Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waning Crescent 3%

05:48

14:53

03 Bad
04 Bad
05 Bad
06 OK
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 OK
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:34, Set: 16:10, Transit: 11:52. Moon - Rise: 05:48, Set: 14:53. Civil Dark: 16:48 - 06:56. Nautical Dark: 17:30 - 06:14. Astro Dark: 18:10 - 05:34

Total Clouds (% Sky Obscured)

49
64
76
25
64
48
86
88
82
95
92
94
94
89
90
82
89
86
82
20
37
91
97
90

Low Clouds (% Sky Obscured)

49
64
49
10
47
32
35
45
22
37
33
46
40
36
56
33
44
62
36
20
30
82
87
84

Medium Clouds (% Sky Obscured)

35
40
3
0
16
29
37
36
31
50
85
94
92
75
77
49
23
16
13
0
0
37
44
49

High Clouds (% Sky Obscured)

0
0
0
2
38
48
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
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
11
1
0
0
5
8
10
12
24
29
16
31
8
14
25
26
10
15
28
61
53

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
0.4
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-2
-2
-3
-2
-2
-1
1
1
1
2
2
2
2
2
2
2
1
1
1
-1
-0
-1

Dew Point (°C)

-2
-2
-1
-0
-0
-0
-1
0
1
1
3
4
4
4
4
3
4
4
3
3
2
2
3
1

Relative Humidity (%)

89
89
88
89
91
91
83
79
76
74
79
84
84
84
86
83
88
90
85
83
83
80
88
80

Pressure (mb)

1023
1022
1022
1021
1021
1020
1020
1019
1018
1016
1015
1014
1013
1012
1011
1011
1010
1010
1009
1009
1008
1008
1008
1009

Ozone (du)

280
281
276
272
267
268
272
272
271
273
276
276
274
272
274
273
278
279
285
289
299
300
296
297

Wednesday 19

Waning Crescent 1%

07:02

15:10

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

Sun - Rise: 07:36, Set: 16:08, Transit: 11:52. Moon - Rise: 07:02, Set: 15:10. Civil Dark: 16:47 - 06:58. Nautical Dark: 17:29 - 06:16. Astro Dark: 18:09 - 05:35

Total Clouds (% Sky Obscured)

94
99
93
94
88
77
84
43
37
47
11
5
5
5
1
0
0
0
0
0
0
22
30
25

Low Clouds (% Sky Obscured)

75
83
81
54
47
58
44
32
36
45
7
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

92
98
92
69
82
77
84
43
20
45
11
5
5
5
1
0
0
0
0
0
0
13
18
16

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
0
0
4
6
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
Snow
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

25
39
58
53
49
17
1
0
0
9
10
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
14
16
15
16
16
16
16
16
17
15
14
14
12
11
11
11
10
10
10
9
8
7
7

Chance of Frost

Temperature (°C)

4
4
3
3
3
3
3
3
4
4
4
4
4
3
2
1
1
0
0
-0
-0
-1
-1
-1

Feels Like (°C)

-0
-2
-3
-3
-4
-4
-3
-3
-3
-2
-2
-2
-2
-3
-4
-3
-3
-4
-4
-3
-3
-4
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

82
75
94
94
85
89
80
79
73
75
77
75
71
70
70
71
70
69
67
68
70
72
75
77

Pressure (mb)

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

Ozone (du)

297
301
309
325
335
337
329
321
318
318
320
322
321
320
318
312
317
324
326
327
322
320
317
317

Thursday 20

New Moon 0%

08:16

15:32

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

Sun - Rise: 07:38, Set: 16:07, Transit: 11:52. Moon - Rise: 08:16, Set: 15:32. Civil Dark: 16:46 - 06:59. Nautical Dark: 17:28 - 06:17. Astro Dark: 18:08 - 05:37

Total Clouds (% Sky Obscured)

0
0
0
0
0
13
20
25
22
5
3
0
0
7
2
3
10
2
2
3
3
2
4
6

Low Clouds (% Sky Obscured)

0
0
0
0
0
12
14
20
6
1
0
0
0
7
0
0
1
0
0
1
1
0
0
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
3
20
25
22
4
3
0
0
2
2
3
10
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
2
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
6
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
1
3
5
32
14
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
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
-1
-0
1
2
3
4
4
4
2
2
1
1
1
1
0
0
0
-0
-1

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-6
-6
-6
-6
-4
-3
-1
-4
-4
-4
-4
-4
-5
-4
-4
-4
-4
-4
-3
-3
-3
-3

Relative Humidity (%)

77
75
70
70
71
72
77
76
80
60
57
56
56
62
64
66
70
71
73
75
77
80
81
81

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1020
1020
1021
1022
1022
1022
1023
1023
1023

Ozone (du)

314
313
315
320
316
322
328
326
323
312
309
309
308
309
311
309
309
308
306
305
303
299
296
292

Friday 21

Waxing Crescent 2%

09:27

16:03

03 Good
04 OK
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

Sun - Rise: 07:39, Set: 16:06, Transit: 11:53. Moon - Rise: 09:27, Set: 16:03. Civil Dark: 16:45 - 07:01. Nautical Dark: 17:27 - 06:18. Astro Dark: 18:07 - 05:38

Total Clouds (% Sky Obscured)

13
34
64
73
66
82
87
93
100
94
88
83
88
93
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
27
46
72
82
91
100
98
97
95

Medium Clouds (% Sky Obscured)

2
2
58
11
20
30
61
81
73
78
71
71
79
87
94
95
96
98
98
99
100
100
100
100

High Clouds (% Sky Obscured)

11
26
45
31
15
5
40
72
100
80
60
44
68
85
100
100
100
100
100
99
100
100
70
84

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
3
3
5
3
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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
15
33
68
86
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.6
1.1
1.2
1.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-3
-3
-3
-3
-3
-3
-3
-3
-2
-2
-2
-1
-1
-0
-0
0
0
1
2
3
3
3
4

Relative Humidity (%)

84
84
84
83
86
87
81
74
70
68
67
68
73
79
82
82
82
82
85
91
93
94
94
94

Pressure (mb)

1024
1024
1024
1025
1025
1025
1026
1025
1025
1025
1024
1023
1023
1022
1022
1021
1020
1019
1018
1017
1016
1015
1014
1013

Ozone (du)

289
287
287
287
286
286
286
285
281
278
277
272
269
270
271
269
263
258
258
263
269
270
278
286

Saturday 22

Waxing Crescent 5%

10:29

16:48

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

Sun - Rise: 07:41, Set: 16:05, Transit: 11:53. Moon - Rise: 10:29, Set: 16:48. Civil Dark: 16:44 - 07:02. Nautical Dark: 17:26 - 06:20. Astro Dark: 18:07 - 05:39

Total Clouds (% Sky Obscured)

100
100
100
86
72
43
46
57
62
72
73
89
75
61
45
47
68
90
90
86
82
86
92
96

Low Clouds (% Sky Obscured)

94
94
94
80
67
43
37
35
27
32
40
47
46
41
35
22
29
37
31
24
18
27
35
44

Medium Clouds (% Sky Obscured)

99
99
97
75
23
0
10
20
32
39
43
47
47
55
13
31
40
48
50
51
51
57
65
70

High Clouds (% Sky Obscured)

37
18
0
0
0
0
1
4
4
25
16
36
27
8
23
38
27
20
12
5
1
16
30
45

ISS Passover

Visibility (miles)

7
2
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

Light Rain
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
None

Precipitation Probability (%)

95
95
62
42
22
4
5
3
0
5
12
20
20
17
4
0
0
0
8
12
14
18
23
32

Precipitation Amount (mm)

1.4
0.9
0.3
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
5
5
3
4
4
4
5
7
9
8
8
7
6
6
6
4
4
4
4
4
4
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
5
5
5
5
4
4
4
4
5
5
5
5
5
4
4
3
2
2
2
2
2
3
3

Relative Humidity (%)

94
98
98
96
96
94
94
88
82
81
79
79
84
90
90
91
91
91
91
91
93
93
93
93

Pressure (mb)

1012
1012
1012
1011
1011
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1011
1011
1011
1010

Ozone (du)

288
287
289
289
294
295
295
292
290
290
290
288
285
284
284
283
281
279
277
277
277
278
275
273

Sunday 23

Waxing Crescent 10%

11:18

17:46

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

Sun - Rise: 07:42, Set: 16:04, Transit: 11:53. Moon - Rise: 11:18, Set: 17:46. Civil Dark: 16:43 - 07:04. Nautical Dark: 17:25 - 06:21. Astro Dark: 18:06 - 05:41

Total Clouds (% Sky Obscured)

95
94
93
86
76
70
54
56
59
59
58
63
64
65
67
68
72
73
70
56
58
54
61
65

Low Clouds (% Sky Obscured)

57
67
78
75
72
66
54
56
49
49
52
61
48
37
24
19
11
1
8
17
25
35
44
54

Medium Clouds (% Sky Obscured)

58
45
29
16
10
5
4
2
1
2
2
3
4
6
7
21
36
50
59
56
58
54
61
65

High Clouds (% Sky Obscured)

28
14
0
0
0
0
2
2
3
3
2
1
7
10
22
29
32
35
30
30
50
54
60
60

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
7
5

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

Precipitation Probability (%)

54
64
68
57
42
14
9
4
1
3
2
1
1
1
0
0
0
0
2
5
12
43
64
81

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
8
8
9
8
7
7
8
8
9
8
8
7
7
6
5
5
5
6
7
8
9
11
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
93
93
91
88
85
81
84
85
87
90
91
93
93
91
91
93
93
91
93
93

Pressure (mb)

1010
1009
1009
1008
1008
1008
1008
1007
1007
1007
1006
1006
1005
1005
1004
1004
1003
1003
1002
1001
1000
999
998
996

Ozone (du)

270
272
274
276
276
277
277
278
279
280
278
277
275
274
273
273
272
272
271
273
274
276
276
277

Monday 24

Waxing Crescent 17%

11:55

18:56

Sun - Rise: 07:44, Set: 16:03, Transit: 11:54. Moon - Rise: 11:55, Set: 18:56. Civil Dark: 16:42 - 07:05. Nautical Dark: 17:24 - 06:23. Astro Dark: 18:05 - 05:42

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

Generated: 18/11/25 03:12:18. Forecast: 18/11/25 to 24/11/25. Timezone: UTC+0.00