62
52

Medium Clouds (% Sky Obscured)

78
67
16
51
50
23
100
100
100
100
100
89
83
66
100
30
36
75
71
81
63
3
3
0

High Clouds (% Sky Obscured)

0
2
40
31
0
13
100
100
100
97
100
64
75
98
100
55
95
55
60
12
2
3
40
56

ISS Passover

Visibility (miles)

4
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

Very 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
None
None
None

Precipitation Probability (%)

73
45
8
66
43
16
39
39
45
46
21
33
29
28
10
15
22
32
26
25
17
5
13
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
84
82
78
85
80
84
85
87
84
85
85
82
81
81
83
86
84
81
81
81
83
84
84

Pressure (mb)

993
993
993
993
993
992
993
993
992
992
993
993
994
994
995
995
995
996
997
998
999
1000
1001
1001

Ozone (du)

297
299
298
298
298
297
292
289
290
291
288
287
285
282
280
281
280
283
283
285
282
282
282
283

Saturday 6

Waning Gibbous 93%

18:27

10:57

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:55, Set: 15:55, Transit: 11:55. Moon - Rise: 18:27, Set: 10:57. Civil Dark: 16:35 - 07:15. Nautical Dark: 17:17 - 06:33. Astro Dark: 17:58 - 05:52

Total Clouds (% Sky Obscured)

100
93
82
84
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
95
100
100
98

Low Clouds (% Sky Obscured)

53
38
41
40
30
32
47
80
88
84
80
90
100
100
96
88
99
83
73
90
88
64
65
85

Medium Clouds (% Sky Obscured)

0
0
0
55
60
77
99
97
100
99
100
100
97
89
96
100
100
100
100
95
40
46
35
27

High Clouds (% Sky Obscured)

100
92
78
79
99
100
100
100
100
100
100
72
98
100
100
100
100
100
100
49
37
41
57
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
5
3
2
4
3
3
3
5
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
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

1
0
0
0
0
0
5
7
37
83
95
95
91
95
95
95
95
95
82
24
17
14
5
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.5
0.9
0.7
0.6
0.8
1.4
0.9
1.3
0.9
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

15
14
12
11
10
8
6
6
5
6
7
7
10
13
14
11
13
16
17
19
20
21
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
6
6
6
6
8
9
9
10
10
10
11
12
13
13
13
13
12
11
10

Relative Humidity (%)

81
84
85
88
90
91
93
93
94
96
98
98
96
96
96
98
96
95
93
93
92
89
84
82

Pressure (mb)

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

Ozone (du)

286
286
285
286
284
284
285
287
287
288
288
287
287
285
285
285
286
286
287
291
294
297
299
303

Sunday 7

Waning Gibbous 86%

19:55

11:27

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:56, Set: 15:55, Transit: 11:55. Moon - Rise: 19:55, Set: 11:27. Civil Dark: 16:35 - 07:16. Nautical Dark: 17:17 - 06:34. Astro Dark: 17:58 - 05:53

Total Clouds (% Sky Obscured)

100
98
100
89
84
79
76
82
93
88
90
87
80
74
100
98
98
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

89
72
66
66
66
69
56
58
67
73
65
61
66
67
66
87
81
75
72
73
70
65
64
66

Medium Clouds (% Sky Obscured)

10
0
8
17
84
79
8
12
18
88
80
80
70
65
100
90
93
96
100
38
20
5
55
77

High Clouds (% Sky Obscured)

100
63
72
35
2
30
30
33
40
48
82
78
63
25
100
23
48
74
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

5
3
15
1
0
0
0
3
0
0
6
5
5
20
20
45
78
88
56
23
38
51
39
79

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
12
11
11
10
10
10
11
11
12
12
12
12
12
12
12
12
12
11
11
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
79
83
87
90
93
95
93
93
93
90
90
90
88
87
86
90
92
92
93
95
95
92
92

Pressure (mb)

1002
1003
1004
1005
1005
1005
1006
1006
1006
1006
1007
1007
1007
1008
1009
1009
1009
1009
1010
1010
1010
1009
1009
1010

Ozone (du)

307
308
310
307
306
304
303
302
304
308
310
315
316
321
322
324
327
326
328
327
326
325
324
321

Monday 8

Waning Gibbous 77%

19:55

11:48

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:57, Set: 15:55, Transit: 11:56. Moon - Rise: 19:55, Set: 11:48. Civil Dark: 16:35 - 07:17. Nautical Dark: 17:17 - 06:35. Astro Dark: 17:58 - 05:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
98
98
97
96
96

Low Clouds (% Sky Obscured)

71
65
62
60
64
68
73
68
64
58
68
79
90
86
84
82
76
69
65
69
69
69
65
64

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
97
98
98
97
95
92
80
70

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
78
52
28
35
49
67
72
77
83
79
83

ISS Passover

Visibility (miles)

4
3
3
4
3
4
5
7
9
6
9
9
7
8
9
6
7
3
6
4
3
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
91
65
70
63
62
77
57
29
29
20

Precipitation Amount (mm)

1
0.9
1
0.9
0.7
0.6
0.7
0.9
0.7
0.6
0.8
0.9
0.9
0.9
0.5
0.2
0.3
0.3
0.3
0.5
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
93
95
95
93
93
93
93
93
93
92
93
93
93
93
93
92
92
92
92
90
89
87

Pressure (mb)

1010
1009
1008
1008
1007
1006
1006
1005
1004
1003
1003
1002
1002
1001
1001
1001
1001
1001
1001
1001
1002
1002
1002
1002

Ozone (du)

320
318
318
318
314
314
311
304
297
296
295
293
293
291
290
288
288
286
285
284
284
284
284
284

Tuesday 9

Waning Gibbous 67%

21:20

12:03

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:58, Set: 15:55, Transit: 11:56. Moon - Rise: 21:20, Set: 12:03. Civil Dark: 16:34 - 07:18. Nautical Dark: 17:17 - 06:35. Astro Dark: 17:58 - 05:55

Total Clouds (% Sky Obscured)

95
96
97
99
87
68
62
55
56
55
70
69
64
56
48
43
50
57
64
56
49
41
43
48

Low Clouds (% Sky Obscured)

56
57
61
65
63
58
57
55
54
53
45
47
49
47
45
43
50
57
60
50
43
34
34
37

Medium Clouds (% Sky Obscured)

58
48
30
2
2
0
1
0
0
0
7
2
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

84
88
74
97
52
26
0
0
0
1
9
16
17
10
7
5
2
1
0
0
0
0
0
0

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 (%)

17
2
0
0
0
6
14
6
14
2
9
10
9
6
5
2
6
8
5
11
13
10
10
3

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
22
22
22
20
19
18
16
15
14
13
11
11
12
13
13
13
13
13
12
11
11
11

Chance of Frost

Temperature (°C)

12
12
12
12
11
11
10
10
10
10
9
10
10
10
10
11
12
11
11
11
10
10
9
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
84
80
87
86
81
84
83
82
78
81
80
81
80
80
81
81
81
83
83
85
87
90
90

Pressure (mb)

1002
1002
1002
1001
1002
1004
1006
1007
1008
1009
1010
1009
1010
1011
1011
1011
1012
1012
1012
1013
1014
1014
1015
1016

Ozone (du)

283
286
290
288
288
289
289
288
289
290
293
297
300
304
307
309
312
314
317
319
321
323
326
322

Wednesday 10

Waning Gibbous 57%

22:40

12:15

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
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

Sun - Rise: 07:59, Set: 15:55, Transit: 11:57. Moon - Rise: 22:40, Set: 12:15. Civil Dark: 16:34 - 07:19. Nautical Dark: 17:17 - 06:36. Astro Dark: 17:58 - 05:56

Total Clouds (% Sky Obscured)

52
50
50
51
48
44
43
47
52
56
62
70
76
73
70
69
71
75
73
81
88
92
89
86

Low Clouds (% Sky Obscured)

40
40
40
40
37
36
33
39
42
45
50
62
68
63
69
68
69
71
72
77
82
87
75
63

Medium Clouds (% Sky Obscured)

0
0
0
0
9
16
16
26
38
56
62
70
76
73
70
68
71
73
73
69
55
38
28
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
9
15
37
44
58
51
43
40
41
41
51
41
41
50
60
59

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
1
1
2
2
5
6
5
3
0
1
1
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
91
94
94
93
94
93
94
93
94
93
91
90
88
87
85
87
87
88
91
93
95
91

Pressure (mb)

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

Ozone (du)

319
316
313
310
307
308
309
310
308
306
305
305
304
304
304
304
303
303
303
303
302
301
301
299

Thursday 11

Third Quarter 46%

23:55

12:25

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: 08:00, Set: 15:55, Transit: 11:57. Moon - Rise: 23:55, Set: 12:25. Civil Dark: 16:34 - 07:20. Nautical Dark: 17:17 - 06:37. Astro Dark: 17:58 - 05:57

Total Clouds (% Sky Obscured)

81
81
80
78
86
95
100
97
98
96
96
97
98
98
99
100

Low Clouds (% Sky Obscured)

63
61
60
58
71
80
84
65
49
29
36
38
47
59
72
85

Medium Clouds (% Sky Obscured)

7
5
2
0
5
9
14
27
40
49
63
77
91
91
93
94

High Clouds (% Sky Obscured)

44
44
45
45
20
5
5
5
5
5
5
10
10
47
78
100

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
0
3
4
3
3
5
4
4
4
2
15
28
35

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
87
87
87
85
84
84
84
84
84
82
82
82
82
81

Pressure (mb)

1016
1015
1014
1014
1013
1012
1011
1010
1010
1009
1008
1008
1008
1007
1007
1007

Ozone (du)

298
297
298
298
298
300
302
304
305
307
308
309
310
311
312
313

Forecast for Shinfield, Wokingham, United Kingdom (51.42,-0.94)

Generated: 05/12/25 20:32:20. Forecast: 05/12/25 to 11/12/25. Timezone: UTC+0.00