Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 13

Waning Crescent 29%

01:00

14:14

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: 07:26, Set: 16:21, Transit: 11:54. Moon - Rise: 01:00, Set: 14:14. Civil Dark: 16:58 - 06:50. Nautical Dark: 17:38 - 06:09. Astro Dark: 18:17 - 05:30

Total Clouds (% Sky Obscured)

93
94
96
100
100
99
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

90
92
90
89
93
91
91
100
94
100
95
100
100
90
91
88
92
92
77
83
68
83
91
91

Medium Clouds (% Sky Obscured)

93
94
96
100
100
96
90
97
96
97
100
99
99
100
99
100
100
100
100
100
90
89
92
92

High Clouds (% Sky Obscured)

93
94
96
100
71
77
60
88
100
100
98
100
100
100
100
100
100
82
63
98
100
100
100
100

ISS Passover

Visibility (miles)

2
1
0
1
1
1
1
1
0
0
0
0
0
0
0
0
3
5
3
2
2
4
4
8

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
81
71
75
92
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

1.2
1.6
1.4
1.1
1
0.8
0.4
0.2
0.4
0.5
1.5
1
0.5
1.9
2.1
1.6
2.2
3.1
1.5
1.9
1
1.1
1.4
1.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
98
96
98
98
98
96
98
98
98
98
98
98
98
96
96
96
96
96
96
96
98
96

Pressure (mb)

1006
1005
1004
1004
1004
1003
1002
1002
1001
1001
1001
1000
1000
1000
1000
999
998
997
997
997
997
998
999
999

Ozone (du)

293
291
290
289
287
286
287
288
288
287
286
287
289
289
289
288
288
289
291
298
302
304
304
306

Friday 14

Waning Crescent 21%

02:13

14:24

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: 07:28, Set: 16:20, Transit: 11:54. Moon - Rise: 02:13, Set: 14:24. Civil Dark: 16:56 - 06:51. Nautical Dark: 17:37 - 06:10. Astro Dark: 18:16 - 05:31

Total Clouds (% Sky Obscured)

100
98
92
94
100
100
100
100
100
100
68
100
100
92
93
79
80
78
79
67
82
82
90
83

Low Clouds (% Sky Obscured)

76
91
80
82
67
67
64
72
68
60
48
69
73
64
70
59
60
63
64
48
54
66
65
67

Medium Clouds (% Sky Obscured)

63
44
50
57
65
70
65
65
57
45
19
2
45
63
48
45
38
33
33
28
35
24
25
23

High Clouds (% Sky Obscured)

90
0
0
0
95
90
97
99
89
79
22
100
100
68
68
16
1
8
0
4
0
2
23
15

ISS Passover

Visibility (miles)

9
9
9
9
7
9
9
2
9
2
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

74
41
48
68
73
74
60
35
17
10
3
2
0
1
6
35
45
49
40
15
20
6
6
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
96
96
96
98
100
98
98
96
95
93
95
95
92
92
92
93
93
93
93
91
91

Pressure (mb)

1000
1001
1001
1002
1003
1004
1005
1005
1006
1007
1007
1008
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011

Ozone (du)

308
305
302
302
301
297
295
294
294
294
295
293
293
293
292
291
290
291
291
289
286
285
286
286

Saturday 15

Waning Crescent 13%

03:24

14:34

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: 07:30, Set: 16:18, Transit: 11:54. Moon - Rise: 03:24, Set: 14:34. Civil Dark: 16:55 - 06:53. Nautical Dark: 17:36 - 06:12. Astro Dark: 18:15 - 05:33

Total Clouds (% Sky Obscured)

84
82
88
95
95
93
91
97
100
93
93
88
82
81
90
96
94
91
88
85
82
80
85
90

Low Clouds (% Sky Obscured)

71
74
81
89
89
85
89
95
98
93
93
88
82
81
89
96
94
91
88
83
78
74
77
82

Medium Clouds (% Sky Obscured)

20
13
10
84
79
79
70
70
53
38
3
3
23
52
3
3
3
3
0
1
3
5
15
24

High Clouds (% Sky Obscured)

26
20
19
10
10
10
15
15
32
13
1
1
0
0
1
9
1
1
2
1
1
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 (%)

3
3
9
14
3
5
7
3
3
6
2
1
0
0
0
0
1
2
2
2
2
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
11
11
11
11
11
12
12
12
12
12
13
12
11
12
12
13
13
13
13
12
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
8
8
8
8
8
8
7
6
5
5
5
5
5
5
5
4
4
3
3
2
2

Relative Humidity (%)

90
91
90
90
90
90
88
88
88
87
84
81
78
77
77
77
76
73
73
72
70
69
68
70

Pressure (mb)

1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1015
1015
1016
1017
1017

Ozone (du)

286
284
284
284
283
283
282
281
281
281
283
283
282
282
284
284
284
284
282
283
283
286
290
288

Sunday 16

Waning Crescent 7%

04:35

14:46

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

Sun - Rise: 07:31, Set: 16:17, Transit: 11:54. Moon - Rise: 04:35, Set: 14:46. Civil Dark: 16:54 - 06:54. Nautical Dark: 17:35 - 06:13. Astro Dark: 18:14 - 05:34

Total Clouds (% Sky Obscured)

85
53
39
27
18
12
14
67
79
85
27
32
32
27
24
24
27
29
30
21
13
4
3
2

Low Clouds (% Sky Obscured)

82
53
39
27
18
12
7
39
54
68
27
32
32
27
24
24
26
25
24
19
12
4
3
1

Medium Clouds (% Sky Obscured)

33
28
24
22
15
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
76
80
80
80
82
83
83
73
74
76
88
91
85
79
75
72
70
70
75
82
88
88
89

Pressure (mb)

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

Ozone (du)

279
277
277
277
273
263
258
256
255
256
258
258
257
257
257
257
257
258
259
257
258
250
252
254

Monday 17

Waning Crescent 3%

05:47

14:59

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

Sun - Rise: 07:33, Set: 16:16, Transit: 11:54. Moon - Rise: 05:47, Set: 14:59. Civil Dark: 16:53 - 06:56. Nautical Dark: 17:34 - 06:15. Astro Dark: 18:13 - 05:35

Total Clouds (% Sky Obscured)

2
15
10
15
14
22
16
21
31
39
53
40
33
52
74
98
97
96
94
96
98
100
97
92

Low Clouds (% Sky Obscured)

0
0
0
0
4
8
12
21
29
38
51
39
30
42
52
64
70
74
77
80
82
86
81
77

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
0
0
2
4
6
37
68
98
80
63
49
51
50
30
19
17

High Clouds (% Sky Obscured)

2
15
10
15
14
20
16
15
25
6
16
7
9
3
3
3
7
4
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
9
11
6
23
30
34
38
39
39
34
30
29
29
29

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)

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

Chance of Frost

Temperature (°C)

2
2
2
1
1
1
1
0
0
0
-0
1
1
2
3
4
6
6
7
7
7
7
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
89
88
88
88
89
89
91
91
89
86
84
86
88
90
88
88
88
88
88
88
90

Pressure (mb)

1027
1027
1027
1026
1026
1025
1025
1024
1024
1023
1023
1022
1022
1021
1020
1019
1019
1018
1017
1016
1015
1015
1015
1014

Ozone (du)

257
259
264
265
269
272
265
265
273
277
280
281
282
283
280
278
276
277
279
281
280
279
278
278

Tuesday 18

Waning Crescent 1%

07:00

15:17

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: 07:35, Set: 16:15, Transit: 11:55. Moon - Rise: 07:00, Set: 15:17. Civil Dark: 16:52 - 06:57. Nautical Dark: 17:33 - 06:16. Astro Dark: 18:12 - 05:37

Total Clouds (% Sky Obscured)

88
92
97
100
90
69
43
46
52
63
63
63
67
77
85
89
90
86
86
76
63
49
42
41

Low Clouds (% Sky Obscured)

68
67
70
80
58
47
31
37
41
45
47
52
58
56
54
51
61
71
79
72
62
49
42
41

Medium Clouds (% Sky Obscured)

10
9
7
9
9
8
3
13
24
49
44
25
25
25
24
24
20
15
11
8
4
0
0
0

High Clouds (% Sky Obscured)

0
33
67
100
90
69
43
46
52
63
63
63
67
53
28
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 (%)

29
38
41
42
33
24
7
12
14
14
28
32
34
34
31
25
35
38
38
40
36
25
25
20

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
91
91
93
91
91
89
89
91
93
89
88
83
80
78
75
76
78
79
79
77
77
76

Pressure (mb)

1014
1013
1013
1012
1011
1011
1010
1010
1009
1009
1008
1008
1007
1007
1006
1006
1005
1005
1004
1004
1004
1004
1004
1005

Ozone (du)

278
278
281
285
288
289
291
292
295
298
300
301
302
303
313
323
334
332
331
329
329
329
329
328

Wednesday 19

Waning Crescent 0%

08:13

15:40

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

Sun - Rise: 07:36, Set: 16:13, Transit: 11:55. Moon - Rise: 08:13, Set: 15:40. Civil Dark: 16:51 - 06:59. Nautical Dark: 17:32 - 06:18. Astro Dark: 18:12 - 05:38

Total Clouds (% Sky Obscured)

41
32
31
34
42
58
68
65
62
21
12
11
10
35
63
91

Low Clouds (% Sky Obscured)

41
32
31
34
42
44
39
46
46
21
12
11
10
21
21
20

Medium Clouds (% Sky Obscured)

0
0
0
0
9
21
28
21
15
12
10
9
6
4
2
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
3
4
15
29
42

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 (%)

5
7
6
1
2
2
0
4
8
4
11
8
4
5
5
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
13
12
11
9
9
8
7
6
5
4
4
3
3
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
73
71
71
73
74
75
78
81
83
86
83
78
74
66
62

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

327
325
323
321
319
316
312
309
305
301
298
295
292
290
288
286

Forecast for Twerton, Bath and North East Somerset, United Kingdom (51.36,-2.38)

Generated: 13/11/25 19:54:50. Forecast: 13/11/25 to 19/11/25. Timezone: UTC+0.00