Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waning Crescent 0%

09:17

16:01

21 Good
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
20 Bad

Sun - Rise: 08:18, Set: 16:13, Transit: 12:16. Moon - Rise: 09:17, Set: 16:01. Civil Dark: 16:53 - 07:39. Nautical Dark: 17:35 - 06:56. Astro Dark: 18:16 - 06:16

Total Clouds (% Sky Obscured)

12
13
14
18
37
40
47
41
36
45
45
45
40
37
36
46
100
100
83
92
95
100
98
93

Low Clouds (% Sky Obscured)

12
13
14
18
37
40
47
41
36
43
45
45
40
37
36
24
39
51
54
85
93
100
88
63

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
46
100
100
83
92
72
99
98
88

High Clouds (% Sky Obscured)

0
2
5
4
4
4
0
2
4
4
0
0
0
0
15
46
89
98
44
4
60
41
60
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
2
4
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
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

6
8
11
4
5
4
6
9
11
9
5
8
13
4
5
5
12
20
52
91
95
95
95
57

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
1
1.2
0.9
0

Wind Speed/Direction (mph)

10
9
9
10
13
13
14
15
15
16
18
18
20
20
21
23
24
24
24
25
26
25
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
7
7
7
6
6
6
6
5
5
5
6
6
6
7
6
6
7
7
7
7

Relative Humidity (%)

85
85
85
87
88
88
88
87
84
85
84
80
80
77
76
76
77
80
80
81
88
88
88
84

Pressure (mb)

1016
1015
1015
1014
1013
1012
1012
1011
1010
1009
1008
1007
1007
1006
1005
1004
1003
1002
1001
1000
999
999
999
999

Ozone (du)

286
285
280
278
275
275
274
277
276
279
282
285
287
293
298
298
301
306
306
311
319
319
314
319

Saturday 20

New Moon 2%

09:58

17:07

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
20 Bad

Sun - Rise: 08:19, Set: 16:14, Transit: 12:16. Moon - Rise: 09:58, Set: 17:07. Civil Dark: 16:53 - 07:39. Nautical Dark: 17:36 - 06:56. Astro Dark: 18:16 - 06:16

Total Clouds (% Sky Obscured)

71
68
83
89
100
99
43
68
100
100
100
94
97
92
98
100
100
92
94
100
97
100
100
100

Low Clouds (% Sky Obscured)

47
50
47
36
26
22
15
43
35
20
35
25
26
23
40
41
35
37
36
41
39
48
55
51

Medium Clouds (% Sky Obscured)

71
65
55
55
33
0
17
65
100
100
100
84
97
92
96
80
93
83
84
80
87
82
98
100

High Clouds (% Sky Obscured)

40
48
68
77
100
98
35
50
48
100
56
49
43
46
70
100
100
66
69
100
80
100
100
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
5
8
9
7
8
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
Very Light Rain
Light Rain
Light Rain
None
None
Light Rain
None
Light Rain

Precipitation Probability (%)

20
9
4
4
7
7
6
27
19
26
37
43
22
10
12
35
52
66
69
55
55
79
58
69

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.4
0
0
0.5
0
0.5

Wind Speed/Direction (mph)

18
17
16
15
14
12
11
11
10
10
11
10
11
12
12
13
12
13
13
13
13
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
78
77
78
78
79
79
81
81
84
85
87
85
87
87
85
85
88
90
90
91
93
93

Pressure (mb)

999
1000
1000
1001
1001
1001
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003

Ozone (du)

313
312
320
332
340
343
349
361
372
384
391
402
402
403
402
400
399
398
395
396
396
397
398
398

Sunday 21

Waxing Crescent 6%

10:28

18:21

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
20 Bad

Sun - Rise: 08:19, Set: 16:14, Transit: 12:17. Moon - Rise: 10:28, Set: 18:21. Civil Dark: 16:54 - 07:39. Nautical Dark: 17:36 - 06:57. Astro Dark: 18:17 - 06:17

Total Clouds (% Sky Obscured)

100
87
92
96
100
100
100
100
100
87
81
62
94
100
98
98
86
91
91
94
80
83
99
100

Low Clouds (% Sky Obscured)

57
40
52
59
46
55
56
42
50
61
62
49
66
79
78
64
68
69
58
80
80
80
79
73

Medium Clouds (% Sky Obscured)

99
80
85
91
100
100
100
100
100
61
19
2
12
47
40
6
3
1
17
41
32
38
43
64

High Clouds (% Sky Obscured)

54
63
65
65
76
99
100
100
100
4
57
62
85
96
85
90
33
65
49
36
17
33
83
100

ISS Passover

Visibility (miles)

4
5
9
9
8
2
8
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
2
8
3
91
43
3
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

70
66
47
55
66
69
49
21
25
3
3
19
8
14
2
2
19
6
15
16
14
14
7
10

Precipitation Amount (mm)

0.5
0.3
0
0.2
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
9
9
9
9
9
10
10
10
10
10
10
10
10
10
10
10
10

Feels Like (°C)

6
7
8
7
7
7
6
6
7
7
7
7
8
7
8
8
8
8
8
8
8
8
8
8

Dew Point (°C)

8
8
8
7
8
8
8
8
8
8
8
8
8
8
8
8
7
8
8
8
8
8
8
8

Relative Humidity (%)

91
91
91
90
93
93
93
93
91
91
91
90
90
88
87
84
83
85
88
90
90
88
88
88

Pressure (mb)

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

Ozone (du)

399
399
400
403
408
411
412
414
415
416
410
406
402
399
397
394
388
383
382
379
376
373
370
367

Monday 22

Waxing Crescent 12%

10:50

19:38

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
20 Bad

Sun - Rise: 08:19, Set: 16:15, Transit: 12:17. Moon - Rise: 10:50, Set: 19:38. Civil Dark: 16:54 - 07:40. Nautical Dark: 17:37 - 06:57. Astro Dark: 18:17 - 06:17

Total Clouds (% Sky Obscured)

94
92
89
90
92
92
76
78
93
91
67
84
83
88
93
91
91
91
96
97
98
99
99
100

Low Clouds (% Sky Obscured)

68
58
53
49
46
40
39
43
44
34
24
13
31
49
65
73
78
83
87
90
93
95
98
100

Medium Clouds (% Sky Obscured)

75
52
40
72
60
71
40
38
38
62
36
34
36
36
33
22
14
5
64
34
8
11
13
15

High Clouds (% Sky Obscured)

78
73
58
51
43
4
19
2
11
24
12
37
40
50
55
25
4
0
0
0
0
0
2
21

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 (%)

17
9
5
11
18
4
5
5
4
3
2
2
3
3
1
0
2
12
11
15
5
6
7
11

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
8
9
9
8
8
7
6
6
6
5
5
4
6
7
9
10
10
10
10
11
14
14
13

Chance of Frost

Temperature (°C)

10
10
10
10
10
9
9
9
9
9
9
9
9
9
10
10
10
10
9
10
10
10
9
9

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
7
7
7
7
7
7
7
8
7
7
8
8
7
7
8
8
8
8
8

Relative Humidity (%)

88
88
88
88
87
85
85
87
87
87
87
87
88
87
85
87
87
84
85
88
90
91
91
91

Pressure (mb)

1009
1009
1010
1010
1011
1011
1012
1012
1012
1013
1014
1014
1015
1016
1016
1017
1017
1017
1017
1018
1019
1019
1020
1020

Ozone (du)

358
351
345
340
338
337
338
337
334
332
335
342
352
357
357
357
354
353
353
354
353
353
352
352

Tuesday 23

Waxing Crescent 19%

11:08

20:55

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
20 Bad

Sun - Rise: 08:20, Set: 16:15, Transit: 12:18. Moon - Rise: 11:08, Set: 20:55. Civil Dark: 16:55 - 07:40. Nautical Dark: 17:37 - 06:58. Astro Dark: 18:18 - 06:17

Total Clouds (% Sky Obscured)

100
100
95
97
86
96
98
97
99
99
98
98
96
94
92
81
77
82
91
91
91
75
60
45

Low Clouds (% Sky Obscured)

100
100
95
97
86
95
96
96
97
95
93
91
87
84
79
61
42
26
28
38
52
52
53
45

Medium Clouds (% Sky Obscured)

12
9
8
5
4
2
15
30
45
44
39
33
25
19
26
37
58
70
78
81
79
63
42
25

High Clouds (% Sky Obscured)

2
1
0
0
1
4
6
4
13
22
15
3
12
20
26
18
11
7
7
6
5
3
1
1

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 (%)

6
13
8
7
5
2
11
7
6
6
5
9
5
5
9
9
7
2
5
4
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
12
12
13
15
17
19
19
19
20
20
20
20
21
22
23
24
24
24
24
24
24
24
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
88
87
88
88
87
82
79
79
81
84
82
84
82
81
79
78
76
78
79
82
82
80

Pressure (mb)

1021
1021
1022
1022
1022
1023
1023
1024
1024
1024
1025
1026
1027
1027
1027
1027
1028
1028
1028
1029
1029
1030
1030
1030

Ozone (du)

351
347
344
341
341
342
341
340
339
338
339
340
341
340
338
337
338
338
339
338
337
336
337
338

Wednesday 24

Waxing Crescent 28%

11:22

20:55

21 OK
22 OK
23 OK
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

Sun - Rise: 08:20, Set: 16:16, Transit: 12:18. Moon - Rise: 11:22, Set: 20:55. Civil Dark: 16:56 - 07:41. Nautical Dark: 17:38 - 06:58. Astro Dark: 18:18 - 06:18

Total Clouds (% Sky Obscured)

38
31
30
46
52
58
64
66
67
75
69
68
63
62
49
44
40
38
37
43
48
48
45
42

Low Clouds (% Sky Obscured)

38
31
30
46
52
58
64
66
67
68
61
54
52
57
49
44
40
38
37
43
44
37
32
27

Medium Clouds (% Sky Obscured)

16
7
0
0
0
0
12
23
35
36
40
37
48
41
33
22
11
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
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
10
15
18
24
28
31
29
28
23
26
25
16
21
20
11
16
14
7

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)

24
24
24
24
23
23
22
22
21
21
21
21
21
21
21
20
20
19
18
19
19
20
20
20

Chance of Frost

Temperature (°C)

5
5
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
80
80
79
79
76
77
79
79
79
79
77
75
75
72
71
70
70
70
69
69
69
69

Pressure (mb)

1031
1030
1030
1030
1030
1030
1029
1029
1028
1028
1027
1027
1027
1026
1026
1025
1025
1024
1024
1024
1023
1023
1023
1023

Ozone (du)

339
340
340
341
339
337
336
335
334
333
332
332
332
332
333
333
334
335
335
337
339
341
343
344

Thursday 25

Waxing Crescent 39%

11:34

22:13

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: 08:20, Set: 16:17, Transit: 12:19. Moon - Rise: 11:34, Set: 22:13. Civil Dark: 16:56 - 07:41. Nautical Dark: 17:39 - 06:58. Astro Dark: 18:19 - 06:18

Total Clouds (% Sky Obscured)

48
54
59
67
78
89
89
84
74
71
64
57
46
44
42
40
38
38
55
72
88

Low Clouds (% Sky Obscured)

27
28
31
42
52
66
66
58
50
49
45
40
35
33
32
37
31
24
28
35
41

Medium Clouds (% Sky Obscured)

2
5
8
16
24
32
28
23
19
18
21
27
23
13
0
3
6
10
28
49
71

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
4
4
5
6
8
15
22
35

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

Fog (%)

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

Precipitation Probability (%)

15
15
7
14
16
15
20
23
24
25
24
19
19
19
14
15
15
11
16
14
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

Wind Speed/Direction (mph)

20
19
18
18
19
19
19
20
20
20
20
19
18
18
18
19
17
16
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
71
69
71
69
68
67
68
67
65
65
67
67
64
64
63
63
64
64
65
67

Pressure (mb)

1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024

Ozone (du)

346
346
346
346
344
343
342
341
341
340
341
341
342
342
341
341
341
342
342
342
343

Forecast for Blagberry, Devon, United Kingdom (50.99,-4.53)

Generated: 19/12/25 21:43:36. Forecast: 19/12/25 to 25/12/25. Timezone: UTC+0.00