Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 11

Waning Gibbous 50%

22:21

13:47

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:20, Set: 16:21, Transit: 11:51. Moon - Rise: 22:21, Set: 13:47. Civil Dark: 16:57 - 06:44. Nautical Dark: 17:38 - 06:04. Astro Dark: 18:18 - 05:24

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

72
68
74
92
86
80
92
87
92
93
86
86
84
88
92
86
84
71
67
77
66
64
71
54

Medium Clouds (% Sky Obscured)

100
99
91
100
96
95
100
100
99
94
91
99
100
93
100
100
97
96
91
68
63
48
66
43

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
94
100
100
100
44
28
9
89
95
95
94
99
98

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

60
95
95
95
95
95
87
76
81
64
62
48
74
63
95
95
95
44
43
33
13
8
8
6

Precipitation Amount (mm)

0.2
1
0.7
0.8
0.9
0.4
0.5
0.3
0.4
0.3
0.4
0
0.3
0
0.8
1.5
0.7
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
19
20
23
23
21
21
17
15
15
13
12
14
13
13
14
15
16
14
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
82
83
87
84
87
86
93
93
92
93
95
93
95
95
93
95
93
92
93
93
92
90
89

Pressure (mb)

1001
1000
1000
1000
1001
1001
1001
1001
1002
1002
1002
1002
1002
1003
1003
1003
1004
1004
1003
1003
1003
1003
1003
1003

Ozone (du)

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

Wednesday 12

Third Quarter 39%

23:42

14:00

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:22, Set: 16:20, Transit: 11:51. Moon - Rise: 23:42, Set: 14:00. Civil Dark: 16:56 - 06:46. Nautical Dark: 17:37 - 06:05. Astro Dark: 18:17 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
81
66
63
94
94
100
97
100
100
100

Low Clouds (% Sky Obscured)

58
58
57
54
55
70
79
58
59
68
72
82
88
81
81
65
63
55
57
67
54
43
40
60

Medium Clouds (% Sky Obscured)

83
79
89
83
94
99
91
99
98
74
62
95
77
92
45
40
44
2
12
2
77
100
100
91

High Clouds (% Sky Obscured)

100
100
100
100
100
100
82
84
83
94
65
50
14
26
6
9
14
83
79
100
91
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 (%)

4
11
3
5
13
16
31
40
42
32
16
22
11
12
2
0
0
0
0
0
0
0
0
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
12
13
13
13
12
11
11
11
11
11
11
11
10
11
11
12
12
11
10
9
7
5
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
86
89
90
90
90
92
90
92
93
93
93
93
92
87
86
84
80
80
82
84
90
93

Pressure (mb)

1003
1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1004
1004
1005
1006
1006
1007
1007
1007
1007
1008
1008
1008

Ozone (du)

274
274
272
273
272
272
272
272
274
276
277
279
279
281
282
284
285
286
286
287
287
289
289
289

Thursday 13

Waning Crescent 29%

00:57

14:11

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:24, Set: 16:18, Transit: 11:51. Moon - Rise: 00:57, Set: 14:11. Civil Dark: 16:55 - 06:47. Nautical Dark: 17:35 - 06:06. Astro Dark: 18:16 - 05:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

63
61
65
74
67
60
71
90
95
93
97
91
92
94
93
95
100
94
95
96
97
98
99
100

Medium Clouds (% Sky Obscured)

73
98
100
100
100
100
100
100
100
99
98
93
100
100
100
100
97
99
99
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
59
66
64
48
86
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
6
9
5
7
4
5
9
9
4
3
2
0
0
0
1
1
1
0
0
0
0

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
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

6
12
44
70
73
83
95
93
82
84
95
95
95
95
95
95
94
95
88
83
84
95
95
95

Precipitation Amount (mm)

0
0
0
0.4
0.3
0.5
0.9
0.7
0.6
0.4
1
1
2.7
2
1.7
1.9
0.3
0.6
0.4
0.3
0.4
0.5
2
1.1

Wind Speed/Direction (mph)

4
3
4
3
3
4
6
7
9
12
13
15
15
17
18
18
17
18
17
17
17
18
18
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
96
96
96
98
98
96
96
93
95
95
96
96
96
96
96
96
96
96
96
98
96

Pressure (mb)

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

Ozone (du)

291
291
292
293
293
295
296
294
292
291
290
289
287
289
290
291
293
294
292
290
290
291
289
291

Friday 14

Waning Crescent 21%

02:10

14:21

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:25, Set: 16:17, Transit: 11:51. Moon - Rise: 02:10, Set: 14:21. Civil Dark: 16:54 - 06:49. Nautical Dark: 17:34 - 06:08. Astro Dark: 18:15 - 05:29

Total Clouds (% Sky Obscured)

100
100
100
100
88
85
79
87
99
100
99
100
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
99
88
85
79
87
99
100
99
100
99
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
48
48
39
28
23
36
44
62
51
35
24
19
10
21
6
47
7
6
4
2

High Clouds (% Sky Obscured)

97
94
91
90
88
85
61
32
0
0
0
1
22
45
63
63
77
80
58
30
2
38
71
100

ISS Passover

Visibility (miles)

2
2
0
1
9
9
9
6
1
0
1
2
9
3
7
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
Moderate Rain
Light Rain
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
None

Precipitation Probability (%)

95
95
95
95
95
94
91
76
59
45
32
11
18
17
5
7
6
3
3
3
2
3
3
2

Precipitation Amount (mm)

2.2
3.8
1.3
0.6
0.5
0.6
0.6
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
13
11
11
10
9
9
10
12
12
11
11
11
11
11
12
12
12
12
12
11
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
100
98
98
96
95
98
98
98
98
96
96
96
96
95
91
93
93
91
91
91
93
93

Pressure (mb)

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

Ozone (du)

292
290
289
293
293
292
292
292
293
294
295
294
292
292
293
294
294
292
293
294
296
295
294
294

Saturday 15

Waning Crescent 13%

03:22

14:31

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:27, Set: 16:15, Transit: 11:51. Moon - Rise: 03:22, Set: 14:31. Civil Dark: 16:52 - 06:50. Nautical Dark: 17:33 - 06:09. Astro Dark: 18:14 - 05:30

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
98
96
93
96
98
100
99
98
96
97
97
98

Medium Clouds (% Sky Obscured)

4
6
8
42
54
60
67
73
76
77
70
55
71
67
64
46
30
16
20
19
17
18
22
20

High Clouds (% Sky Obscured)

72
42
30
16
23
30
35
20
25
4
3
20
55
30
20
8
6
4
3
2
2
2
4
2

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 (%)

4
7
7
13
24
36
45
49
41
46
36
32
43
39
31
25
19
15
13
12
9
9
9
8

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
12
12
12
11
11
11
11
13
14
14
12
12
11
12
13
13
14
14
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
91
93
93
95
95
95
95
95
95
93
91
91
91
93
88
85
84
84
82
82
82
82

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1006
1007
1007
1007
1007
1007
1007
1008
1008
1009
1009

Ozone (du)

293
295
296
294
294
295
296
296
295
295
296
296
298
300
302
304
304
304
304
305
305
306
307
308

Sunday 16

Waning Crescent 7%

04:33

14:43

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

Sun - Rise: 07:29, Set: 16:14, Transit: 11:52. Moon - Rise: 04:33, Set: 14:43. Civil Dark: 16:51 - 06:52. Nautical Dark: 17:32 - 06:11. Astro Dark: 18:13 - 05:31

Total Clouds (% Sky Obscured)

90
80
70
56
42
31
33
43
49
56
60
60
61
59
42
33
15
11
13
14
10
38
68
95

Low Clouds (% Sky Obscured)

84
71
60
52
38
23
21
18
16
17
18
18
13
8
1
1
0
0
0
0
0
6
13
19

Medium Clouds (% Sky Obscured)

14
7
5
5
4
3
13
21
23
44
60
60
61
59
42
33
15
3
3
4
4
31
58
90

High Clouds (% Sky Obscured)

2
1
0
2
2
0
0
0
0
0
0
6
14
8
0
0
0
1
1
0
0
29
57
86

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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 (%)

8
6
1
0
0
0
0
0
0
0
0
0
0
1
2
7
7
7
7
4
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
81
79
78
79
82
83
82
80
77
80
81
83
84
86
86
83
80
78
75
72
68
71
73

Pressure (mb)

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

Ozone (du)

309
306
303
300
294
287
281
281
280
280
285
289
294
295
297
299
300
300
301
302
303
304
307
311

Monday 17

Waning Crescent 3%

05:45

14:56

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 OK
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good

Sun - Rise: 07:31, Set: 16:13, Transit: 11:52. Moon - Rise: 05:45, Set: 14:56. Civil Dark: 16:50 - 06:53. Nautical Dark: 17:31 - 06:12. Astro Dark: 18:12 - 05:33

Total Clouds (% Sky Obscured)

91
87
82
65
47
31
22
17
11
9
5
5
3
2
3
7
12
16

Low Clouds (% Sky Obscured)

18
16
14
20
26
31
22
17
11
9
5
5
3
2
3
7
11
13

Medium Clouds (% Sky Obscured)

82
75
69
49
28
8
5
3
0
0
0
0
0
0
0
7
12
16

High Clouds (% Sky Obscured)

58
30
2
1
1
0
0
0
0
0
0
0
2
2
3
7
12
16

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 (%)

1
3
5
13
19
24
21
15
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
77
79
77
78
77
75
75
73
74
74
74
71
70
69
63
56

Pressure (mb)

1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1022
1021
1021

Ozone (du)

315
319
324
328
329
329
330
327
324
321
317
313
310
308
307
305
304
302

Forecast for Marlborough, Wiltshire, United Kingdom (51.42,-1.73)

Generated: 11/11/25 17:41:30. Forecast: 11/11/25 to 17/11/25. Timezone: UTC+0.00