Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 4

Waning Gibbous 96%

17:21

09:51

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

Sun - Rise: 08:10, Set: 16:09, Transit: 12:10. Moon - Rise: 17:21, Set: 09:51. Civil Dark: 16:49 - 07:30. Nautical Dark: 17:32 - 06:47. Astro Dark: 18:13 - 06:07

Total Clouds (% Sky Obscured)

23
37
43
16
13
100
70
19
36
56
81
87
95
92
34
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
10
42
43
53
28
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

23
37
39
11
13
100
70
19
36
33
77
40
37
29
10
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
24
35
19
36
3
7
2
1
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
1
4
10
9
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
66
74
78
81
86
89
92
91
92
92
92
91
89
87
91
89
82
76
71
59
54
53
54

Pressure (mb)

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

Ozone (du)

348
348
349
352
355
367
370
382
395
402
403
389
390
387
391
389
392
387
397
402
407
414
415
411

Monday 5

Waning Gibbous 90%

18:52

10:08

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

Sun - Rise: 08:09, Set: 16:11, Transit: 12:11. Moon - Rise: 18:52, Set: 10:08. Civil Dark: 16:50 - 07:30. Nautical Dark: 17:33 - 06:47. Astro Dark: 18:14 - 06:07

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
8
8
51
24
7
8
29

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
3
3
21
13
7
8
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
2
1
17
7
8
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
62
68
77
78
79
78
76
76
76
79
81
81
81
82
84
81
81
82
78
70
62
61
64

Pressure (mb)

1016
1017
1017
1018
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1019

Ozone (du)

406
402
405
411
415
417
417
418
414
409
403
399
395
390
389
390
387
385
382
379
378
376
375
376

Tuesday 6

Waning Gibbous 83%

20:17

10:22

14 Bad
15 OK
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
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:09, Set: 16:12, Transit: 12:11. Moon - Rise: 20:17, Set: 10:22. Civil Dark: 16:51 - 07:29. Nautical Dark: 17:34 - 06:47. Astro Dark: 18:15 - 06:06

Total Clouds (% Sky Obscured)

54
34
55
96
92
99
94
99
93
71
60
91
71
39
68
40
50
57
56
57
67
72
81
87

Low Clouds (% Sky Obscured)

8
8
4
6
69
94
81
79
86
65
55
64
61
35
65
20
15
4
6
4
3
1
24
47

Medium Clouds (% Sky Obscured)

54
34
55
96
92
99
94
99
62
51
60
21
71
18
0
40
50
57
56
57
67
37
77
45

High Clouds (% Sky Obscured)

32
30
30
14
16
24
4
1
0
0
0
65
60
39
35
30
25
20
20
23
31
39
44
46

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
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
Very Light Rain
None
None
None
Light Rain
None
None
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
6
13
31
31
38
56
50
49
39
71
12
19
69
26
1
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0
0
0
0.4
0
0
0.6
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
9
9
10
11
13
14
15
16
17
16
14
15
13
13
11
8
7
7
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
77
86
89
89
88
80
82
86
88
82
89
82
89
86
91
94
94
94
93
89
86
83
82

Pressure (mb)

1018
1018
1017
1016
1016
1015
1014
1013
1012
1011
1011
1010
1010
1010
1010
1010
1011
1011
1012
1012
1012
1013
1013
1012

Ozone (du)

377
375
380
380
381
378
378
379
379
378
377
375
371
374
372
373
377
373
361
345
338
333
327
322

Wednesday 7

Waning Gibbous 74%

21:37

10:33

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
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:08, Set: 16:13, Transit: 12:11. Moon - Rise: 21:37, Set: 10:33. Civil Dark: 16:53 - 07:29. Nautical Dark: 17:35 - 06:47. Astro Dark: 18:16 - 06:06

Total Clouds (% Sky Obscured)

93
96
98
98
100
100
100
100
100
100
99
98
96
97
98
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

74
84
94
98
93
85
79
71
62
56
58
56
42
27
24
37
25
7
5
3
1
1
28
58

Medium Clouds (% Sky Obscured)

79
91
96
85
48
100
100
85
85
73
70
72
78
66
74
83
82
100
100
96
100
100
98
90

High Clouds (% Sky Obscured)

51
63
75
84
92
96
100
100
100
100
96
92
88
92
96
100
100
100
100
73
47
25
46
73

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
9
8
1
0
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain

Precipitation Probability (%)

0
13
20
28
27
30
43
28
18
11
12
0
0
0
0
0
0
0
0
1
2
5
45
72

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
91
93
93
93
94
96
96
98
98
100
98
94
93
91
91
85
89
91
93
91
88
88
88

Pressure (mb)

1012
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1010
1010
1010
1009
1008

Ozone (du)

318
312
312
313
314
316
318
320
320
320
321
322
324
323
323
323
328
327
325
324
321
320
319
320

Thursday 8

Waning Gibbous 64%

22:53

10:43

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
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:08, Set: 16:15, Transit: 12:12. Moon - Rise: 22:53, Set: 10:43. Civil Dark: 16:54 - 07:29. Nautical Dark: 17:36 - 06:46. Astro Dark: 18:17 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
92
83
75
83
90
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

96
96
92
89
93
96
100
91
81
72
80
90
100
97
94
91
91
91
91
85
79
73
68
64

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
82
67
50
68
83
95
98
99
100
83
65
48
46
45
47
67
84

High Clouds (% Sky Obscured)

99
99
100
100
100
100
100
70
40
15
15
25
45
45
45
55
51
33
15
12
8
8
37
68

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Light Rain
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
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
83
64
38
38
41
47
45
42

Precipitation Amount (mm)

0.7
0.9
0.9
1.1
1.3
1.3
1.4
1.3
1.2
1
1.5
1.1
0.9
0.8
0.7
0.6
0.5
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
7
7
8
11
13
15
15
19
22
25
27
29
27
27
27
27
27
25
25
24
24
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
4
4
5
6
7
8
8
8
8
8
8
6
4
2
2
1
1
1
2
3
3

Relative Humidity (%)

88
88
91
93
94
94
94
96
96
93
91
90
91
90
85
84
79
78
75
73
76
80
83
85

Pressure (mb)

1007
1006
1005
1003
1002
1000
997
995
992
990
988
985
983
981
981
981
980
981
982
982
983
983
984
984

Ozone (du)

321
320
320
320
320
320
322
321
324
324
322
322
323
324
333
342
351
361
371
381
381
381
381
386

Friday 9

Waning Gibbous 54%

00:07

10:54

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 08:07, Set: 16:16, Transit: 12:12. Moon - Rise: 00:07, Set: 10:54. Civil Dark: 16:55 - 07:28. Nautical Dark: 17:38 - 06:46. Astro Dark: 18:18 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
100
96
92
88
73
62
47
42
29
17
21
26
31
39
43
45
63
81
99
100
100

Low Clouds (% Sky Obscured)

61
61
62
60
62
66
71
61
48
36
34
29
17
21
26
31
37
32
27
27
28
29
51
74

Medium Clouds (% Sky Obscured)

100
99
98
97
92
87
81
58
32
6
5
4
2
1
1
0
4
6
10
29
48
71
80
91

High Clouds (% Sky Obscured)

98
87
74
61
42
22
3
2
1
0
0
0
0
0
0
1
5
13
25
33
44
57
68
83

ISS Passover

Visibility (miles)

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

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
Very Light Rain

Precipitation Probability (%)

36
33
32
31
30
29
27
25
19
10
4
1
0
0
0
0
0
0
0
0
0
0
41
61

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
0.3

Wind Speed/Direction (mph)

23
23
22
21
20
20
20
21
20
19
18
17
16
16
15
14
13
12
11
10
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-5
-6
-7
-5
-5
-5
-6
-6
-6
-6
-6
-6
-5
-5
-6
-6
-5
-5
-5
-5
-5
-1

Dew Point (°C)

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

Relative Humidity (%)

86
86
86
85
86
86
86
86
80
76
71
71
69
69
70
70
70
73
76
80
79
77
78
83

Pressure (mb)

985
986
987
988
990
991
993
994
996
998
1000
1001
1003
1004
1005
1006
1007
1008
1008
1009
1009
1008
1008
1006

Ozone (du)

391
396
396
396
396
395
394
392
394
395
397
396
396
395
391
387
383
378
372
366
363
359
355
347

Saturday 10

Third Quarter 44%

01:20

11:06

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: 08:07, Set: 16:17, Transit: 12:13. Moon - Rise: 01:20, Set: 11:06. Civil Dark: 16:56 - 07:28. Nautical Dark: 17:39 - 06:45. Astro Dark: 18:19 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
95
90
85
90
96
100
99
96
92

Low Clouds (% Sky Obscured)

96
97
99
100
96
92
89
87
87
85
78
71
64
64
65
64

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
95
90
85
79
88
97
91
81
77

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
89
71
43
49
66
89
64
40
35

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

76
92
95
95
95
95
95
95
95
60
50
39
20
19
18
16

Precipitation Amount (mm)

0.4
0.6
0.7
0.9
1.1
1.3
1.6
1.2
0.7
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
13
14
15
18
17
16
17
17
18
18
18
18
18
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1004
1002
1000
998
995
994
992
991
991
990
990
989
989
989
989
988

Ozone (du)

340
332
330
327
324
322
319
317
318
319
320
320
319
318
317
315

Forecast for Culham, Oxfordshire, United Kingdom (51.66,-1.27)

Generated: 04/01/26 14:01:52. Forecast: 04/01/26 to 10/01/26. Timezone: UTC+0.00