Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waning Crescent 1%

08:35

14:30

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

Sun - Rise: 08:21, Set: 15:46, Transit: 12:03. Moon - Rise: 08:35, Set: 14:30. Civil Dark: 16:29 - 07:38. Nautical Dark: 17:15 - 06:52. Astro Dark: 17:58 - 06:09

Total Clouds (% Sky Obscured)

22
25
26
48
54
47
55
57
46
48
52
59
63
50
52
45
53
56
64
61
60
51
49
39

Low Clouds (% Sky Obscured)

22
25
26
48
52
47
54
52
46
43
50
59
60
50
52
45
53
56
64
61
60
51
49
39

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
1
7
0
0
0
0
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
1
1
1
1
1
1
2
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
3
2
7
8
9
8
26
30
31
8
5
3
2
1
3
1
1
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)

14
15
16
18
18
17
17
17
16
16
15
15
14
13
11
10
9
10
10
9
8
8
7
6

Chance of Frost

Temperature (°C)

5
5
5
6
6
6
6
7
7
7
7
7
7
7
6
6
6
6
6
5
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
76
79
78
76
76
79
76
75
74
75
74
75
78
78
79
80
83
86
86
83
88
86
86

Pressure (mb)

1004
1004
1004
1005
1005
1006
1007
1008
1009
1010
1010
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014
1013
1013
1013

Ozone (du)

345
356
365
362
360
365
363
354
360
341
336
300
291
279
276
276
279
280
281
281
279
277
277
274

Saturday 20

New Moon 0%

09:29

15:25

03 OK
04 OK
05 OK
06 OK
07 OK
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
01 Bad
02 Bad

Sun - Rise: 08:22, Set: 15:46, Transit: 12:04. Moon - Rise: 09:29, Set: 15:25. Civil Dark: 16:30 - 07:38. Nautical Dark: 17:16 - 06:52. Astro Dark: 17:59 - 06:09

Total Clouds (% Sky Obscured)

36
24
22
26
43
53
72
73
58
55
51
70
82
83
83
77
95
100
88
89
94
100
100
100

Low Clouds (% Sky Obscured)

36
24
22
26
43
52
63
72
58
55
51
70
82
83
83
76
95
100
88
89
94
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
7
40
30
1
0
0
0
0
0
0
10
30
30
25
35
40
42
47
42

High Clouds (% Sky Obscured)

2
0
0
0
0
21
55
4
0
0
0
1
1
24
40
40
36
40
40
35
15
34
61
52

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
65
100

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
1
1
0
0
0
2
9
14
24
14
29

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)

5
4
3
3
3
3
4
4
5
6
7
9
9
9
10
10
9
9
9
9
8
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
2
1
1
2
2
2
3
3
3
3
3
2
2
1
2
3
3
3
3
3
3
3

Relative Humidity (%)

86
88
88
86
86
91
91
89
86
80
79
79
79
76
75
74
79
83
88
88
86
89
91
91

Pressure (mb)

1012
1012
1011
1011
1011
1011
1011
1010
1010
1009
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1007

Ozone (du)

273
274
274
277
288
296
295
299
302
304
305
302
290
286
285
285
285
289
295
297
297
302
311
318

Sunday 21

Waxing Crescent 2%

10:07

16:34

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
01 Bad
02 Bad

Sun - Rise: 08:22, Set: 15:47, Transit: 12:04. Moon - Rise: 10:07, Set: 16:34. Civil Dark: 16:30 - 07:39. Nautical Dark: 17:16 - 06:53. Astro Dark: 17:59 - 06:10

Total Clouds (% Sky Obscured)

100
100
99
95
95
88
96
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
97
97
86
89
79
86
88
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

45
64
48
55
16
17
77
22
24
40
75
80
83
85
78
73
100
100
94
100
100
98
100
99

High Clouds (% Sky Obscured)

83
87
56
55
60
49
54
71
70
74
70
100
99
86
73
100
100
100
61
100
43
50
58
70

ISS Passover

Visibility (miles)

1
1
1
0
1
1
1
9
9
9
9
4
1
1
1
1
1
0
0
0
0
1
1
1

Fog (%)

99
100
72
57
43
97
100
100
100
100
75
12
71
98
42
76
76
76
76
76
76
76
76
76

Precipitation Type

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

Precipitation Probability (%)

37
54
55
38
41
22
8
6
7
4
17
13
51
77
75
69
57
60
59
45
53
44
52
67

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
94
94
94
93
91
90
90
91
93
96
96
94
94
98
98
98
100
98
98
98
98

Pressure (mb)

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

Ozone (du)

322
322
323
327
334
339
345
352
357
361
367
373
375
374
374
374
375
375
374
371
370
369
369
369

Monday 22

Waxing Crescent 6%

10:34

17:52

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
01 Bad
02 Bad

Sun - Rise: 08:23, Set: 15:47, Transit: 12:05. Moon - Rise: 10:34, Set: 17:52. Civil Dark: 16:31 - 07:39. Nautical Dark: 17:17 - 06:53. Astro Dark: 18:00 - 06:10

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
100

Low Clouds (% Sky Obscured)

99
98
98
98
99
100
99
98
97
97
99
98
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
96
95
89
83
77
71
57
91
67
66
25
48
48
80

High Clouds (% Sky Obscured)

72
76
81
87
93
100
99
98
97
85
72
59
46
30
15
20
24
24
23
23
32
29
33
29

ISS Passover

Visibility (miles)

1
1
0
0
0
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
1
0
0

Fog (%)

76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76

Precipitation Type

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

Precipitation Probability (%)

67
73
81
77
56
52
33
18
16
16
18
17
18
19
6
7
15
17
22
24
12
6
6
12

Precipitation Amount (mm)

0.3
0.4
0.6
0.6
0.2
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
6
6
6
6
6
6
6
6
6
6
6
7
8
8
8
9
8
8
8
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
5
6
5
6
6
6
6
6
5
5
5
5
5
4
4
5
4
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
96
94
94
94
91
91
90
91
91
90
90
90
91
94
96
98
98
98
96

Pressure (mb)

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

Ozone (du)

372
374
376
380
382
380
380
379
380
380
381
383
384
384
384
386
387
387
386
387
388
387
387
385

Tuesday 23

Waxing Crescent 12%

10:52

19:13

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
01 Bad
02 Bad

Sun - Rise: 08:23, Set: 15:48, Transit: 12:05. Moon - Rise: 10:52, Set: 19:13. Civil Dark: 16:31 - 07:40. Nautical Dark: 17:17 - 06:54. Astro Dark: 18:00 - 06:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
95
93
90
87
82
81
81
79
98
99
98
96
94
92
92
91
91

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
96
92
88
81
74
68
69
67
67
95
96
97
94
90
87
87
87
87

Medium Clouds (% Sky Obscured)

95
94
91
99
99
99
80
31
26
48
22
2
3
2
7
15
29
39
50
63
70
44
20
1

High Clouds (% Sky Obscured)

52
71
100
83
67
46
49
34
28
13
10
5
5
5
5
20
35
40
34
28
22
16
13
10

ISS Passover

Visibility (miles)

0
1
4
9
5
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76

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 (%)

16
22
25
37
44
38
29
23
21
19
18
17
20
19
22
21
23
24
20
21
20
15
11
8

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
10
10
10
11
11
11
11
12
12
12
12
12
12
13
13
10
11
11
12
12
12
12
13

Chance of Frost

Temperature (°C)

6
6
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
93
93
93
93
91
91
91
88
88
90
88
88
89
90
90
90
91
91
91
91
90

Pressure (mb)

1011
1011
1011
1011
1012
1012
1013
1013
1014
1014
1014
1015
1015
1016
1017
1017
1020
1021
1022
1022
1023
1023
1024
1024

Ozone (du)

380
378
376
376
375
374
375
374
374
376
373
373
374
374
376
377
379
382
385
385
385
386
382
379

Wednesday 24

Waxing Crescent 19%

11:05

20:35

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
01 Bad
02 Bad

Sun - Rise: 08:23, Set: 15:48, Transit: 12:06. Moon - Rise: 11:05, Set: 20:35. Civil Dark: 16:32 - 07:40. Nautical Dark: 17:18 - 06:54. Astro Dark: 18:01 - 06:11

Total Clouds (% Sky Obscured)

93
94
96
95
93
91
90
90
89
88
89
91
92
94
95
96
96
95
93
92
90
88
87
87

Low Clouds (% Sky Obscured)

89
92
94
92
89
86
85
84
82
80
79
79
79
81
82
84
86
88
88
89
89
88
87
87

Medium Clouds (% Sky Obscured)

15
34
51
34
17
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

19
32
46
34
20
3
2
1
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 (%)

76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76

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 (%)

11
13
14
14
15
16
15
14
11
10
9
7
8
7
3
3
3
1
1
1
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)

13
13
13
13
12
12
12
12
13
13
13
13
13
13
13
12
12
12
12
12
12
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
1
-0
-1
-1
-1
-0
-0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

88
86
83
80
79
77
75
75
75
75
73
72
72
71
69
67
69
71
73
73
72
72
68
67

Pressure (mb)

1025
1025
1026
1026
1027
1028
1029
1029
1030
1030
1030
1030
1031
1031
1031
1032
1032
1032
1033
1033
1033
1033
1033
1033

Ozone (du)

375
373
372
370
370
369
369
368
367
366
363
359
356
354
351
349
349
348
348
347
345
343
342
341

Thursday 25

Waxing Crescent 28%

11:16

21:56

Sun - Rise: 08:24, Set: 15:49, Transit: 12:06. Moon - Rise: 11:16, Set: 21:56. Civil Dark: 16:33 - 07:40. Nautical Dark: 17:19 - 06:54. Astro Dark: 18:02 - 06:11

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 Cookridge, Leeds, United Kingdom (53.85,-1.63)

Generated: 19/12/25 03:10:44. Forecast: 19/12/25 to 25/12/25. Timezone: UTC+0.00