Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 3%

No Rise

14:22

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
00 Bad
01 Bad
02 Good
03 Good
04 OK
05 Good
06 OK
07 OK

Sun - Rise: 08:12, Set: 16:10, Transit: 12:11. Moon - Rise: No Rise, Set: 14:22. Civil Dark: 16:49 - 07:33. Nautical Dark: 17:31 - 06:51. Astro Dark: 18:11 - 06:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
76
42
98
100
100
0
15
12
7
21
19

Low Clouds (% Sky Obscured)

92
100
89
88
78
76
78
71
53
52
65
82
56
56
34
22
0
0
0
0
0
6
21
19

Medium Clouds (% Sky Obscured)

100
100
100
100
100
84
100
100
100
100
100
100
100
50
12
47
61
21
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
97
100
76
42
98
100
100
0
15
12
0
0
0

ISS Passover

Visibility (miles)

7
1
0
0
0
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

23
63
63
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

7
43
95
95
95
90
46
23
6
16
43
55
28
5
2
0
1
0
0
1
3
3
3
4

Precipitation Amount (mm)

0
0
1.8
2.5
1.4
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
5
8
7
6
10
11
11
12
12
12
14
14
15
10
9
10
10
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
95
93
87
88
88
88
88
87
85
82
81
82
82
79
78
79
81
82
85

Pressure (mb)

1005
1004
1003
1001
1000
999
998
999
1000
999
1000
1001
1001
1003
1004
1006
1007
1009
1010
1010
1011
1011
1012
1013

Ozone (du)

297
296
297
294
286
291
298
302
318
323
331
341
358
364
366
369
369
371
370
366
368
375
380
384

Friday 19

Waning Crescent 1%

08:17

15:04

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

Sun - Rise: 08:12, Set: 16:10, Transit: 12:11. Moon - Rise: 08:17, Set: 15:04. Civil Dark: 16:49 - 07:34. Nautical Dark: 17:31 - 06:51. Astro Dark: 18:12 - 06:11

Total Clouds (% Sky Obscured)

21
15
24
26
27
20
10
12
32
24
27
31
36
49
44
40
29
28
37
46
54
52
53
73

Low Clouds (% Sky Obscured)

21
15
24
26
27
20
10
12
32
24
27
31
36
49
44
40
29
28
37
46
54
52
53
64

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
0
0
0
1
4
25

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 (%)

4
3
4
4
3
3
3
3
2
3
4
5
5
5
3
5
5
8
9
9
5
16
8
14

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)

10
9
10
11
12
12
10
8
6
5
5
5
4
5
4
4
5
5
5
7
9
10
11
12

Chance of Frost

Temperature (°C)

7
7
8
9
10
10
10
9
8
7
6
6
5
5
5
5
5
5
6
6
7
7
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
82
80
78
78
78
81
88
90
91
90
91
91
90
91
90
91
91
88
87
85
84
84

Pressure (mb)

1014
1015
1016
1016
1017
1016
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1014
1013
1013
1012
1011
1010
1010

Ozone (du)

380
371
361
352
347
328
305
303
300
296
290
289
284
287
289
288
287
288
289
288
289
298
302
305

Saturday 20

New Moon 0%

09:11

15:59

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 08:13, Set: 16:10, Transit: 12:12. Moon - Rise: 09:11, Set: 15:59. Civil Dark: 16:50 - 07:34. Nautical Dark: 17:32 - 06:52. Astro Dark: 18:12 - 06:12

Total Clouds (% Sky Obscured)

70
68
72
76
75
93
100
100
100
97
96
93
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

62
59
62
62
64
57
64
69
65
68
70
86
86
87
86
89
72
67
72
64
70
74
75
75

Medium Clouds (% Sky Obscured)

0
24
35
45
50
57
100
91
98
95
94
71
100
100
98
100
100
100
100
99
100
100
100
100

High Clouds (% Sky Obscured)

40
35
36
35
41
80
100
89
100
26
20
17
100
100
100
100
100
100
100
100
68
99
90
84

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

17
6
3
20
34
37
48
65
77
95
95
91
95
95
72
74
81
68
50
52
83
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.3
0.9
1.8
0.3
0.7
0.8
0.3
0.3
0.5
0.3
0
0
0.5
1.8
1.1
2.6

Wind Speed/Direction (mph)

13
14
15
18
19
19
18
18
18
16
17
16
13
10
7
6
6
7
8
8
9
7
8
8

Chance of Frost

Temperature (°C)

8
8
9
9
9
9
9
9
9
9
9
9
8
8
8
8
8
9
9
9
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
77
77
78
80
82
84
85
85
91
91
90
91
95
95
95
93
90
88
91
96
95
95

Pressure (mb)

1009
1009
1008
1008
1007
1006
1005
1005
1004
1004
1003
1003
1003
1003
1003
1003
1002
1002
1002
1002
1001
1001
1001
1001

Ozone (du)

305
311
316
315
310
306
308
312
313
312
316
324
334
344
353
350
346
343
345
353
377
388
392
399

Sunday 21

Waxing Crescent 2%

09:52

17:05

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 08:13, Set: 16:11, Transit: 12:12. Moon - Rise: 09:52, Set: 17:05. Civil Dark: 16:50 - 07:34. Nautical Dark: 17:32 - 06:52. Astro Dark: 18:13 - 06:12

Total Clouds (% Sky Obscured)

100
100
100
100
98
97
96
97
99
100
100
79
88
100
75
88
83
99
99
95
54
63
67
72

Low Clouds (% Sky Obscured)

75
75
74
71
62
75
75
58
54
48
68
61
67
74
66
73
74
87
91
86
52
48
48
54

Medium Clouds (% Sky Obscured)

100
100
73
100
96
92
89
75
60
45
13
23
35
37
35
38
43
44
45
51
48
57
54
46

High Clouds (% Sky Obscured)

74
83
91
100
82
48
51
58
77
70
75
70
65
70
70
75
64
46
36
27
18
9
20
30

ISS Passover

Visibility (miles)

1
6
9
9
9
9
6
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
70
57
52
44
35
34
40
29
31
29
19
19
23
20
18
28
28
29
30
35
43
47
39

Precipitation Amount (mm)

1.4
0
0
0.2
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
8
10
14
13
15
15
14
13
15
15
15
14
15
14
10
10
13
14
12
10
9
8

Chance of Frost

Temperature (°C)

8
8
8
8
9
9
9
9
8
8
8
8
7
8
8
8
7
7
8
8
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
91
88
81
78
78
81
81
81
81
81
81
85
81
85
88
90
87
85
85
84
82
81

Pressure (mb)

1001
1002
1002
1002
1002
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
1002
1003
1003
1003
1004
1004
1005

Ozone (du)

406
416
419
420
425
429
432
432
431
434
435
436
437
436
434
432
431
433
435
439
442
444
445
445

Monday 22

Waxing Crescent 6%

10:23

18:18

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 08:14, Set: 16:11, Transit: 12:13. Moon - Rise: 10:23, Set: 18:18. Civil Dark: 16:51 - 07:35. Nautical Dark: 17:33 - 06:53. Astro Dark: 18:13 - 06:12

Total Clouds (% Sky Obscured)

86
96
99
100
97
87
89
81
73
67
75
80
87
82
78
74
64
54
40
44
44
51
52
54

Low Clouds (% Sky Obscured)

56
76
83
84
82
70
74
60
46
32
31
28
27
31
34
37
38
39
40
42
42
43
52
54

Medium Clouds (% Sky Obscured)

51
48
42
41
41
38
40
29
17
34
45
30
26
31
11
46
37
32
22
17
12
5
6
6

High Clouds (% Sky Obscured)

56
53
59
65
40
20
0
11
24
39
54
61
72
67
60
48
35
23
15
16
17
18
34
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
7
3
3
4
7
8
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
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

25
29
32
35
31
26
15
15
10
6
20
36
48
54
48
39
43
36
28
22
17
15
12
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
78
79
77
72
74
77
81
84
84
84
85
86
88
90
90
88
88
86
86
88
88
89

Pressure (mb)

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

Ozone (du)

444
443
442
443
442
440
438
434
432
430
428
427
426
426
424
422
420
419
418
416
416
416
415
416

Tuesday 23

Waxing Crescent 12%

10:45

19:35

08 Bad
09 Bad
10 OK
11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
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

Sun - Rise: 08:14, Set: 16:12, Transit: 12:13. Moon - Rise: 10:45, Set: 19:35. Civil Dark: 16:51 - 07:35. Nautical Dark: 17:34 - 06:53. Astro Dark: 18:14 - 06:13

Total Clouds (% Sky Obscured)

42
40
34
28
31
54
62
79
90
98
96
95
93
95
97
99
96
92
84
73
63
59
71
86

Low Clouds (% Sky Obscured)

42
40
34
28
31
54
62
75
84
93
88
82
80
82
80
83
76
70
61
56
51
52
55
58

Medium Clouds (% Sky Obscured)

6
12
22
28
31
49
51
50
48
52
48
47
45
40
31
20
18
17
18
24
29
33
46
52

High Clouds (% Sky Obscured)

42
40
34
28
31
54
62
71
65
57
38
24
8
38
69
99
72
43
15
17
11
9
37
68

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 (%)

1
4
6
6
9
11
12
13
12
8
11
11
9
9
6
2
2
1
1
1
0
0
2
3

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)

9
9
10
11
12
12
12
12
12
12
12
12
12
12
13
13
14
14
14
14
15
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
88
88
87
87
87
88
90
93
94
93
91
89
89
91
93
93
94
94
94
94
94
94

Pressure (mb)

1014
1015
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1020
1021

Ozone (du)

417
418
416
414
411
411
411
410
409
407
405
403
400
398
396
395
394
392
389
387
388
389
389
390

Wednesday 24

Waxing Crescent 19%

11:03

20:52

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 08:14, Set: 16:13, Transit: 12:14. Moon - Rise: 11:03, Set: 20:52. Civil Dark: 16:52 - 07:36. Nautical Dark: 17:34 - 06:53. Astro Dark: 18:14 - 06:13

Total Clouds (% Sky Obscured)

100
93
86
78
74
70
65
64
65
62
72
83
94
96
97
97
95
93
91
79
67
47

Low Clouds (% Sky Obscured)

57
62
68
75
72
70
65
64
65
62
72
72
76
72
65
59
58
59
60
64
67
47

Medium Clouds (% Sky Obscured)

56
43
30
17
11
7
2
2
2
1
11
21
42
49
58
62
52
47
34
23
16
12

High Clouds (% Sky Obscured)

99
80
60
40
27
15
2
3
3
2
2
1
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

Fog (%)

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

Precipitation Probability (%)

3
11
14
16
21
24
27
30
30
28
26
24
20
26
30
33
34
36
41
37
33
21

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
89
88
86
83
86
90
91
91
91
91
88
86
85
80
77
73
73
74
74
74
76

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1021
1021
1020
1020
1019
1019
1019
1019
1018
1018

Ozone (du)

390
390
389
388
387
388
389
391
388
385
382
381
380
379
380
380
380
380
380
381
379
378

Forecast for Exeter, Devon, United Kingdom (50.72,-3.53)

Generated: 18/12/25 08:21:06. Forecast: 18/12/25 to 24/12/25. Timezone: UTC+0.00