Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 28

Waning Gibbous 93%

19:00

10:53

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

Sun - Rise: 07:05, Set: 18:51, Transit: 12:57. Moon - Rise: 19:00, Set: 10:53. Civil Dark: 19:24 - 06:32. Nautical Dark: 20:04 - 05:52. Astro Dark: 20:45 - 05:11

Total Clouds (% Sky Obscured)

39
53
63
77
70
60
55
49
3
0
0
0
31
31
53
91
97
96
98
95
95
97
96
100

Low Clouds (% Sky Obscured)

29
21
28
21
15
0
0
5
3
0
0
0
31
31
53
83
90
91
90
86
83
91
53
59

Medium Clouds (% Sky Obscured)

3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
33
43
37
31
20
24
23

High Clouds (% Sky Obscured)

39
53
63
52
50
50
40
35
0
0
0
0
0
1
3
22
35
40
45
38
2
19
80
100

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
Very Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
14
53
67
78
28
3
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.7
0
0
0

Wind Speed/Direction (mph)

2
3
4
4
5
6
6
6
6
7
7
7
6
6
6
6
7
8
8
9
11
12
16
15

Chance of Frost

Temperature (°C)

18
18
18
17
17
16
14
12
11
11
11
10
10
9
10
10
11
12
12
13
15
16
18
20

Feels Like (°C)

16
16
16
15
15
14
12
10
9
9
9
10
9
8
10
10
9
9
10
11
12
13
15
17

Dew Point (°C)

8
7
7
6
7
7
7
6
5
6
7
7
7
8
9
9
10
11
11
12
13
14
15
16

Relative Humidity (%)

51
48
48
48
49
56
62
63
65
69
76
81
84
88
93
95
95
95
95
95
92
92
83
79

Pressure (mb)

1021
1021
1021
1020
1020
1020
1021
1021
1021
1021
1021
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1015
1014
1013

Ozone (du)

312
313
315
315
316
315
316
315
317
314
312
310
309
308
304
301
301
301
300
299
299
298
298
298

Tuesday 29

Waning Gibbous 86%

19:20

12:23

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 OK
11 OK
12 OK

Sun - Rise: 07:07, Set: 18:48, Transit: 12:56. Moon - Rise: 19:20, Set: 12:23. Civil Dark: 19:22 - 06:33. Nautical Dark: 20:02 - 05:54. Astro Dark: 20:42 - 05:13

Total Clouds (% Sky Obscured)

100
100
100
76
84
91
89
90
77
83
83
100
100
100
100
100
100
100
100
79
63
27
37
39

Low Clouds (% Sky Obscured)

88
45
36
25
10
18
51
13
45
38
0
2
26
50
60
62
75
92
80
79
55
17
21
12

Medium Clouds (% Sky Obscured)

24
49
42
18
66
57
76
52
50
30
79
100
88
93
99
100
100
100
85
19
50
9
19
25

High Clouds (% Sky Obscured)

100
100
100
60
48
84
70
66
30
31
51
87
97
100
100
100
87
100
100
7
5
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
9
9
9
9
5
9
9
6
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

0
3
1
0
0
3
2
0
1
14
18
0
1
3
26
75
85
95
82
95
27
3
2
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
1.8
0.4
0.6
0
0
0
0

Wind Speed/Direction (mph)

15
15
14
14
14
14
14
14
14
14
14
15
14
14
13
14
15
15
15
14
14
13
15
16

Chance of Frost

Temperature (°C)

21
22
23
24
24
23
22
21
20
20
20
19
20
20
20
20
19
19
19
19
18
19
20
20

Feels Like (°C)

19
20
21
22
22
22
20
18
18
18
17
17
18
18
18
18
17
16
15
15
16
16
17
17

Dew Point (°C)

16
17
16
16
16
16
16
15
15
15
16
17
17
17
17
17
17
17
16
16
16
15
13
11

Relative Humidity (%)

73
71
62
59
59
63
70
67
74
75
81
85
86
86
81
82
85
86
86
86
86
80
67
56

Pressure (mb)

1013
1012
1011
1011
1010
1010
1010
1010
1009
1009
1008
1008
1007
1006
1006
1006
1006
1006
1006
1007
1008
1009
1010
1010

Ozone (du)

296
294
292
291
286
284
281
280
279
278
277
276
275
275
275
276
277
278
278
280
281
283
286
287

Wednesday 30

Waning Gibbous 76%

19:49

No Set

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

Sun - Rise: 07:09, Set: 18:46, Transit: 12:56. Moon - Rise: 19:49, Set: No Set. Civil Dark: 19:20 - 06:35. Nautical Dark: 19:59 - 05:55. Astro Dark: 20:40 - 05:15

Total Clouds (% Sky Obscured)

22
21
14
19
18
11
8
15
44
56
84
82
87
73
79
83
73
75
26
17
12
12
13
14

Low Clouds (% Sky Obscured)

16
17
13
18
16
11
5
10
14
27
39
38
76
52
59
53
47
42
26
17
12
12
13
14

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
2
4
7
56
70
65
51
53
72
60
55
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
3
3
28
33
58
70
0
69
65
18
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 (%)

2
2
1
1
3
2
0
0
0
0
0
0
0
1
2
1
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)

17
17
17
17
15
12
8
8
8
8
7
6
6
7
6
6
5
5
6
7
8
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
43
41
42
47
53
62
68
75
80
87
92
89
89
92
92
92
93
93
90
80
69
59
50

Pressure (mb)

1011
1011
1011
1012
1012
1013
1014
1014
1015
1016
1016
1016
1016
1016
1017
1017
1017
1018
1019
1020
1021
1021
1022
1023

Ozone (du)

288
290
291
291
291
292
292
294
294
295
297
299
302
304
306
307
308
310
314
313
313
315
317
312

Thursday 1

Waning Gibbous 66%

20:31

13:47

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

Sun - Rise: 07:10, Set: 18:44, Transit: 12:56. Moon - Rise: 20:31, Set: 13:47. Civil Dark: 19:17 - 06:37. Nautical Dark: 19:57 - 05:57. Astro Dark: 20:37 - 05:17

Total Clouds (% Sky Obscured)

20
78
76
19
9
0
15
31
60
52
56
59
45
36
22
35
51
80
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

20
25
15
8
5
0
0
0
0
0
0
0
7
15
22
29
33
36
34
32
27
29
31
31

Medium Clouds (% Sky Obscured)

1
1
6
5
4
0
0
0
0
1
1
2
1
1
0
0
5
7
15
23
31
30
31
34

High Clouds (% Sky Obscured)

5
75
70
9
0
0
12
26
52
47
42
48
38
20
6
20
33
70
99
97
100
100
100
100

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
5
11
14

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
5
5
5
6
7
7
8
9
9
9
9
9
10
9
10
10
11
11
11
11
10
10

Relative Humidity (%)

46
43
42
40
42
48
57
64
71
76
80
81
83
84
86
86
89
92
93
92
82
73
65
60

Pressure (mb)

1023
1023
1023
1024
1024
1025
1026
1026
1027
1027
1027
1027
1028
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028

Ozone (du)

310
309
308
310
310
308
306
306
306
306
304
302
302
301
300
299
298
299
299
300
299
298
298
299

Friday 2

Waning Gibbous 54%

21:31

14:58

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: 07:12, Set: 18:41, Transit: 12:55. Moon - Rise: 21:31, Set: 14:58. Civil Dark: 19:15 - 06:38. Nautical Dark: 19:54 - 05:59. Astro Dark: 20:35 - 05:19

Total Clouds (% Sky Obscured)

98
96
94
89
85
76
85
91
100
93
85
76
84
93
100
100
100
100
100
100
99
99
99
98

Low Clouds (% Sky Obscured)

41
60
83
82
78
34
21
22
19
27
37
44
47
52
52
57
58
63
63
64
65
58
44
30

Medium Clouds (% Sky Obscured)

30
70
23
11
7
8
35
8
8
51
25
4
4
4
4
8
12
16
20
24
28
31
36
40

High Clouds (% Sky Obscured)

93
87
75
62
49
55
58
77
100
76
48
23
27
40
72
92
97
100
99
98
97
96
94
92

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 (%)

24
30
27
33
31
20
23
20
0
2
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)

15
14
14
13
11
9
6
5
5
5
5
4
4
3
3
3
3
3
3
4
4
5
6
7

Chance of Frost

Temperature (°C)

18
18
18
18
17
17
15
15
14
13
13
12
12
11
11
11
11
11
11
12
13
15
16
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
53
54
56
61
62
73
80
84
87
87
89
90
92
91
93
93
91
91
86
80
74
69
64

Pressure (mb)

1028
1028
1027
1027
1028
1028
1028
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

300
300
300
299
297
297
296
296
296
296
296
296
296
296
296
296
296
296
296
296
296
296
297
298

Saturday 3

Third Quarter 42%

22:48

15:49

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: 07:14, Set: 18:39, Transit: 12:55. Moon - Rise: 22:48, Set: 15:49. Civil Dark: 19:13 - 06:40. Nautical Dark: 19:52 - 06:01. Astro Dark: 20:32 - 05:20

Total Clouds (% Sky Obscured)

99
100
100
95
93
85
89
93
97
96
95
93
83
72
58
66
69
75
77
85
89
94
98
100

Low Clouds (% Sky Obscured)

26
30
34
48
63
83
87
88
93
89
88
86
74
62
54
52
53
54
61
66
70
63
59
60

Medium Clouds (% Sky Obscured)

31
22
13
12
8
1
6
13
20
19
15
10
6
3
0
0
0
0
0
0
0
10
20
30

High Clouds (% Sky Obscured)

95
97
100
75
50
26
18
10
1
2
4
7
13
16
19
35
52
68
74
79
82
88
92
95

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
4
9
11
11
8
1
5
6
8
8
3
0
2
6
7
5
2
1
7
8
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
58
56
55
56
59
61
63
66
68
71
71
73
74
77
78
78
80
80
77
73
70
65
61

Pressure (mb)

1030
1029
1029
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1029
1029
1029
1029
1030
1030
1029

Ozone (du)

299
301
303
305
305
304
304
303
302
301
301
300
299
298
297
296
295
294
293
293
293
292
292
292

Sunday 4

Waning Crescent 31%

00:15

16:24

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: 07:15, Set: 18:37, Transit: 12:55. Moon - Rise: 00:15, Set: 16:24. Civil Dark: 19:10 - 06:42. Nautical Dark: 19:50 - 06:02. Astro Dark: 20:30 - 05:22

Total Clouds (% Sky Obscured)

87
75
63
74
84
95
97
99
100
100
100
100
92
85
77
75
72
70

Low Clouds (% Sky Obscured)

55
48
40
56
71
88
75
59
45
41
39
46
47
50
52
43
36
26

Medium Clouds (% Sky Obscured)

34
39
44
36
31
27
23
14
12
10
7
9
7
4
2
4
5
6

High Clouds (% Sky Obscured)

80
65
50
48
50
35
30
25
26
28
30
37
47
40
35
41
48
62

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 (%)

5
4
2
6
8
3
7
7
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
54
52
49
51
52
54
55
55
57
58
60
61
65
70
72
77
81

Pressure (mb)

1029
1029
1029
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028

Ozone (du)

292
292
291
291
290
290
289
288
287
286
284
283
282
281
281
280
279
278

Forecast for Henley in Arden, Warwickshire, United Kingdom (52.29,-1.78)

Generated: 28/09/26 12:49:30. Forecast: 28/09/26 to 04/10/26. Timezone: UTC+1.00