Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waxing Gibbous 82%

12:39

05:13

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

Sun - Rise: 08:18, Set: 15:58, Transit: 12:09. Moon - Rise: 12:39, Set: 05:13. Civil Dark: 16:40 - 07:37. Nautical Dark: 17:25 - 06:52. Astro Dark: 18:07 - 06:10

Total Clouds (% Sky Obscured)

84
80
61
55
46
77
51
0
43
0
1
1
0
0
5
35
56
49
47
43
29
44
36
42

Low Clouds (% Sky Obscured)

64
35
33
45
46
73
46
0
43
0
0
0
0
0
5
35
56
48
47
43
29
29
31
33

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)

39
25
11
10
3
0
0
0
0
0
1
0
0
0
0
0
0
0
0
9
10
34
31
42

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
6
24
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
2
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)

7
6
6
6
6
6
7
6
6
5
5
4
4
4
4
5
6
6
7
8
10
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
74
76
80
84
88
89
88
88
88
84
81
80
81
83
84
88
89
84
82
79
79
77

Pressure (mb)

1036
1035
1035
1035
1036
1036
1036
1035
1035
1035
1035
1034
1033
1033
1032
1032
1031
1031
1030
1030
1029
1028
1028
1027

Ozone (du)

306
301
300
298
300
303
301
298
296
297
302
303
305
306
305
302
302
302
301
300
303
307
310
309

Wednesday 31

Waxing Gibbous 91%

13:20

06:45

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

Sun - Rise: 08:18, Set: 15:59, Transit: 12:09. Moon - Rise: 13:20, Set: 06:45. Civil Dark: 16:41 - 07:37. Nautical Dark: 17:25 - 06:52. Astro Dark: 18:08 - 06:10

Total Clouds (% Sky Obscured)

60
72
35
32
45
53
39
73
89
36
96
100
100
100
90
88
95
51
43
100
87
49
64
93

Low Clouds (% Sky Obscured)

60
54
27
23
44
53
39
71
63
9
76
79
58
82
59
76
50
47
43
33
35
33
28
41

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
33
0
0
0
0
27
57
60
56
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

16
53
26
32
6
3
11
20
28
36
90
100
100
100
63
69
85
51
43
96
85
49
64
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
2
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
Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
2
2
7
20
26
15
41
76
24
4
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.9
0
0
0
0
0

Wind Speed/Direction (mph)

10
9
9
9
10
11
11
13
13
14
15
15
16
15
15
15
15
16
15
14
15
17
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
83
83
83
86
86
86
83
83
78
80
78
77
77
77
83
86
93
94
73
70
70
71

Pressure (mb)

1026
1025
1025
1024
1023
1022
1021
1020
1019
1018
1017
1016
1015
1014
1012
1011
1011
1010
1010
1010
1009
1008
1008
1007

Ozone (du)

303
300
298
296
298
299
298
299
298
297
296
297
297
295
300
307
315
315
316
336
380
394
393
392

Thursday 1

Waxing Gibbous 97%

14:21

08:03

15 Bad
16 Bad
17 Bad
18 OK
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 OK
14 Good

Sun - Rise: 08:18, Set: 16:00, Transit: 12:10. Moon - Rise: 14:21, Set: 08:03. Civil Dark: 16:42 - 07:36. Nautical Dark: 17:26 - 06:52. Astro Dark: 18:08 - 06:10

Total Clouds (% Sky Obscured)

78
52
44
39
49
68
59
100
100
77
78
68
49
80
89
94
89
95
100
100
78
49
23
0

Low Clouds (% Sky Obscured)

43
46
44
36
44
43
28
0
0
0
0
0
28
50
67
65
80
83
79
8
8
5
3
0

Medium Clouds (% Sky Obscured)

18
0
2
0
2
4
59
100
96
77
78
40
22
34
52
60
60
92
100
100
78
33
16
0

High Clouds (% Sky Obscured)

61
42
34
39
45
68
59
88
100
77
65
3
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
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
None
None
None
None
None
None
None
None
None
None
None
Snow
None
None
None
None
None

Precipitation Probability (%)

0
1
0
0
0
0
0
0
0
0
0
1
11
18
33
39
41
56
80
41
14
4
3
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

18
17
17
15
14
14
14
14
14
14
13
13
12
12
12
9
7
8
9
8
10
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
76
77
77
79
73
72
70
70
68
69
68
68
69
69
70
75
78
81
84
78
76
71
59

Pressure (mb)

1007
1007
1007
1007
1007
1008
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1004

Ozone (du)

393
388
379
375
370
372
375
377
378
376
368
363
363
364
365
365
364
363
362
366
369
369
366
361

Friday 2

Waxing Gibbous 100%

No Rise

08:58

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 Good
10 Bad
11 Bad
12 Bad
13 Bad
14 Good

Sun - Rise: 08:18, Set: 16:01, Transit: 12:10. Moon - Rise: No Rise, Set: 08:58. Civil Dark: 16:43 - 07:36. Nautical Dark: 17:27 - 06:52. Astro Dark: 18:09 - 06:10

Total Clouds (% Sky Obscured)

0
0
2
0
0
0
0
0
0
5
9
11
7
3
0
0
0
0
17
66
87
72
62
12

Low Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
27
32
33
4
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
5
8
6
3
0
0
0
0
16
66
86
71
62
12

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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
63
66
68
64
64
63
63
61
61
61
60
60
60
60
61
59
59
58
55
52
52
52
50

Pressure (mb)

1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1007

Ozone (du)

358
351
350
345
344
344
348
349
353
359
364
365
369
371
373
375
380
381
383
386
386
385
382
374

Saturday 3

Full Moon 99%

15:43

09:34

15 Good
16 Good
17 Good
18 OK
19 OK
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 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:17, Set: 16:03, Transit: 12:11. Moon - Rise: 15:43, Set: 09:34. Civil Dark: 16:44 - 07:36. Nautical Dark: 17:28 - 06:52. Astro Dark: 18:10 - 06:10

Total Clouds (% Sky Obscured)

6
5
6
41
41
6
2
0
0
1
3
3
0
0
0
0
0
0
20
36
47
52
57
57

Low Clouds (% Sky Obscured)

0
0
1
4
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
6
13
19

Medium Clouds (% Sky Obscured)

5
4
2
41
41
6
2
0
0
0
0
0
0
0
0
0
0
0
12
24
36
38
41
39

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
1
1

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

11
9
7
6
9
9
9
9
11
12
12
12
12
12
12
12
10
9
9
10
11
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-8
-8
-8
-7
-7
-8
-8
-9
-10
-10
-10
-10
-10
-10
-9
-9
-9
-9
-9
-9
-9
-8

Relative Humidity (%)

52
55
58
61
59
62
64
63
61
57
54
55
55
56
56
57
58
59
59
56
52
48
50
53

Pressure (mb)

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

Ozone (du)

374
372
370
366
365
366
367
371
370
367
370
369
367
366
366
368
375
383
390
387
385
382
380
377

Sunday 4

Waning Gibbous 96%

17:15

09:57

15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 OK
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 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:17, Set: 16:04, Transit: 12:11. Moon - Rise: 17:15, Set: 09:57. Civil Dark: 16:45 - 07:36. Nautical Dark: 17:30 - 06:51. Astro Dark: 18:11 - 06:10

Total Clouds (% Sky Obscured)

64
67
65
53
41
29
29
27
25
25
5
5
5
0
10
50
65
65
64
49
49
31
26
20

Low Clouds (% Sky Obscured)

14
8
0
0
0
0
1
2
4
0
0
0
0
0
10
35
55
60
54
39
30
26
16
10

Medium Clouds (% Sky Obscured)

32
24
15
24
34
29
29
27
25
25
5
5
5
0
10
36
28
24
21
11
1
1
0
0

High Clouds (% Sky Obscured)

1
1
2
10
18
29
19
9
0
11
5
5
5
0
10
12
9
9
9
6
1
1
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
2
5
7
7
8
8
5
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
None
None
None
None
Snow
Snow
Snow
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

3
2
1
1
0
0
2
4
7
24
35
45
53
65
79
84
80
61
55
44
20
23
22
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.3
0.5
0.6
0.6
0.3
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-7
-6
-6
-5
-4
-4
-4
-3
-3
-3
-3
-2
-2
-1
0
1
1
2
2
2
2
1
1

Relative Humidity (%)

55
61
67
74
78
84
87
87
89
89
87
87
87
91
94
96
96
98
96
96
94
94
94
96

Pressure (mb)

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

Ozone (du)

375
374
373
372
371
370
369
366
364
361
364
368
372
374
377
379
382
384
387
383
380
376
376
376

Monday 5

Waning Gibbous 90%

18:47

10:13

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

Sun - Rise: 08:16, Set: 16:05, Transit: 12:11. Moon - Rise: 18:47, Set: 10:13. Civil Dark: 16:46 - 07:35. Nautical Dark: 17:31 - 06:51. Astro Dark: 18:12 - 06:09

Total Clouds (% Sky Obscured)

8
3
3
2
2
2
2
4
6
8
6
4
9
11
12
22
29
40
34
28
31

Low Clouds (% Sky Obscured)

8
3
3
2
1
1
1
1
1
2
2
3
9
11
12
22
29
40
34
28
31

Medium Clouds (% Sky Obscured)

0
1
1
2
2
2
2
4
6
8
6
2
9
11
12
22
23
12
8
5
1

High Clouds (% Sky Obscured)

0
0
0
0
1
1
1
1
1
1
0
0
0
1
1
1
1
1
1
0
0

ISS Passover

Visibility (miles)

0
3
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5

Fog (%)

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

Precipitation Probability (%)

21
17
5
3
1
0
0
0
0
0
0
0
0
0
0
2
5
7
28
34
36

Precipitation Amount (mm)

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)

12
10
8
7
6
6
5
5
5
5
5
6
6
7
8
10
10
9
9
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
92
91
91
91
89
87
87
86
87
87
89
87
86
86
87
89
91
91
92

Pressure (mb)

1016
1016
1017
1018
1019
1019
1020
1020
1021
1021
1021
1021
1022
1021
1021
1021
1021
1022
1022
1022
1023

Ozone (du)

376
378
379
381
383
385
387
385
384
382
378
374
371
369
367
364
365
366
367
369
370

Forecast for Darley Abbey, Derby, United Kingdom (52.94,-1.48)

Generated: 30/12/25 15:13:57. Forecast: 30/12/25 to 05/01/26. Timezone: UTC+0.00