Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 3%

07:10

13:30

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 08:06, Set: 15:49, Transit: 11:57. Moon - Rise: 07:10, Set: 13:30. Civil Dark: 16:30 - 07:25. Nautical Dark: 17:14 - 06:41. Astro Dark: 17:55 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

17
45
51
57
62
88
95
100
100
100
100
83
82
100
100
100
86
62
48
40
43
58
62
65

Medium Clouds (% Sky Obscured)

100
96
97
96
94
92
83
46
70
88
36
100
100
95
51
97
81
100
85
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
55
53
3
0
48
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
4
4
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Moderate Rain

Precipitation Probability (%)

4
14
44
37
30
13
3
6
3
5
28
79
95
87
47
48
28
14
4
3
7
54
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.4
1.5
0.3
0
0
0
0
0
0
0
0.3
1.5
2.6

Wind Speed/Direction (mph)

10
11
12
16
17
18
18
19
20
21
21
23
22
21
21
20
18
15
12
10
8
8
9
8

Chance of Frost

Temperature (°C)

4
6
7
8
8
8
9
9
9
9
10
10
10
10
10
11
11
11
11
11
11
10
10
11

Feels Like (°C)

-2
-0
1
2
2
2
3
3
3
3
3
3
3
4
4
4
6
7
8
8
8
8
8
9

Dew Point (°C)

1
3
4
5
6
6
7
7
7
7
8
8
8
9
9
9
10
10
10
10
9
10
10
10

Relative Humidity (%)

82
80
82
82
84
85
85
85
84
87
87
88
88
91
88
88
91
93
92
91
91
95
95
95

Pressure (mb)

1015
1014
1013
1012
1011
1011
1010
1009
1009
1008
1008
1007
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007

Ozone (du)

300
299
297
296
295
296
295
296
298
296
295
297
301
306
303
308
310
305
306
304
300
295
293
296

Thursday 18

Waning Crescent 2%

08:15

13:59

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
08 Bad
09 Bad
10 Good

Sun - Rise: 08:07, Set: 15:50, Transit: 11:58. Moon - Rise: 08:15, Set: 13:59. Civil Dark: 16:31 - 07:26. Nautical Dark: 17:14 - 06:42. Astro Dark: 17:56 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
100
100
99
100
97
100
100
84
82
95
100
100
100
100
100
76
9

Low Clouds (% Sky Obscured)

100
92
100
98
78
47
76
66
68
80
57
70
59
46
0
0
0
0
0
0
0
0
0
9

Medium Clouds (% Sky Obscured)

100
100
100
100
92
85
90
83
88
70
88
66
92
100
52
47
50
50
55
60
70
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
96
100
100
83
99
87
100
43
40
4
6
10
70
70
70
65
49
0

ISS Passover

Visibility (miles)

4
2
2
2
3
9
4
6
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

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

Precipitation Probability (%)

95
95
95
95
95
67
57
19
0
15
48
22
2
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

2.6
1.7
1.1
1.6
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
9
12
13
17
18
20
17
14
16
16
18
16
15
13
11
12
12
13
13
13
13
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
95
91
87
85
85
90
81
81
85
81
83
78
80
79
82
83
83
83
83
85
83
82

Pressure (mb)

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

Ozone (du)

293
293
291
288
285
285
284
296
310
319
331
344
352
349
347
348
355
358
356
364
369
370
370
366

Friday 19

Waning Crescent 1%

09:08

14:40

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

Sun - Rise: 08:07, Set: 15:50, Transit: 11:58. Moon - Rise: 09:08, Set: 14:40. Civil Dark: 16:31 - 07:26. Nautical Dark: 17:15 - 06:42. Astro Dark: 17:56 - 06:01

Total Clouds (% Sky Obscured)

30
33
30
34
25
7
14
22
22
21
19
17
0
1
8
10
7
33
48
52
52
50
42
38

Low Clouds (% Sky Obscured)

30
33
30
34
25
7
14
22
22
21
19
17
0
0
8
9
7
33
48
49
47
41
40
38

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
1
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)

15
15
14
14
13
11
11
10
10
9
9
8
7
7
8
8
8
8
7
7
7
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
81
80
82
84
87
87
88
86
88
88
91
91
89
89
89
91
93
93
93
93
93
88

Pressure (mb)

1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1012

Ozone (du)

349
345
338
324
306
301
298
298
292
289
290
292
291
288
292
290
287
288
288
287
291
294
295
296

Saturday 20

New Moon 0%

09:49

15:34

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

Sun - Rise: 08:08, Set: 15:50, Transit: 11:59. Moon - Rise: 09:49, Set: 15:34. Civil Dark: 16:31 - 07:27. Nautical Dark: 17:15 - 06:43. Astro Dark: 17:57 - 06:01

Total Clouds (% Sky Obscured)

40
36
30
25
34
39
45
82
87
90
90
47
76
52
69
80
97
100
100
99
97
96
97
99

Low Clouds (% Sky Obscured)

40
36
30
25
34
39
45
56
58
53
42
32
20
16
12
8
24
45
59
47
46
49
73
77

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
2
19
3
34
6
9
14
22
31
41
57
79
83
92
89

High Clouds (% Sky Obscured)

0
0
0
0
11
22
33
46
41
36
46
42
50
52
69
80
93
100
99
81
61
42
60
77

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
2
3
4
11
16

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
82
81
81
82
86
88
89
93
93
94
96
94
93
94
96
96
98
96
96
96
94
94
88

Pressure (mb)

1012
1011
1010
1010
1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

300
303
303
303
304
305
307
305
304
305
308
309
311
312
313
313
313
309
308
313
317
320
323
324

Sunday 21

Waxing Crescent 2%

10:18

16:42

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 08:08, Set: 15:51, Transit: 11:59. Moon - Rise: 10:18, Set: 16:42. Civil Dark: 16:32 - 07:27. Nautical Dark: 17:16 - 06:43. Astro Dark: 17:57 - 06:02

Total Clouds (% Sky Obscured)

100
99
99
98
99
99
100
100
100
100
99
99
98
99
99
100
100
100
100
99
99
98
98
99

Low Clouds (% Sky Obscured)

66
72
82
83
86
84
82
73
63
55
62
66
71
70
72
71
73
75
77
82
86
91
92
93

Medium Clouds (% Sky Obscured)

84
81
90
94
96
98
100
100
100
99
96
88
59
63
64
70
79
91
100
93
85
76
59
43

High Clouds (% Sky Obscured)

96
76
58
42
56
78
100
82
66
53
55
57
53
65
77
90
92
96
100
88
76
65
63
60

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

18
21
24
27
27
27
27
28
25
9
6
5
1
3
3
2
39
54
65
70
71
70
56
41

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
85
87
88
91
91
90
90
93
93
94
94
94
94
94
94
94
96
98
96
96
94
90

Pressure (mb)

1006
1006
1005
1005
1005
1006
1006
1006
1007
1007
1007
1008
1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006

Ozone (du)

323
323
324
328
334
348
359
369
371
371
375
379
383
384
387
390
393
396
398
400
402
403
405
404

Monday 22

Waxing Crescent 6%

10:39

17:57

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 08:08, Set: 15:51, Transit: 12:00. Moon - Rise: 10:39, Set: 17:57. Civil Dark: 16:32 - 07:27. Nautical Dark: 17:16 - 06:44. Astro Dark: 17:58 - 06:02

Total Clouds (% Sky Obscured)

99
99
99
100
100
100
100
99
97
96
96
95
96
96
96
95
96
94
92
92
91
88
92
96

Low Clouds (% Sky Obscured)

94
95
97
97
94
91
91
89
87
83
83
82
80
79
79
79
81
83
85
85
84
83
88
92

Medium Clouds (% Sky Obscured)

35
33
34
38
56
73
89
84
85
80
88
93
92
86
77
66
64
48
30
55
55
55
50
45

High Clouds (% Sky Obscured)

56
56
60
65
72
71
64
53
47
40
29
21
10
10
15
20
20
20
20
20
30
40
45
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
6
7
8
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 (%)

18
14
10
1
3
3
1
18
25
28
26
23
20
20
17
8
11
9
0
1
1
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
82
82
84
84
87
88
90
91
91
93
93
93
93
93
93
93
93
93
91
91
93
93
94

Pressure (mb)

1006
1005
1006
1006
1006
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1007
1008
1008
1008
1009
1009
1009
1010

Ozone (du)

402
401
401
400
400
399
398
398
398
399
400
399
397
396
397
397
398
399
400
402
402
402
403
403

Tuesday 23

Waxing Crescent 12%

10:54

19:15

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
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: 08:09, Set: 15:52, Transit: 12:00. Moon - Rise: 10:54, Set: 19:15. Civil Dark: 16:33 - 07:28. Nautical Dark: 17:17 - 06:44. Astro Dark: 17:58 - 06:03

Total Clouds (% Sky Obscured)

100
98
95
93
74
55
40
46
48
53
66
78
88
87
83
79
77
80
93

Low Clouds (% Sky Obscured)

98
97
95
92
73
53
33
36
39
42
53
61
71
71
67
60
71
79
90

Medium Clouds (% Sky Obscured)

45
49
43
43
41
55
40
46
38
27
32
33
34
30
29
24
31
41
50

High Clouds (% Sky Obscured)

55
57
53
41
44
55
40
46
48
53
65
55
50
42
26
16
10
8
10

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
1
0
2
3
2
5
5
1
3
3
0
2
2
1
8
10
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
89
88
86
88
86
85
85
86
86
86
88
89
88
89
89
91
93

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013

Ozone (du)

404
404
404
404
404
406
408
411
412
414
415
416
417
417
416
414
412
411
409

Forecast for Blunham, Central Bedfordshire, United Kingdom (52.15,-0.32)

Generated: 17/12/25 11:25:52. Forecast: 17/12/25 to 23/12/25. Timezone: UTC+0.00