Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 9

Waning Gibbous 64%

00:02

10:38

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:05, Set: 16:09, Transit: 12:07. Moon - Rise: 00:02, Set: 10:38. Civil Dark: 16:48 - 07:26. Nautical Dark: 17:31 - 06:43. Astro Dark: 18:12 - 06:02

Total Clouds (% Sky Obscured)

88
91
93
95
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
99
96

Low Clouds (% Sky Obscured)

83
91
93
95
96
97
93
90
91
91
88
83
83
82
82
80
73
79
82
83
71
79
85
83

Medium Clouds (% Sky Obscured)

12
36
44
28
86
100
100
100
100
100
100
100
100
99
97
91
99
100
100
100
100
100
96
86

High Clouds (% Sky Obscured)

15
30
30
30
30
69
96
100
100
100
100
100
50
60
70
99
100
100
100
100
92
82
72
67

ISS Passover

Visibility (miles)

9
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
5
5

Fog (%)

0
0
0
6
61
0
27
100
23
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
Light Rain
Light Rain
Light Rain
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
None
None

Precipitation Probability (%)

38
36
23
61
95
95
95
95
95
95
95
86
83
80
71
60
43
33
32
20
15
19
17
20

Precipitation Amount (mm)

0
0
0
0
0.6
1.1
1
1.1
1
0.9
0.7
0.5
0.5
0.5
0.4
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
9
13
18
16
20
20
20
22
23
23
23
22
22
21
20
20
19
19
19
19
19
19
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
98
96
96
98
98
96
96
96
96
98
96
96
98
96
96
96
94
94
94
93
93

Pressure (mb)

978
978
979
980
982
983
986
987
989
990
991
992
992
993
994
995
996
998
999
1000
1001
1002
1003
1004

Ozone (du)

361
360
361
371
380
373
382
384
387
391
391
389
391
394
393
395
398
397
399
399
390
383
379
376

Saturday 10

Third Quarter 54%

No Rise

10:48

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 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK

Sun - Rise: 08:05, Set: 16:10, Transit: 12:07. Moon - Rise: No Rise, Set: 10:48. Civil Dark: 16:50 - 07:25. Nautical Dark: 17:33 - 06:42. Astro Dark: 18:14 - 06:01

Total Clouds (% Sky Obscured)

92
96
89
68
71
62
60
64
66
59
63
58
55
56
47
42
38
48
51
72
82
84
76
47

Low Clouds (% Sky Obscured)

83
74
79
53
38
57
55
62
60
52
58
54
47
49
45
36
32
43
51
70
81
67
33
13

Medium Clouds (% Sky Obscured)

70
78
47
65
71
40
40
30
21
11
23
3
3
1
0
0
0
0
0
0
0
1
1
1

High Clouds (% Sky Obscured)

79
61
45
60
55
55
2
2
2
3
0
0
0
0
1
30
22
24
10
25
25
69
68
47

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
3
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 (%)

20
16
19
17
15
17
21
18
19
8
18
17
17
7
13
3
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
17
17
16
15
15
14
13
12
13
12
11
10
9
8
7
6
5
4
3
3
2
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
96
96
94
94
94
96
96
94
96
93
91
93
91
94
94
94
94
94
91
89
86
84

Pressure (mb)

1004
1006
1007
1008
1008
1009
1010
1012
1013
1014
1014
1015
1015
1016
1017
1018
1019
1019
1020
1021
1021
1022
1022
1022

Ozone (du)

376
376
373
373
381
386
381
374
376
379
378
377
376
373
366
359
359
359
356
351
346
343
338
329

Sunday 11

Waning Crescent 44%

01:16

11:00

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:04, Set: 16:11, Transit: 12:08. Moon - Rise: 01:16, Set: 11:00. Civil Dark: 16:51 - 07:25. Nautical Dark: 17:34 - 06:42. Astro Dark: 18:15 - 06:01

Total Clouds (% Sky Obscured)

57
93
100
83
90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
99

Low Clouds (% Sky Obscured)

0
13
0
1
0
9
17
45
57
46
40
56
38
67
49
100
100
97
93
91
93
96
98
95

Medium Clouds (% Sky Obscured)

2
52
98
81
86
71
99
100
100
99
100
99
100
100
100
100
100
100
99
97
98
95
93
76

High Clouds (% Sky Obscured)

57
77
66
59
79
100
100
100
75
99
94
100
100
100
100
100
100
100
100
100
80
60
40
53

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
9
9
6
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
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
9
66
69
34
31
40
50
69
77
76
61

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0.3
0.3
0.3
0.2

Wind Speed/Direction (mph)

3
4
5
5
6
7
7
9
11
12
14
14
15
16
17
18
20
20
21
22
22
22
21
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
84
84
84
83
84
83
81
78
78
80
81
81
83
83
84
83
85
88
89
93
93
93

Pressure (mb)

1022
1023
1022
1022
1022
1021
1021
1021
1021
1020
1019
1019
1018
1017
1016
1014
1013
1012
1011
1010
1009
1007
1007
1006

Ozone (du)

324
322
321
316
311
306
304
305
308
308
312
314
311
306
302
298
298
300
302
305
306
304
302
306

Monday 12

Waning Crescent 35%

02:30

11:13

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:03, Set: 16:13, Transit: 12:08. Moon - Rise: 02:30, Set: 11:13. Civil Dark: 16:52 - 07:24. Nautical Dark: 17:35 - 06:41. Astro Dark: 18:16 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
78
50
77
81
86
90
95
100
100

Low Clouds (% Sky Obscured)

93
90
84
77
70
65
61
57
61
61
61
56
52
47
45
52
43
34
36
47
40
40
43
52

Medium Clouds (% Sky Obscured)

57
40
60
61
62
95
100
100
100
100
100
55
57
86
51
27
11
7
4
0
15
53
100
82

High Clouds (% Sky Obscured)

75
100
100
100
100
100
100
100
100
100
100
72
50
25
25
0
1
33
46
56
71
85
100
100

ISS Passover

Visibility (miles)

9
3
5
4
9
9
4
6
3
9
8
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
Very Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

82
51
67
58
35
52
67
71
68
26
22
20
22
22
15
9
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
16
14
14
13
13
12
14
13
14
15
14
14
14
13
12
12
12
10
10
10
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
94
95
95
95
93
93
91
88
90
83
81
81
84
81
84
87
88
88
88
88
91

Pressure (mb)

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

Ozone (du)

305
303
305
305
306
303
302
302
303
307
310
312
316
323
328
330
328
323
321
325
330
330
326
323

Tuesday 13

Waning Crescent 26%

03:44

11:32

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:03, Set: 16:14, Transit: 12:09. Moon - Rise: 03:44, Set: 11:32. Civil Dark: 16:54 - 07:23. Nautical Dark: 17:37 - 06:41. Astro Dark: 18:17 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94

Low Clouds (% Sky Obscured)

53
62
71
79
85
86
88
89
90
90
90
89
89
88
83
77
72
73
75
77
74
73
69
72

Medium Clouds (% Sky Obscured)

57
40
49
57
56
71
85
100
100
95
100
100
100
100
100
100
100
100
100
99
97
94
90
67

High Clouds (% Sky Obscured)

100
100
100
100
98
87
96
74
77
100
100
100
100
100
100
100
100
100
100
100
92
86
78
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
4
3
2
1
2
2
2
3
4
5
6
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
1
1
3
19
39
59
94
95
95
95
95
95
95
95
95
95
85
67
49
31
3
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.6
1
1.3
2.2
1.9
1.3
1
1
0.9
0.7
0.5
0.3
0
0
0
0

Wind Speed/Direction (mph)

8
9
8
8
8
8
8
7
7
9
10
10
10
11
12
11
11
11
10
8
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
94
94
94
96
95
95
96
98
98
98
98
98
98
94
94
93
93
91
91
91
91

Pressure (mb)

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

Ozone (du)

321
322
322
320
318
317
317
320
323
326
327
328
329
330
331
333
336
338
341
343
346
347
348
348

Wednesday 14

Waning Crescent 18%

04:57

11:57

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 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:02, Set: 16:16, Transit: 12:09. Moon - Rise: 04:57, Set: 11:57. Civil Dark: 16:55 - 07:23. Nautical Dark: 17:38 - 06:40. Astro Dark: 18:18 - 05:59

Total Clouds (% Sky Obscured)

88
82
85
85
89
85
78
71
77
83
90
85
75
29
40
60
79
82
84
86
88
93
98
97

Low Clouds (% Sky Obscured)

74
73
66
64
62
60
66
64
71
79
87
73
59
29
40
52
56
45
34
22
42
62
87
75

Medium Clouds (% Sky Obscured)

43
17
23
34
41
22
4
0
4
8
12
25
34
29
37
39
37
49
64
78
73
66
63
70

High Clouds (% Sky Obscured)

56
40
25
17
11
6
3
0
0
0
0
1
2
3
6
10
14
24
32
39
52
67
78
69

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
0
2
1
1
1
0
0
0
0
1
14
17
16
5
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
91
91
91
91
91
89
83
76
69
72
76
81
83
88
91
90
91
90
90
90
91

Pressure (mb)

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

Ozone (du)

354
359
365
368
372
376
368
361
353
349
344
340
340
339
339
344
349
354
353
352
351
352
353
354

Thursday 15

Waning Crescent 11%

06:05

12:33

Sun - Rise: 08:01, Set: 16:18, Transit: 12:09. Moon - Rise: 06:05, Set: 12:33. Civil Dark: 16:57 - 07:22. Nautical Dark: 17:39 - 06:39. Astro Dark: 18:20 - 05:59

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Bourn, Cambridgeshire, United Kingdom (52.20,-0.05)

Generated: 09/01/26 01:36:51. Forecast: 09/01/26 to 15/01/26. Timezone: UTC+0.00