Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Crescent 19%

11:08

19:38

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 OK
15 Good
16 OK
17 OK
18 OK

Sun - Rise: 08:20, Set: 16:15, Transit: 12:18. Moon - Rise: 11:08, Set: 19:38. Civil Dark: 16:55 - 07:40. Nautical Dark: 17:37 - 06:58. Astro Dark: 18:18 - 06:17

Total Clouds (% Sky Obscured)

98
99
99
88
87
81
85
90
83
82
77
83
80
71
88
90
98
72
42
26
5
17
19
27

Low Clouds (% Sky Obscured)

94
94
98
87
87
81
85
90
83
82
77
83
80
71
68
65
61
54
27
26
5
17
19
27

Medium Clouds (% Sky Obscured)

20
15
4
2
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

63
77
56
18
4
2
1
0
0
4
13
4
12
26
63
59
97
70
42
3
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
2
2
1
1
0
0
0
1
0
3
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)

14
17
18
22
22
22
23
23
23
24
23
23
23
25
25
25
25
25
25
25
25
25
24
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
79
79
79
79
79
79
79
79
76
75
76
81
83
80
76
75
74
74
72
74
73
75
73

Pressure (mb)

1022
1023
1024
1024
1025
1026
1026
1027
1028
1028
1028
1029
1029
1030
1031
1032
1032
1032
1032
1032
1032
1033
1033
1034

Ozone (du)

345
345
342
337
333
331
330
330
328
324
322
322
322
322
322
323
322
321
319
318
320
321
324
324

Wednesday 24

Waxing Crescent 28%

11:22

20:55

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

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)

26
21
35
33
45
64
69
62
57
43
32
26
27
19
19
14
3
1
1
2
2
0
0
0

Low Clouds (% Sky Obscured)

26
21
35
33
45
64
69
62
57
43
32
26
27
19
19
14
3
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

23
23
21
23
23
24
24
26
27
28
29
29
30
30
29
29
29
29
28
28
27
26
25
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
76
75
75
76
73
73
75
75
76
75
73
72
68
68
67
65
65
63
64
65
65
66
66

Pressure (mb)

1034
1034
1034
1033
1033
1033
1032
1032
1031
1030
1030
1029
1029
1029
1029
1029
1028
1028
1027
1027
1027
1027
1027
1027

Ozone (du)

325
330
332
334
337
336
338
341
342
343
343
345
346
345
346
347
347
348
349
349
351
351
352
351

Thursday 25

Waxing Crescent 39%

11:34

22:13

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

3
9
12
15
17
22
25
41
42
26
31
33
42
39
40
38
39
43
61
62
53
49
41
48

Low Clouds (% Sky Obscured)

3
9
12
15
17
22
25
41
42
26
31
33
42
39
40
38
39
43
61
62
53
49
41
48

Medium 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
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
23

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)

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

Chance of Frost

Temperature (°C)

4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
4
4
4
5
5
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
67
68
68
68
70
72
70
70
72
73
73
73
73
73
71
69
69
71
71
73
76
79
80

Pressure (mb)

1027
1028
1028
1028
1028
1028
1029
1029
1029
1028
1028
1028
1029
1029
1030
1030
1030
1030
1030
1029
1030
1030
1030
1030

Ozone (du)

351
350
348
351
352
352
352
354
356
359
358
354
349
346
346
347
347
346
345
344
341
338
335
333

Friday 26

Waxing Crescent 50%

11:46

23:31

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

Sun - Rise: 08:20, Set: 16:18, Transit: 12:19. Moon - Rise: 11:46, Set: 23:31. Civil Dark: 16:57 - 07:41. Nautical Dark: 17:40 - 06:59. Astro Dark: 18:20 - 06:18

Total Clouds (% Sky Obscured)

46
47
41
36
31
32
32
37
48
50
48
47
45
41
34
23
25
23
21
14
18
27
33
30

Low Clouds (% Sky Obscured)

46
47
41
36
31
32
32
37
48
50
48
47
45
41
34
23
25
23
21
14
18
27
28
30

Medium Clouds (% Sky Obscured)

40
47
37
18
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

44
47
41
23
0
0
0
0
0
0
3
2
6
4
7
1
2
0
0
0
2
1
1
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
1
2
0
1
1
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)

18
18
18
18
18
19
18
18
17
17
17
17
18
18
18
19
20
21
20
19
19
20
21
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
82
82
82
82
83
86
88
86
88
86
88
88
88
86
82
82
82
82
82
85
85
84

Pressure (mb)

1031
1031
1032
1032
1032
1032
1033
1033
1033
1033
1033
1033
1034
1035
1035
1035
1036
1035
1035
1035
1035
1035
1036
1036

Ozone (du)

331
330
328
325
322
321
320
318
317
315
313
312
311
311
310
309
308
307
306
305
304
306
306
306

Saturday 27

First Quarter 61%

11:59

00:51

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

Sun - Rise: 08:21, Set: 16:18, Transit: 12:20. Moon - Rise: 11:59, Set: 00:51. Civil Dark: 16:58 - 07:41. Nautical Dark: 17:40 - 06:59. Astro Dark: 18:21 - 06:18

Total Clouds (% Sky Obscured)

30
16
10
13
16
20
22
31
37
38
36
24
34
45
52
56
59
59
58
56
47
31
29
39

Low Clouds (% Sky Obscured)

30
16
10
13
16
20
22
31
37
38
36
24
34
45
40
33
38
42
43
44
47
31
29
39

Medium 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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
11

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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
1
1
1
1
2
1
2
1
1
1
1
0
0
0
1
1
0
1
1
1
1
1
2

Dew Point (°C)

4
4
4
3
3
4
4
4
3
3
4
4
3
3
3
4
3
3
3
3
3
3
3
3

Relative Humidity (%)

82
82
82
82
83
85
85
88
86
86
86
85
86
86
86
86
83
83
83
82
82
83
86
88

Pressure (mb)

1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1035
1035
1036
1036
1036
1036
1036
1035
1035
1035
1035
1035
1035

Ozone (du)

305
305
305
306
307
306
304
305
305
303
303
303
303
304
304
303
303
302
301
300
299
299
300
300

Sunday 28

Waxing Gibbous 61%

12:15

02:14

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

Sun - Rise: 08:21, Set: 16:19, Transit: 12:20. Moon - Rise: 12:15, Set: 02:14. Civil Dark: 16:59 - 07:41. Nautical Dark: 17:41 - 06:59. Astro Dark: 18:21 - 06:19

Total Clouds (% Sky Obscured)

48
57
53
65
66
63
55
39
31
20
13
14
16
25
32
32
36
48
58
67
66
57
52
45

Low Clouds (% Sky Obscured)

47
52
53
44
50
48
46
36
29
20
13
14
14
23
32
30
30
40
55
56
55
54
52
45

Medium 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

High Clouds (% Sky Obscured)

23
34
24
15
5
12
20
26
18
8
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
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)

15
15
14
13
12
12
12
12
12
12
11
10
11
11
12
12
12
12
13
13
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
83
82
82
80
80
82
82
80
82
80
79
79
76
78
79
79
81
81
79
79
82
82

Pressure (mb)

1035
1035
1035
1035
1035
1035
1035
1035
1035
1034
1034
1034
1034
1034
1035
1035
1035
1035
1034
1034
1034
1034
1034
1034

Ozone (du)

300
301
301
301
302
302
302
302
301
301
300
300
300
301
302
301
301
301
298
295
292
290
287
285

Monday 29

Waxing Gibbous 72%

12:35

03:42

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

Sun - Rise: 08:21, Set: 16:20, Transit: 12:20. Moon - Rise: 12:35, Set: 03:42. Civil Dark: 17:00 - 07:41. Nautical Dark: 17:42 - 06:59. Astro Dark: 18:22 - 06:19

Total Clouds (% Sky Obscured)

46
48
42
44
48
51
55
24
27
23
22
24
35
42
43
41
39

Low Clouds (% Sky Obscured)

46
48
42
44
48
51
55
24
27
23
22
24
35
42
43
41
39

Medium Clouds (% Sky Obscured)

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
1
2
3
2
2
1

ISS Passover

Visibility (miles)

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

Precipitation Type

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
2
2
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
13
13
11
9
7
7
8
9
9
8
8
8
8
8
6
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
79
78
78
76
76
76
78
78
79
79
80
82
83
83
80
78

Pressure (mb)

1034
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035

Ozone (du)

286
287
288
287
285
284
284
284
284
285
286
287
295
304
312
315
319

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

Generated: 23/12/25 19:07:28. Forecast: 23/12/25 to 29/12/25. Timezone: UTC+0.00