Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 13

Waning Crescent 36%

01:16

12:44

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

Sun - Rise: 08:07, Set: 16:04, Transit: 12:06. Moon - Rise: 01:16, Set: 12:44. Civil Dark: 16:44 - 07:27. Nautical Dark: 17:26 - 06:45. Astro Dark: 18:06 - 06:05

Total Clouds (% Sky Obscured)

29
63
0
0
0
0
0
0
0
52
20
53
62
46
64
76
100
100
88
65
57
58
58
61

Low Clouds (% Sky Obscured)

26
26
26
29
29
30
31
33
36
35
10
31
33
25
28
37
40
40
29
35
39
44
40
38

Medium Clouds (% Sky Obscured)

20
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
31
60
63
41
46
54
26
29

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
3
65
20
53
62
46
64
76
100
100
79
65
20
28
9
9

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
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

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)

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

Chance of Frost

Temperature (°C)

3
2
3
2
2
1
0
-0
-0
4
3
7
9
10
9
9
8
8
8
8
8
8
8
8

Feels Like (°C)

1
0
2
1
1
0
-1
-1
-1
2
0
4
5
7
6
5
5
4
5
4
4
4
4
5

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
96
89
87
84
84
84
85
88
90
88
87
87
85
85
85

Pressure (mb)

1025
1026
1026
1027
1027
1027
1027
1027
1028
1028
1029
1029
1028
1027
1027
1026
1026
1026
1026
1026
1026
1025
1025
1024

Ozone (du)

331
340
350
366
379
372
354
349
346
343
339
336
333
330
328
326
324
319
314
314
315
313
311
306

Sunday 14

Waning Crescent 27%

02:27

12:56

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:08, Set: 16:04, Transit: 12:06. Moon - Rise: 02:27, Set: 12:56. Civil Dark: 16:44 - 07:28. Nautical Dark: 17:26 - 06:46. Astro Dark: 18:07 - 06:05

Total Clouds (% Sky Obscured)

81
87
95
94
97
90
93
96
95
91
90
94
74
79
90
86
81
90
95
97
100
100
100
100

Low Clouds (% Sky Obscured)

38
44
44
42
40
35
35
53
55
57
68
67
58
68
77
71
65
79
89
82
88
84
93
97

Medium Clouds (% Sky Obscured)

63
74
79
81
85
87
88
87
82
80
69
59
18
20
16
21
22
31
37
32
67
68
83
36

High Clouds (% Sky Obscured)

11
86
92
87
95
68
83
88
58
25
54
77
69
56
51
21
14
13
13
79
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
1
2
4
6
8
8
10
22

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
4
4
4
4
4
4
5
5
5
6
6
6
6
5
5
5
5
5
5
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

87
88
85
82
84
82
81
82
81
82
82
81
83
83
84
87
88
90
88
84
81
83
81
88

Pressure (mb)

1024
1024
1023
1022
1022
1021
1020
1020
1020
1019
1019
1018
1017
1016
1016
1015
1014
1013
1013
1012
1011
1011
1010
1010

Ozone (du)

303
303
302
301
302
302
301
301
299
298
296
294
294
294
295
295
295
295
294
295
295
294
295
295

Monday 15

Waning Crescent 19%

03:38

13:09

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:09, Set: 16:04, Transit: 12:07. Moon - Rise: 03:38, Set: 13:09. Civil Dark: 16:44 - 07:29. Nautical Dark: 17:27 - 06:46. Astro Dark: 18:07 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
93
75
76
83
100
80
99
100
100
100
100

Low Clouds (% Sky Obscured)

89
81
81
88
76
58
77
81
87
83
75
64
83
93
75
69
83
78
62
65
61
74
67
37

Medium Clouds (% Sky Obscured)

76
69
80
97
98
98
98
83
22
57
55
43
35
36
40
51
45
47
52
97
100
99
99
96

High Clouds (% Sky Obscured)

100
100
100
100
100
96
90
90
90
90
85
80
75
75
70
76
81
78
80
93
36
40
97
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
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
3
3
0
0
0

Precipitation Type

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

Precipitation Probability (%)

15
18
18
22
23
29
18
19
20
18
19
28
16
30
22
52
77
92
87
79
95
95
77
51

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.7
0.5
0.4
0.6
1.7
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
5
5
5
6
5
6
6
7
7
7
8
8
9
9
8
7
8
7
7
6
5

Dew Point (°C)

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

Relative Humidity (%)

87
87
88
90
88
88
87
85
85
87
86
84
84
83
81
86
90
93
86
88
87
88
87
90

Pressure (mb)

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

Ozone (du)

295
295
296
297
297
297
297
299
303
303
303
303
304
305
308
309
309
310
311
308
306
305
302
298

Tuesday 16

Waning Crescent 12%

04:50

13:25

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 OK
19 OK
20 Bad
21 OK
22 OK
23 Bad

Sun - Rise: 08:09, Set: 16:05, Transit: 12:07. Moon - Rise: 04:50, Set: 13:25. Civil Dark: 16:44 - 07:30. Nautical Dark: 17:27 - 06:47. Astro Dark: 18:07 - 06:07

Total Clouds (% Sky Obscured)

89
100
100
61
100
100
100
100
100
100
100
98
100
100
94
49
48
64
22
23
61
29
30
51

Low Clouds (% Sky Obscured)

25
63
46
32
29
35
26
33
24
23
25
25
19
13
7
12
18
23
22
23
29
29
30
34

Medium Clouds (% Sky Obscured)

89
100
65
61
99
100
100
100
100
100
100
97
100
100
94
49
35
35
3
2
0
0
0
0

High Clouds (% Sky Obscured)

42
64
100
60
67
59
60
74
89
72
48
5
36
52
72
49
28
0
0
0
10
1
1
7

ISS Passover

Visibility (miles)

6
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

Very Light Rain
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 (%)

43
7
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
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
10
11
11
10
8
8
8
6
5
6
7
7
7
6
5
4
3
3
3
3
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
87
88
87
87
85
85
85
85
84
84
81
79
82
85
90
90
91
91
91
89
89
91

Pressure (mb)

1003
1004
1005
1006
1007
1008
1009
1010
1012
1013
1014
1014
1015
1015
1016
1016
1017
1018
1018
1019
1019
1020
1020
1020

Ozone (du)

294
291
293
295
295
295
301
308
308
313
319
332
334
337
347
350
351
355
356
347
338
333
330
324

Wednesday 17

Waning Crescent 7%

06:03

13:47

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:10, Set: 16:05, Transit: 12:07. Moon - Rise: 06:03, Set: 13:47. Civil Dark: 16:44 - 07:30. Nautical Dark: 17:27 - 06:48. Astro Dark: 18:08 - 06:07

Total Clouds (% Sky Obscured)

41
75
86
91
95
100
100
100
100
99
97
96
97
99
100
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

24
13
3
10
17
22
35
48
60
63
70
73
84
94
100
99
100
100
100
100
100
86
73
59

Medium Clouds (% Sky Obscured)

3
7
11
27
43
55
55
55
57
74
79
92
93
79
94
69
53
36
27
76
86
53
74
80

High Clouds (% Sky Obscured)

20
59
78
84
92
100
100
100
100
77
53
30
25
25
30
0
1
13
10
5
5
37
68
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
0
0
0
0
0
10
22
37
44
54
54
55
48
37
33
28
14
18
22
14
23
29
32

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
5
5
6
7
9
10
11
12
13
16
16
16
16
16
16
16
17
17
17
15
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
88
86
88
88
88
88
87
87
84
80
77
77
77
80
81
81
80
80
80
80
80

Pressure (mb)

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

Ozone (du)

320
318
319
317
313
311
311
308
308
306
304
302
301
300
299
298
295
292
291
292
291
289
289
292

Thursday 18

Waning Crescent 3%

07:13

14:17

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:11, Set: 16:05, Transit: 12:08. Moon - Rise: 07:13, Set: 14:17. Civil Dark: 16:45 - 07:31. Nautical Dark: 17:28 - 06:48. Astro Dark: 18:08 - 06:08

Total Clouds (% Sky Obscured)

100
100
100
99
96
94
97
98
100
100
100
100
100
100
100
100
100
100
98
96
95
87
85
82

Low Clouds (% Sky Obscured)

47
36
24
39
54
66
77
89
98
98
99
99
95
91
87
78
69
63
54
46
38
37
36
35

Medium Clouds (% Sky Obscured)

78
76
70
54
39
26
24
18
13
17
21
20
31
37
47
67
81
99
91
83
70
70
70
65

High Clouds (% Sky Obscured)

100
100
99
89
80
71
82
94
100
100
100
100
100
100
100
100
100
100
95
89
84
58
32
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

44
29
12
12
5
1
5
8
9
53
95
95
95
95
95
95
95
95
95
95
83
71
55
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.7
1.2
1
0.6
1
1.2
1.5
2
1.4
0.9
0.5
0.4
0.2
0

Wind Speed/Direction (mph)

11
10
8
7
7
8
8
13
18
22
24
26
27
28
28
29
27
26
25
25
24
24
23
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
5
5
5
5
5
4
5
5
5
5
5
5
5
4
4
5
5
4
4
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

80
81
81
84
85
87
88
87
85
84
84
84
86
83
83
80
84
87
93
93
91
91
87
82

Pressure (mb)

1014
1014
1014
1014
1013
1012
1011
1010
1009
1008
1007
1005
1004
1002
1001
999
999
998
998
998
999
999
999
1000

Ozone (du)

295
296
297
298
295
292
288
286
284
282
280
278
275
274
272
271
270
268
267
270
274
277
280
282

Friday 19

Waning Crescent 1%

08:17

14:59

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
20 Bad
21 OK
22 OK
23 OK

Sun - Rise: 08:11, Set: 16:06, Transit: 12:08. Moon - Rise: 08:17, Set: 14:59. Civil Dark: 16:45 - 07:32. Nautical Dark: 17:28 - 06:49. Astro Dark: 18:08 - 06:09

Total Clouds (% Sky Obscured)

77
70
67
60
61
66
73
85
96
100
99
100
94
88
83
74
65
56
55
53
49
35
28
20

Low Clouds (% Sky Obscured)

36
36
36
45
54
64
60
56
57
61
59
57
56
55
50
49
40
36
35
35
35
30
27
20

Medium Clouds (% Sky Obscured)

56
44
40
33
25
23
28
26
24
27
30
32
36
40
45
40
34
27
18
8
0
0
0
0

High Clouds (% Sky Obscured)

5
5
10
14
13
11
36
62
87
94
99
100
71
43
14
10
5
1
2
1
0
1
1
3

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 (%)

20
11
2
10
16
17
16
14
6
7
11
3
6
6
4
10
12
6
7
6
2
3
3
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)

23
24
24
24
21
19
17
15
13
11
10
10
11
11
10
9
8
7
7
7
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
2
3
3
3
2
1
3
5
5
4
4
4
7
7
8
8
8
8
6
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

78
78
78
78
80
80
81
84
88
93
88
85
82
82
82
82
84
88
90
90
90
90
90
90

Pressure (mb)

1000
1000
1001
1001
1002
1003
1003
1005
1006
1007
1008
1009
1010
1011
1011
1012
1013
1013
1014
1015
1016
1016
1016
1016

Ozone (du)

285
295
305
314
320
325
330
341
353
364
369
374
380
383
386
389
379
369
359
347
335
322
317
312

Forecast for Othery, Somerset, United Kingdom (51.08,-2.88)

Generated: 13/12/25 10:03:10. Forecast: 13/12/25 to 19/12/25. Timezone: UTC+0.00