Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 12

Waning Crescent 36%

01:19

12:48

20 OK
21 OK
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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 08:07, Set: 16:11, Transit: 12:09. Moon - Rise: 01:19, Set: 12:48. Civil Dark: 16:49 - 07:28. Nautical Dark: 17:31 - 06:46. Astro Dark: 18:11 - 06:07

Total Clouds (% Sky Obscured)

25
33
55
46
42
37
31
32
36
42
47
43
53
71
89
76
69
98
100
97
100
100
97
100

Low Clouds (% Sky Obscured)

16
22
24
24
29
32
31
32
36
39
37
35
38
40
25
19
45
31
42
44
54
46
44
50

Medium Clouds (% Sky Obscured)

25
33
38
30
26
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
27
92

High Clouds (% Sky Obscured)

8
8
6
0
0
0
0
0
0
0
0
0
53
71
89
76
64
98
100
94
100
100
93
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
100
100
100
100
100
100
0
39
100
51
47
56
14
9
5
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)

3
3
2
3
3
3
3
3
3
3
3
3
3
3
2
3
5
9
10
9
8
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
86
88
89
89
89
89
89
91
91
93
91
91
88
85
81
80
81
84
87
88
87
85

Pressure (mb)

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

Ozone (du)

318
322
326
330
337
349
366
381
375
363
351
349
347
342
339
338
337
331
328
327
323
323
323
320

Saturday 13

Waning Crescent 27%

02:29

13:00

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: 08:08, Set: 16:11, Transit: 12:09. Moon - Rise: 02:29, Set: 13:00. Civil Dark: 16:49 - 07:29. Nautical Dark: 17:31 - 06:47. Astro Dark: 18:11 - 06:07

Total Clouds (% Sky Obscured)

100
93
84
68
65
58
72
92
97
99
100
99
100
100
100
100
100
100
97
98
97
97
99
99

Low Clouds (% Sky Obscured)

55
56
41
44
44
36
47
52
69
69
63
67
62
72
71
61
56
64
80
87
87
80
81
88

Medium Clouds (% Sky Obscured)

100
80
67
44
43
38
51
75
87
80
83
79
95
91
79
56
49
62
48
43
51
69
64
54

High Clouds (% Sky Obscured)

94
12
9
23
33
40
45
60
64
92
93
93
100
100
99
100
100
100
77
75
83
67
83
90

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
1
2
5
5
7
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

316
313
310
307
304
301
300
299
302
305
305
304
303
302
300
299
298
297
296
295
294
296
297
298

Sunday 14

Waning Crescent 19%

03:40

13:14

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: 08:09, Set: 16:11, Transit: 12:10. Moon - Rise: 03:40, Set: 13:14. Civil Dark: 16:50 - 07:30. Nautical Dark: 17:32 - 06:48. Astro Dark: 18:11 - 06:08

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)

98
83
87
90
93
92
81
80
84
87
79
76
62
75
98
97
93
90
86
89
93
95
70
88

Medium Clouds (% Sky Obscured)

39
30
20
17
13
9
12
15
66
43
25
44
66
44
100
100
93
84
73
82
91
100
100
100

High Clouds (% Sky Obscured)

96
100
100
99
100
100
100
100
86
93
100
100
100
82
89
97
98
91
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
6
9
9
9
9
9
9
6
7
9
9
4
4
3
4
6
2
2
1
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

10
13
15
8
9
16
15
15
29
30
40
46
54
72
95
95
83
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.6
0.4
0.8
1.8
1.1
0.9
0.7
1
0.8

Wind Speed/Direction (mph)

17
18
19
20
19
19
19
18
17
17
16
15
15
15
15
17
17
17
15
14
12
14
10
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
90
84
86
84
86
90
91
91
93
91
90
93
95
93
93
92
93
93
98
90
90
91

Pressure (mb)

1012
1011
1011
1010
1009
1008
1007
1006
1005
1004
1004
1003
1003
1003
1003
1003
1002
1002
1002
1001
1001
1002
1002
1003

Ozone (du)

297
296
294
294
294
295
296
296
295
298
298
299
299
299
300
301
302
304
303
303
303
304
305
306

Monday 15

Waning Crescent 12%

04:51

13:32

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 Good
17 Good
18 OK
19 Good

Sun - Rise: 08:09, Set: 16:11, Transit: 12:10. Moon - Rise: 04:51, Set: 13:32. Civil Dark: 16:50 - 07:31. Nautical Dark: 17:32 - 06:49. Astro Dark: 18:12 - 06:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
97
81
69
55
50
0
0
33
18

Low Clouds (% Sky Obscured)

84
75
86
87
64
38
10
12
9
6
14
22
28
17
8
2
2
0
0
0
0
0
9
18

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
97
81
69
55
50
0
0
0
0

High Clouds (% Sky Obscured)

100
93
85
72
69
67
69
60
44
29
57
84
92
49
45
18
5
8
1
0
0
0
19
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

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 (%)

86
61
50
34
26
18
8
11
7
4
3
2
0
0
0
0
1
1
1
2
1
0
0
0

Precipitation Amount (mm)

0.5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
6
6
6
6
5
5
5
5
5
5
5
5
6
6
6
6
6
6
4
5
5
2

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
91
90
90
90
91
90
90
90
90
90
90
87
82
80
77
80
84
88
88
90
86

Pressure (mb)

1004
1005
1006
1006
1007
1007
1008
1008
1009
1009
1010
1011
1012
1013
1014
1015
1015
1015
1016
1016
1017
1018
1019
1019

Ozone (du)

302
300
301
300
300
303
308
309
312
321
325
332
348
351
351
354
352
355
351
354
356
354
346
340

Tuesday 16

Waning Crescent 6%

06:03

13:54

20 OK
21 OK
22 OK
23 OK
00 OK
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: 08:10, Set: 16:11, Transit: 12:11. Moon - Rise: 06:03, Set: 13:54. Civil Dark: 16:50 - 07:31. Nautical Dark: 17:32 - 06:49. Astro Dark: 18:12 - 06:10

Total Clouds (% Sky Obscured)

44
25
24
33
44
62
78
86
93
100
99
100
100
100
100
100
100
100
100
96
93
87
88
96

Low Clouds (% Sky Obscured)

27
22
17
11
19
28
36
45
53
61
53
56
59
69
80
91
94
97
100
85
72
55
48
44

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
50
50
84
92
100
100
100
100
99
99
99
74
50
26
23
25

High Clouds (% Sky Obscured)

27
5
9
19
28
40
50
66
83
100
90
95
100
100
100
100
100
100
100
83
53
20
22
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
1
1
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
None
None
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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
3
13
19
24
48
63
95
95
95
95
95
78
71
72
63

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.9
0.6
1
0.7
0.4
0.4
0.4
0.3

Wind Speed/Direction (mph)

3
3
3
3
3
3
3
3
5
7
9
14
16
18
18
19
19
19
20
20
18
15
13
13

Chance of Frost

Temperature (°C)

4
3
3
3
3
3
3
3
4
6
7
9
9
10
10
10
10
10
10
9
10
10
10
11

Feels Like (°C)

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

Dew Point (°C)

2
1
1
0
0
1
1
1
2
4
5
6
6
7
7
8
8
8
9
9
9
10
10
10

Relative Humidity (%)

85
83
83
82
82
86
88
86
86
86
85
84
82
81
82
85
87
90
93
96
96
96
96
96

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1016
1016
1016
1015
1015
1014
1014
1013
1012
1013
1013
1013
1013

Ozone (du)

337
335
331
327
322
318
315
313
312
308
307
307
307
307
306
305
303
302
301
300
301
302
302
304

Wednesday 17

Waning Crescent 3%

07:12

14:25

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: 08:11, Set: 16:12, Transit: 12:11. Moon - Rise: 07:12, Set: 14:25. Civil Dark: 16:50 - 07:32. Nautical Dark: 17:32 - 06:50. Astro Dark: 18:12 - 06:10

Total Clouds (% Sky Obscured)

100
100
99
99
99
99
99
91
84
74
72
69
70
79
89
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
51
60
66
71
73
71
72
68
67
62
60
59
61
63
65
64
68
65
73
79
87
87
89

Medium Clouds (% Sky Obscured)

35
44
63
71
81
81
82
57
38
23
47
60
70
73
75
82
88
93
100
100
100
100
100
100

High Clouds (% Sky Obscured)

39
29
16
4
0
1
0
2
3
5
15
26
36
55
77
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
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

Precipitation Probability (%)

55
40
28
10
20
27
27
47
72
94
95
95
95
90
79
92
79
74
95
95
95
95
95
95

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0.3
0.5
0.9
1
0.9
0.6
0.5
0.8
0.5
0.3
0.7
1.1
1.3
1.3
1.6
2.2

Wind Speed/Direction (mph)

13
13
10
8
5
3
3
4
4
4
4
5
7
9
11
13
16
16
18
19
20
21
23
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
5
5
6
6
7
8
9
8
8
8
8
7
8
8
9
7
6
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
95
93
91
90
88
93
95
100
98
98
98
93
91
90
90
91
90
91
95
96
90

Pressure (mb)

1013
1014
1014
1014
1015
1015
1015
1014
1014
1014
1014
1013
1013
1012
1011
1010
1009
1008
1006
1005
1004
1003
1002
1001

Ozone (du)

305
307
308
309
310
309
308
306
303
299
295
295
294
294
292
291
289
288
286
285
284
283
282
287

Thursday 18

Waning Crescent 1%

08:16

15:07

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

Sun - Rise: 08:11, Set: 16:12, Transit: 12:12. Moon - Rise: 08:16, Set: 15:07. Civil Dark: 16:51 - 07:33. Nautical Dark: 17:33 - 06:51. Astro Dark: 18:13 - 06:11

Total Clouds (% Sky Obscured)

100
100
100
100
95
90
86
75
61
45
63
81
100
100
100
100

Low Clouds (% Sky Obscured)

93
93
93
93
81
52
44
42
39
36
50
71
93
79
66
57

Medium Clouds (% Sky Obscured)

100
100
100
100
80
60
40
38
36
43
55
67
83
89
94
100

High Clouds (% Sky Obscured)

100
100
100
100
71
39
9
7
3
2
36
56
70
80
90
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
83
61
35
65
62
68
79
81
95
95
95
75

Precipitation Amount (mm)

4.1
2
2.1
3.1
0.3
0
0
0.5
0.3
0.4
0.6
0.5
0.7
1.1
0.7
0.3

Wind Speed/Direction (mph)

25
25
24
23
23
23
24
25
26
26
27
25
22
20
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
3
4
3
3
4
4
3
4
3
3
2
2
3

Dew Point (°C)

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

Relative Humidity (%)

83
78
77
76
74
76
74
76
77
80
83
85
90
91
88
87

Pressure (mb)

1000
999
999
999
999
998
998
998
997
997
996
996
996
996
996
997

Ozone (du)

293
299
309
320
330
341
353
364
375
386
397
394
390
386
375
364

Forecast for Totnes, Devon, United Kingdom (50.43,-3.69)

Generated: 12/12/25 19:39:48. Forecast: 12/12/25 to 18/12/25. Timezone: UTC+0.00