Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 7%

05:59

13:31

17 Bad
18 Bad
19 Bad
20 Bad
21 Good
22 Good
23 Good
00 Bad
01 OK
02 OK
03 OK
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

Sun - Rise: 08:06, Set: 15:50, Transit: 11:58. Moon - Rise: 05:59, Set: 13:31. Civil Dark: 16:31 - 07:25. Nautical Dark: 17:14 - 06:41. Astro Dark: 17:56 - 06:00

Total Clouds (% Sky Obscured)

96
97
81
62
5
4
8
46
36
33
33
60
74
97
100
100
98
100
100
100
99
97
97
100

Low Clouds (% Sky Obscured)

28
0
0
15
4
4
8
15
36
33
33
36
35
4
0
4
27
28
51
43
53
65
91
100

Medium Clouds (% Sky Obscured)

92
81
24
50
2
0
0
0
0
0
0
0
7
22
38
43
98
100
99
99
98
91
90
96

High Clouds (% Sky Obscured)

26
2
0
0
0
0
1
20
2
8
7
40
48
94
100
100
91
100
100
100
74
60
55
53

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
7
33
84
100
100
100
100
100
100
9
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
3
0
0
0
0
0
0
0
0
0
0
0
0
0
4
16
33
39
30
13
19

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)

6
6
4
5
5
5
5
4
5
5
5
6
6
7
8
9
11
12
13
15
15
16
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
86
91
89
91
91
91
91
91
91
91
91
91
89
86
82
82
82
81
82
81
82
82

Pressure (mb)

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

Ozone (du)

349
353
359
350
343
339
335
328
323
321
317
313
308
304
303
301
299
301
300
299
298
298
298
296

Wednesday 17

Waning Crescent 3%

07:10

14:00

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:06, Set: 15:50, Transit: 11:58. Moon - Rise: 07:10, Set: 14:00. Civil Dark: 16:31 - 07:26. Nautical Dark: 17:15 - 06:42. Astro Dark: 17:56 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
94
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

86
100
100
100
87
100
93
100
100
100
78
60
63
72
73
71
78
93
100
92
95
96
93
32

Medium Clouds (% Sky Obscured)

88
83
88
98
90
96
98
90
78
100
100
100
98
62
100
78
99
100
100
100
100
100
97
98

High Clouds (% Sky Obscured)

100
77
75
65
66
100
68
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

34
37
52
37
69
63
90
91
37
41
33
19
11
22
27
45
60
91
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0.2
0
0.3
0.2
0.5
0.4
0
0
0
0
0
0
0
0
0.2
0.6
1.2
1.4
1.2
0.6
0.5
1.5

Wind Speed/Direction (mph)

18
19
20
20
21
21
21
20
20
19
16
13
10
9
11
13
15
15
16
17
20
21
24
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
87
88
87
90
90
90
90
91
95
95
96
96
95
93
93
95
93
91
90
88
86
84

Pressure (mb)

1011
1010
1010
1009
1009
1009
1008
1008
1007
1007
1008
1007
1007
1007
1007
1007
1006
1005
1004
1002
1000
999
998
998

Ozone (du)

294
296
301
301
298
298
298
306
310
313
316
313
309
309
303
301
297
295
295
297
297
295
292
289

Thursday 18

Waning Crescent 1%

08:15

14:40

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

Sun - Rise: 08:07, Set: 15:51, Transit: 11:59. Moon - Rise: 08:15, Set: 14:40. Civil Dark: 16:32 - 07:26. Nautical Dark: 17:15 - 06:42. Astro Dark: 17:56 - 06:01

Total Clouds (% Sky Obscured)

100
100
98
85
98
100
96
2
80
75
75
72
70
71
44
22
25
25
29
33
28
26
28
29

Low Clouds (% Sky Obscured)

85
63
61
60
73
49
10
1
10
17
25
25
12
17
25
22
25
25
29
31
28
26
28
29

Medium Clouds (% Sky Obscured)

100
88
94
52
53
55
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
83
69
93
100
64
2
56
50
60
60
50
35
13
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
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 (%)

95
26
16
17
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.7
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
24
23
22
22
21
17
14
14
14
14
14
14
14
13
13
13
13
14
14
13
12
11
10

Chance of Frost

Temperature (°C)

11
11
11
10
10
9
8
8
7
6
6
6
6
5
5
5
5
6
7
8
8
8
8
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
80
83
78
78
78
77
74
78
81
79
82
85
86
86
88
88
86
85
82
81
81
84
88

Pressure (mb)

998
998
998
1001
1002
1005
1007
1008
1009
1010
1010
1011
1012
1012
1013
1014
1015
1016
1016
1016
1016
1016
1017
1017

Ozone (du)

291
293
307
325
331
345
351
356
355
355
356
361
363
368
375
378
376
368
341
319
318
322
321
309

Friday 19

Waning Crescent 0%

09:09

15:35

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

Sun - Rise: 08:08, Set: 15:51, Transit: 11:59. Moon - Rise: 09:09, Set: 15:35. Civil Dark: 16:32 - 07:27. Nautical Dark: 17:15 - 06:43. Astro Dark: 17:57 - 06:01

Total Clouds (% Sky Obscured)

33
30
24
19
12
7
7
17
25
29
31
29
49
86
80
51
38
43
36
51
66
68
81
89

Low Clouds (% Sky Obscured)

33
28
23
17
12
6
1
16
25
29
31
29
49
67
65
51
38
43
36
43
51
60
66
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
62
56

High Clouds (% Sky Obscured)

0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
5
3
34
61

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
2
1
6

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
90
91
91
93
93
93
93
91
93
91
91
93
93
91
90
87
85
82
82
79
82
82

Pressure (mb)

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

Ozone (du)

305
303
300
298
296
294
291
288
284
280
280
282
286
291
293
298
301
302
306
307
309
307
307
311

Saturday 20

New Moon 2%

09:49

16:42

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:08, Set: 15:51, Transit: 12:00. Moon - Rise: 09:49, 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)

95
95
96
96
97
97
100
100
100
100
100
100
100
100
99
98
99
99
100
100
100
100
84
70

Low Clouds (% Sky Obscured)

55
67
75
84
81
84
91
89
88
89
83
79
74
70
74
77
83
88
94
85
76
69
65
65

Medium Clouds (% Sky Obscured)

58
63
76
93
90
91
83
99
100
100
100
100
100
96
95
94
94
96
98
93
90
94
69
45

High Clouds (% Sky Obscured)

84
70
53
40
56
47
94
97
99
100
93
100
100
93
87
80
80
83
87
78
70
61
54
43

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
4
4
4
5
6
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
2
5
7
15
22
28
39
45
51
44
34
41
67
74
86
76
63
54
56
58
61
52
39

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.7
0.5
0.3
0
0
0.2
0.3
0
0

Wind Speed/Direction (mph)

13
13
13
13
14
13
13
13
13
13
12
12
11
10
8
8
8
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
86
83
82
80
80
82
82
81
81
82
82
87
90
90
91
91
93
94
94
96
94
96
94

Pressure (mb)

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

Ozone (du)

313
314
317
322
324
328
324
322
321
317
318
320
321
322
333
344
355
359
363
368
370
372
375
379

Sunday 21

Waxing Crescent 6%

10:18

No Set

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:09, Set: 15:52, Transit: 12:00. Moon - Rise: 10:18, Set: No Set. Civil Dark: 16:33 - 07:28. Nautical Dark: 17:16 - 06:44. Astro Dark: 17:58 - 06:02

Total Clouds (% Sky Obscured)

58
69
82
92
95
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

58
60
56
55
56
56
55
60
66
71
78
87
95
94
93
91
86
80
72
66
61
57
63
69

Medium Clouds (% Sky Obscured)

35
49
61
67
83
87
89
94
97
100
100
100
100
100
100
100
83
67
51
47
45
44
41
42

High Clouds (% Sky Obscured)

35
41
56
70
79
90
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
93
87

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
4
2
2
2
2
4
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

19
16
11
0
1
1
1
29
41
50
67
81
92
95
95
95
89
68
23
24
18
0
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.6
0.7
0.7
0.7
0.5
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
7
7
7
7
7
8
9
11
11
12
13
13
14
14
14
13
12
11
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
7
7
7
7
6

Relative Humidity (%)

96
94
94
96
96
96
94
94
94
96
96
96
96
98
96
93
93
93
91
91
91
91
90
87

Pressure (mb)

1004
1005
1005
1005
1006
1006
1006
1006
1005
1005
1005
1004
1004
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

383
387
388
388
389
388
388
387
388
388
389
390
391
392
394
396
398
401
405
408
410
412
414
414

Monday 22

Waxing Crescent 12%

10:39

17:58

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
11 Bad

Sun - Rise: 08:09, Set: 15:53, Transit: 12:01. Moon - Rise: 10:39, Set: 17:58. Civil Dark: 16:34 - 07:28. Nautical Dark: 17:17 - 06:44. Astro Dark: 17:58 - 06:03

Total Clouds (% Sky Obscured)

97
96
96
95
96
95
93
93
95
99
99
98
99
98
98
97
98
99
99

Low Clouds (% Sky Obscured)

75
71
69
66
67
69
71
70
72
70
53
38
30
20
10
10
6
16
17

Medium Clouds (% Sky Obscured)

39
38
29
28
23
22
24
26
25
27
21
20
18
27
37
52
64
75
84

High Clouds (% Sky Obscured)

80
82
79
72
77
84
92
70
47
24
34
53
72
50
28
7
11
16
20

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 (%)

1
2
2
0
1
1
1
2
2
0
1
1
0
2
3
2
6
7
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
79
82
87
90
91
91
91
93
93
93
93
93
93
93
94
94
93
90

Pressure (mb)

1004
1005
1005
1005
1006
1006
1006
1006
1007
1007
1007
1007
1008
1008
1008
1009
1009
1009
1010

Ozone (du)

413
413
410
408
405
403
400
398
396
395
393
394
395
395
395
395
395
395
396

Forecast for Bedford, Bedford, United Kingdom (52.14,-0.47)

Generated: 16/12/25 17:34:05. Forecast: 16/12/25 to 22/12/25. Timezone: UTC+0.00