Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 31

Waxing Gibbous 97%

13:18

06:44

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

Sun - Rise: 08:17, Set: 15:59, Transit: 12:08. Moon - Rise: 13:18, Set: 06:44. Civil Dark: 16:41 - 07:35. Nautical Dark: 17:25 - 06:51. Astro Dark: 18:07 - 06:09

Total Clouds (% Sky Obscured)

30
62
71
95
100
100
99
100
99
84
100
81
41
74
100
100
100
100
100
82
87
58
40
74

Low Clouds (% Sky Obscured)

25
32
27
41
39
32
47
60
48
45
23
3
32
31
26
28
44
36
40
46
44
14
0
0

Medium Clouds (% Sky Obscured)

0
3
0
24
73
25
20
26
0
0
0
0
0
2
2
67
62
57
47
37
37
54
40
74

High Clouds (% Sky Obscured)

30
43
66
68
100
100
99
100
33
28
73
81
41
74
100
100
100
100
100
73
70
43
10
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
None
None
None
None
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow

Precipitation Probability (%)

0
1
2
1
3
14
47
61
33
4
0
0
0
0
0
1
2
1
0
0
0
1
23
50

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
77
77
77
78
80
83
91
80
76
76
73
72
70
70
68
68
67
69
69
70
72
72
91

Pressure (mb)

1019
1018
1017
1015
1014
1012
1011
1010
1010
1010
1010
1010
1010
1009
1009
1008
1008
1008
1007
1007
1007
1007
1007
1007

Ozone (du)

299
302
296
293
289
294
298
311
330
345
369
378
375
375
373
373
372
359
352
350
351
357
362
367

Thursday 1

Waxing Gibbous 95%

14:20

08:02

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

Sun - Rise: 08:17, Set: 16:00, Transit: 12:09. Moon - Rise: 14:20, Set: 08:02. Civil Dark: 16:42 - 07:35. Nautical Dark: 17:26 - 06:51. Astro Dark: 18:08 - 06:09

Total Clouds (% Sky Obscured)

71
69
17
72
98
100
99
28
0
0
0
0
0
28
36
22
34
22
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
33
12
4
28
0
0
0
0
0
28
36
22
34
22
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

71
69
17
43
71
50
50
0
0
0
0
0
0
0
1
1
0
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
1
0
9
9
1
0
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

70
67
30
7
20
43
29
13
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0.4
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)

17
17
8
4
4
5
4
7
11
13
14
15
16
15
15
15
14
12
12
10
10
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
93
94
88
88
89
94
88
71
71
67
64
61
62
62
63
64
66
69
75
73
74
67
65

Pressure (mb)

1006
1006
1006
1006
1006
1006
1005
1005
1006
1006
1007
1007
1007
1007
1007
1007
1008
1008
1009
1009
1010
1010
1010
1011

Ozone (du)

370
367
364
367
368
366
365
364
367
369
369
373
373
369
365
360
354
352
346
330
317
319
318
323

Friday 2

Waxing Gibbous 100%

15:42

08:57

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

Sun - Rise: 08:16, Set: 16:01, Transit: 12:09. Moon - Rise: 15:42, Set: 08:57. Civil Dark: 16:43 - 07:35. Nautical Dark: 17:27 - 06:51. Astro Dark: 18:09 - 06:09

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
7
1
0
4
1
0
5
4
2
4
18
3

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
4
2
2
7
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
7
1
0
0
1
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
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
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
62
63
62
61
60
60
58
60
58
57
54
51
51
49
53
57
59
61
63
62
66
62
63

Pressure (mb)

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

Ozone (du)

327
329
332
337
343
346
353
355
362
366
367
366
362
355
350
350
350
342
339
339
341
350
347
349

Saturday 3

Full Moon 99%

17:14

09:33

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

Sun - Rise: 08:16, Set: 16:03, Transit: 12:09. Moon - Rise: 17:14, Set: 09:33. Civil Dark: 16:44 - 07:35. Nautical Dark: 17:28 - 06:51. Astro Dark: 18:10 - 06:09

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
58
55
50
45
50
6
39

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
43
40
35
31
30
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
2
18
4
2
2
39

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
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
1
4
3
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-7
-8
-9
-9
-9
-8
-8
-8
-9
-9
-9
-9
-8
-7
-5
-5
-5
-5
-4
-3
-4
-3

Relative Humidity (%)

68
68
68
64
61
60
62
63
64
64
60
55
50
48
48
53
63
72
75
75
80
83
78
89

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018

Ozone (du)

350
336
338
343
345
348
354
355
358
362
366
371
370
372
373
375
375
377
379
382
384
384
383
385

Sunday 4

Waning Gibbous 96%

18:46

09:56

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

Sun - Rise: 08:16, Set: 16:04, Transit: 12:10. Moon - Rise: 18:46, Set: 09:56. Civil Dark: 16:45 - 07:35. Nautical Dark: 17:29 - 06:50. Astro Dark: 18:11 - 06:08

Total Clouds (% Sky Obscured)

35
35
35
10
28
69
66
62
60
50
45
45
45
49
46
58
68
80
87
82
82
60
54
53

Low Clouds (% Sky Obscured)

0
3
4
1
12
26
33
29
23
17
28
39
45
49
43
41
45
48
51
48
48
45
39
33

Medium Clouds (% Sky Obscured)

35
35
35
3
17
37
55
60
60
50
45
45
45
49
40
32
38
48
49
44
43
42
42
44

High Clouds (% Sky Obscured)

0
35
3
2
1
2
3
2
1
0
0
0
0
0
0
0
0
0
0
4
7
9
8
9

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
Snow
Snow
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
2
0
0
0
0
0
0
10
16
20
28
21
10
11
11
8
10
11
10
12
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
87
87
89
87
84
81
78
74
74
63
56
52
54
55
56
60
64
67
66
65
63
66

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

385
383
381
382
384
388
391
392
389
375
374
373
380
387
386
385
384
383
383
383
381
380
378
374

Monday 5

Waning Gibbous 90%

20:13

10:12

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 OK
17 OK
18 OK
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 08:15, Set: 16:05, Transit: 12:10. Moon - Rise: 20:13, Set: 10:12. Civil Dark: 16:46 - 07:34. Nautical Dark: 17:31 - 06:50. Astro Dark: 18:12 - 06:08

Total Clouds (% Sky Obscured)

65
65
70
74
83
93
96
97
98
99
98
97
95
97
98
99
71
36
10
19
18
21
18
19

Low Clouds (% Sky Obscured)

29
28
26
25
28
33
34
46
60
73
75
74
77
79
78
73
51
29
10
19
18
18
17
4

Medium Clouds (% Sky Obscured)

49
48
43
38
46
40
40
40
40
40
55
66
82
89
94
97
71
36
10
16
15
15
15
12

High Clouds (% Sky Obscured)

9
8
7
5
19
31
42
31
20
9
10
6
2
4
8
11
7
3
2
2
1
1
1
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
6
3
1
0

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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
Snow
Snow
Snow

Precipitation Probability (%)

6
12
12
7
13
13
10
18
21
22
39
48
53
51
46
30
24
17
6
22
38
47
55
58

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.1
0
0
0
0
0
0
0.2
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
70
72
75
80
80
81
84
84
86
86
81
77
71
76
78
83
86
88
91
91
91
91
94

Pressure (mb)

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

Ozone (du)

370
367
364
361
358
357
357
356
356
356
356
356
357
358
359
360
362
364
367
370
371
372
373
373

Tuesday 6

Waning Gibbous 83%

21:35

10:23

23 Bad
00 Bad
01 Bad
02 OK
03 OK
04 OK
05 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:15, Set: 16:07, Transit: 12:11. Moon - Rise: 21:35, Set: 10:23. Civil Dark: 16:48 - 07:34. Nautical Dark: 17:32 - 06:50. Astro Dark: 18:13 - 06:08

Total Clouds (% Sky Obscured)

30
30
25
20
22
29
37
55
70
79
73
68
67
77
85
96
98
99
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
16
30
42
33
24
16
30
43
56
48
38
31

Medium Clouds (% Sky Obscured)

10
8
4
0
7
11
17
23
32
35
29
36
46
54
66
77
86
91
99

High Clouds (% Sky Obscured)

0
0
0
0
2
3
7
6
4
3
6
9
12
37
65
94
97
98
100

ISS Passover

Visibility (miles)

0
0
3
6
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

Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

51
37
25
5
4
2
0
1
2
1
5
9
13
13
10
4
7
7
3

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
100
96
92
89
87
86
84
84
81
81
78
75
73
77
81
84
86
88

Pressure (mb)

1020
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021

Ozone (du)

373
372
370
367
365
363
362
360
352
344
336
324
312
299
298
298
297
295
293

Forecast for Basford, Nottinghamshire, United Kingdom (52.94,-1.19)

Generated: 31/12/25 23:11:14. Forecast: 31/12/25 to 06/01/26. Timezone: UTC+0.00