Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 14

Waxing Crescent 13%

12:05

19:59

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

Sun - Rise: 06:38, Set: 19:19, Transit: 12:57. Moon - Rise: 12:05, Set: 19:59. Civil Dark: 19:52 - 06:05. Nautical Dark: 20:33 - 05:24. Astro Dark: 21:15 - 04:42

Total Clouds (% Sky Obscured)

88
87
87
75
69
65
46
26
29
27
42
60
62
64
79
100
100
100
100
100
97
98
89
69

Low Clouds (% Sky Obscured)

63
66
61
67
65
59
46
26
29
27
42
60
62
64
77
72
51
41
39
41
85
96
87
60

Medium Clouds (% Sky Obscured)

14
14
14
2
0
0
0
0
0
0
5
11
7
5
26
69
82
67
3
19
24
97
17
7

High Clouds (% Sky Obscured)

0
0
0
0
1
2
0
0
1
0
0
0
0
0
1
98
100
100
100
100
60
34
1
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
8
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 (%)

0
0
0
13
11
1
1
1
0
0
0
0
0
0
0
0
0
0
6
23
32
25
18
9

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)

9
9
10
10
9
8
8
8
7
6
6
6
6
6
7
8
8
8
9
9
11
11
12
11

Chance of Frost

Temperature (°C)

22
22
23
23
24
23
22
20
19
19
18
18
17
17
17
17
18
17
17
17
18
19
19
19

Feels Like (°C)

21
21
23
24
25
24
22
21
21
20
20
20
19
19
19
18
17
16
16
16
15
17
16
16

Dew Point (°C)

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

Relative Humidity (%)

75
73
69
62
65
72
75
80
88
92
96
95
98
98
98
96
95
95
93
89
82
89
81
81

Pressure (mb)

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

Ozone (du)

287
289
290
291
291
291
290
290
289
289
288
286
286
286
287
285
285
285
286
287
288
294
303
310

Tuesday 15

Waxing Crescent 21%

No Rise

20:18

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

Sun - Rise: 06:40, Set: 19:17, Transit: 12:57. Moon - Rise: No Rise, Set: 20:18. Civil Dark: 19:50 - 06:06. Nautical Dark: 20:30 - 05:26. Astro Dark: 21:13 - 04:44

Total Clouds (% Sky Obscured)

32
39
46
43
36
31
23
15
0
0
2
4
26
16
8
2
40
14
22
28
72
89
100
97

Low Clouds (% Sky Obscured)

27
35
40
43
36
25
20
13
0
0
2
0
18
16
7
1
22
9
12
17
72
89
100
92

Medium Clouds (% Sky Obscured)

0
0
2
0
0
0
0
0
0
0
0
2
12
0
2
0
0
0
0
0
0
2
7
9

High Clouds (% Sky Obscured)

0
0
0
2
2
2
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
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
2
2

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)

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

Chance of Frost

Temperature (°C)

21
22
22
21
20
19
17
16
14
13
12
12
12
12
11
11
11
11
11
12
14
15
16
16

Feels Like (°C)

19
19
19
17
16
16
16
15
14
12
12
11
11
10
11
10
10
10
11
11
12
12
12
13

Dew Point (°C)

13
9
9
7
7
8
8
9
9
9
8
8
9
9
10
10
10
10
10
9
8
8
9
10

Relative Humidity (%)

59
45
44
41
44
47
54
63
68
74
76
77
80
86
88
90
93
95
95
84
67
62
66
66

Pressure (mb)

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

Ozone (du)

317
320
320
322
321
324
325
327
329
331
330
333
335
338
339
341
342
341
341
341
341
340
339
335

Wednesday 16

Waxing Crescent 30%

13:20

20:43

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:41, Set: 19:14, Transit: 12:57. Moon - Rise: 13:20, Set: 20:43. Civil Dark: 19:48 - 06:08. Nautical Dark: 20:28 - 05:28. Astro Dark: 21:10 - 04:46

Total Clouds (% Sky Obscured)

91
76
100
93
99
99
100
57
100
100
100
100
100
89
99
99
100
100
100
100
100
94
89
82

Low Clouds (% Sky Obscured)

87
67
83
85
75
61
71
45
24
0
0
35
75
34
98
81
79
87
85
91
94
87
81
79

Medium Clouds (% Sky Obscured)

6
3
2
3
2
1
0
4
25
36
97
100
98
67
91
87
97
100
100
100
100
34
9
5

High Clouds (% Sky Obscured)

0
0
75
15
96
94
100
29
100
100
100
100
100
15
20
79
100
100
99
99
98
67
36
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
9
7
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 (%)

2
7
0
0
1
0
0
1
0
3
26
31
18
0
0
1
22
31
32
50
49
40
34
28

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

Chance of Frost

Temperature (°C)

16
18
18
18
18
18
17
15
14
13
13
12
12
12
12
12
12
13
13
14
15
15
16
17

Feels Like (°C)

13
15
16
15
15
15
14
12
12
10
10
10
10
10
9
9
9
9
10
11
12
12
13
14

Dew Point (°C)

10
10
8
8
9
9
9
9
8
9
9
9
9
9
9
9
9
9
10
11
13
13
14
16

Relative Humidity (%)

66
60
52
52
55
55
59
65
68
74
79
79
79
79
80
79
80
77
82
84
89
89
89
92

Pressure (mb)

1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1016
1016
1015
1014
1013
1013
1012
1012
1011
1011
1010
1010

Ozone (du)

333
327
322
319
316
312
309
307
306
303
301
300
300
303
302
301
302
305
305
305
303
304
305
305

Thursday 17

Waxing Crescent 39%

14:29

21:18

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

Sun - Rise: 06:43, Set: 19:12, Transit: 12:56. Moon - Rise: 14:29, Set: 21:18. Civil Dark: 19:45 - 06:10. Nautical Dark: 20:25 - 05:30. Astro Dark: 21:07 - 04:48

Total Clouds (% Sky Obscured)

80
78
75
61
49
37
40
35
24
16
9
1
1
2
4
4
4
23
39
73
89
84
78
75

Low Clouds (% Sky Obscured)

49
42
28
25
11
0
0
0
1
2
2
1
1
2
1
2
4
5
8
12
14
21
27
35

Medium Clouds (% Sky Obscured)

2
1
0
61
49
37
40
35
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

5
5
5
5
5
10
10
12
1
0
0
0
0
0
2
2
1
23
37
73
81
63
40
25

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 (%)

35
16
4
2
1
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)

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

Chance of Frost

Temperature (°C)

18
19
19
19
18
17
16
14
13
12
11
11
10
10
10
10
9
9
9
10
12
14
15
17

Feels Like (°C)

16
16
15
15
14
13
12
11
11
11
11
10
10
9
10
9
9
8
7
9
10
11
12
13

Dew Point (°C)

16
12
9
7
7
8
8
8
8
8
8
8
9
9
9
9
8
8
8
8
8
8
7
6

Relative Humidity (%)

83
64
53
45
49
55
59
64
71
76
79
84
91
93
95
95
95
95
93
87
76
68
58
50

Pressure (mb)

1010
1010
1009
1009
1010
1010
1010
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015

Ozone (du)

306
307
306
306
307
308
308
309
308
308
309
311
313
310
308
305
303
302
300
299
298
295
293
290

Friday 18

First Quarter 49%

15:29

22:04

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:45, Set: 19:10, Transit: 12:56. Moon - Rise: 15:29, Set: 22:04. Civil Dark: 19:43 - 06:11. Nautical Dark: 20:23 - 05:32. Astro Dark: 21:05 - 04:50

Total Clouds (% Sky Obscured)

74
87
93
96
98
100
100
100
100
100
99
99
96
94
93
95
97
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

40
55
62
62
85
91
93
95
96
95
93
93
80
70
61
70
81
90
94
97
100
98
97
94

Medium Clouds (% Sky Obscured)

9
12
92
86
98
100
100
100
99
71
46
14
15
27
27
28
29
17
16
19
18
35
52
68

High Clouds (% Sky Obscured)

19
20
5
46
71
97
78
59
38
23
67
82
69
62
51
55
58
61
73
83
95
96
97
97

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
9
56
69
33
12
10
16
13
19
13
7
10
10
8
15
13
7
11
11
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
8
9
10
10
10
12
14
14
14
14
14
15
14
14
14
14
14
14
14
15
15
15
15

Relative Humidity (%)

47
50
53
56
58
64
78
86
89
89
90
89
92
92
92
92
92
92
92
89
87
85
82
81

Pressure (mb)

1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

287
286
286
288
289
291
292
295
299
300
299
297
296
295
294
293
292
292
291
290
289
288
287
286

Saturday 19

Waxing Gibbous 59%

16:16

23:03

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:46, Set: 19:07, Transit: 12:56. Moon - Rise: 16:16, Set: 23:03. Civil Dark: 19:41 - 06:13. Nautical Dark: 20:20 - 05:33. Astro Dark: 21:02 - 04:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
91
81
75
80
86
90
90
91
91
93
93
95
95
96
98
99
99
100

Low Clouds (% Sky Obscured)

96
98
100
95
90
87
64
41
16
11
5
0
0
0
0
0
0
0
1
2
3
28
54
79

Medium Clouds (% Sky Obscured)

68
70
70
65
61
55
40
32
24
24
23
23
38
52
64
66
72
78
59
39
16
15
11
10

High Clouds (% Sky Obscured)

95
92
90
94
97
100
85
60
35
51
69
84
79
79
91
93
93
95
95
96
95
77
61
44

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 (%)

14
23
29
27
27
27
22
15
1
1
1
0
1
1
0
0
0
0
0
0
0
0
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)

14
14
13
13
12
12
11
10
10
9
8
7
6
6
6
5
5
5
4
5
7
8
8
9

Chance of Frost

Temperature (°C)

19
19
19
18
18
18
18
17
16
15
14
14
13
13
12
12
12
12
12
13
15
16
17
18

Feels Like (°C)

15
17
17
17
16
16
16
15
14
15
14
14
14
11
11
12
12
11
12
11
11
12
13
14

Dew Point (°C)

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

Relative Humidity (%)

78
80
80
81
82
83
85
86
87
90
93
93
95
95
96
96
95
95
95
84
76
67
71
72

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1018
1019
1019
1020
1021
1021
1022
1022
1022
1023
1023
1024
1024
1025
1025
1025
1026

Ozone (du)

285
285
285
285
286
287
288
287
286
285
285
286
286
285
284
283
283
283
283
282
281
281
279
278

Sunday 20

Waxing Gibbous 68%

16:52

00:11

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
06 Bad

Sun - Rise: 06:48, Set: 19:05, Transit: 12:55. Moon - Rise: 16:52, Set: 00:11. Civil Dark: 19:38 - 06:14. Nautical Dark: 20:18 - 05:35. Astro Dark: 20:59 - 04:54

Total Clouds (% Sky Obscured)

95
91
87
92
96
99
94
92
89
86
83
66
64
58
47
57
43
38

Low Clouds (% Sky Obscured)

77
75
73
64
55
46
35
23
12
13
13
14
9
9
9
9
9
13

Medium Clouds (% Sky Obscured)

8
11
10
10
9
9
5
5
0
0
0
5
4
3
5
6
7
7

High Clouds (% Sky Obscured)

42
32
19
38
59
77
64
53
42
29
16
4
12
22
28
32
38
38

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

7
11
13
13
10
3
10
15
19
19
20
21
25
32
38
31
20
11

Precipitation Amount (mm)

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
11
9
8
7
6
6
6
6
5
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
71
68
63
68
72
78
82
87
92
92
93
93
93
93
93
93
93

Pressure (mb)

1026
1025
1025
1025
1025
1025
1026
1026
1026
1027
1027
1027
1026
1026
1026
1025
1025
1026

Ozone (du)

276
275
275
274
273
272
271
271
271
271
271
272
272
274
275
276
276
276

Forecast for Bray Court, Windsor and Maidenhead, United Kingdom (51.50,-0.70)

Generated: 14/09/26 13:55:33. Forecast: 14/09/26 to 20/09/26. Timezone: UTC+1.00