Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 1%

08:33

13:43

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
03 OK
04 OK
05 OK
06 Good
07 OK
08 OK
09 OK
10 OK
11 OK

Sun - Rise: 08:18, Set: 15:38, Transit: 11:58. Moon - Rise: 08:33, Set: 13:43. Civil Dark: 16:22 - 07:34. Nautical Dark: 17:09 - 06:48. Astro Dark: 17:52 - 06:04

Total Clouds (% Sky Obscured)

79
84
87
100
100
100
100
100
91
88
100
100
74
47
48
40
40
43
8
15
18
20
23
27

Low Clouds (% Sky Obscured)

55
71
87
83
87
87
80
67
68
53
62
66
50
11
6
0
0
2
8
15
18
20
23
27

Medium Clouds (% Sky Obscured)

79
84
87
98
97
100
30
25
28
28
55
77
0
2
4
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

79
84
87
100
100
100
100
100
83
87
9
90
48
40
45
40
40
43
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
8
7
0
3
3
9
9
9
9
9
6
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

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

Precipitation Probability (%)

49
81
89
95
95
93
25
16
0
5
42
50
6
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.6
0.3
1.3
1.1
0.8
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
9
8
13
18
14
20
19
21
20
22
22
16
15
15
17
18
19
20
21
23
22
22
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
98
98
96
96
93
93
88
85
85
88
82
85
79
83
82
80
80
82
82
83
82
79

Pressure (mb)

1004
1002
1001
999
997
995
994
995
996
996
997
997
999
1000
1002
1003
1003
1003
1004
1004
1005
1006
1007
1007

Ozone (du)

300
299
297
293
299
315
341
343
348
345
340
337
334
334
339
346
343
345
351
359
356
368
370
357

Friday 19

Waning Crescent 0%

09:26

14:22

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

Sun - Rise: 08:19, Set: 15:38, Transit: 11:59. Moon - Rise: 09:26, Set: 14:22. Civil Dark: 16:22 - 07:35. Nautical Dark: 17:09 - 06:48. Astro Dark: 17:52 - 06:05

Total Clouds (% Sky Obscured)

31
26
23
14
4
0
0
0
3
7
12
31
40
37
25
44
57
70
75
64
75
65
48
74

Low Clouds (% Sky Obscured)

31
26
23
14
4
0
0
0
0
7
12
21
32
31
25
44
57
70
75
64
75
65
48
74

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)

0
0
0
0
0
0
0
0
1
1
2
11
13
15
2
2
1
1
2
1
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
1
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)

22
24
22
20
18
16
15
13
11
12
13
12
12
12
12
11
10
12
12
11
10
11
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
75
78
79
82
82
85
86
90
89
91
93
93
94
94
94
94
94
93
93
94
94
93
91

Pressure (mb)

1008
1008
1009
1010
1011
1011
1012
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1011

Ozone (du)

358
359
348
300
302
290
287
284
280
281
280
280
280
280
280
277
280
279
281
283
290
295
297
294

Saturday 20

New Moon 0%

10:05

15:16

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

Sun - Rise: 08:19, Set: 15:39, Transit: 11:59. Moon - Rise: 10:05, Set: 15:16. Civil Dark: 16:23 - 07:35. Nautical Dark: 17:09 - 06:49. Astro Dark: 17:53 - 06:05

Total Clouds (% Sky Obscured)

67
58
60
66
56
74
71
48
52
48
36
26
77
92
96
96
98
100
96
92
87
91
95
99

Low Clouds (% Sky Obscured)

67
58
60
66
55
74
71
48
49
43
28
6
49
56
60
50
57
34
38
45
49
66
82
99

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
18
14
9
67
32
10
48
33
44
72
77
67

High Clouds (% Sky Obscured)

1
8
1
38
43
23
8
34
45
48
36
26
61
73
65
53
66
82
73
47
25
30
30
22

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
8
8
7

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
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
1
2
1
3
10
16
25
21
27
23
26
22
23
27
29
37
58

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
0.4

Wind Speed/Direction (mph)

12
12
12
11
9
10
10
10
9
8
7
7
6
5
5
6
7
7
8
8
9
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
90
90
93
96
96
98
96
96
96
96
94
96
98
96
96
98
96
98
98
96
98
98

Pressure (mb)

1011
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1009

Ozone (du)

295
299
298
291
290
291
294
301
306
307
314
326
341
348
349
347
335
325
324
327
328
332
337
339

Sunday 21

Waxing Crescent 2%

10:31

16:26

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:20, Set: 15:39, Transit: N/A. Moon - Rise: 10:31, Set: 16:26. Civil Dark: 16:23 - 07:36. Nautical Dark: 17:10 - 06:49. Astro Dark: 17:53 - 06:05

Total Clouds (% Sky Obscured)

98
98
97
97
97
97
96
96
95
95
97
98
96
95
93
96
98
100
99
99
98
99
99
100

Low Clouds (% Sky Obscured)

92
85
79
84
89
94
92
91
89
84
79
75
78
83
86
83
82
76
85
84
83
88
92
96

Medium Clouds (% Sky Obscured)

84
55
75
82
79
75
69
60
54
49
48
44
62
65
72
78
70
91
88
86
84
80
88
93

High Clouds (% Sky Obscured)

44
45
47
32
21
5
17
29
41
55
69
85
72
62
50
64
81
95
71
86
83
88
94
100

ISS Passover

Visibility (miles)

6
4
3
2
5
2
1
2
4
2
8
9
9
9
9
9
9
9
9
8
8
9
6
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

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

Precipitation Probability (%)

51
65
75
72
62
83
76
64
85
45
15
7
12
12
1
3
3
4
23
28
29
36
35
36

Precipitation Amount (mm)

0.3
0.5
0.7
0.7
0.3
0.6
0.5
0.4
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
9
9
9
9
8
8
8
8
8
8
8
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
8
8
8
8
8
7
7
7
8
8
8
7
7
7
7
6
6
6

Relative Humidity (%)

98
98
100
98
98
98
98
98
98
98
96
90
91
93
95
98
98
96
96
96
93
91
88
87

Pressure (mb)

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

Ozone (du)

341
342
345
346
349
352
356
361
363
363
362
363
363
362
363
364
364
365
367
369
370
373
375
377

Monday 22

Waxing Crescent 6%

10:48

17:44

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:20, Set: 15:40, Transit: 12:00. Moon - Rise: 10:48, Set: 17:44. Civil Dark: 16:24 - 07:36. Nautical Dark: 17:10 - 06:49. Astro Dark: 17:54 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
95
92
89
94
99
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

97
97
98
97
95
94
95
95
96
97
99
100
95
89
84
82
91
90
95
95
95
90
95
95

Medium Clouds (% Sky Obscured)

94
96
97
98
98
99
97
95
94
89
84
51
45
41
40
20
20
26
45
53
50
45
45
35

High Clouds (% Sky Obscured)

100
100
100
98
95
92
94
97
100
99
95
82
89
91
89
94
99
99
90
81
73
82
91
100

ISS Passover

Visibility (miles)

6
9
9
7
3
3
3
3
4
3
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
24
28
57
68
72
72
65
62
48
26
5
10
8
2
6
6
6
13
18
22
20
17
13

Precipitation Amount (mm)

0
0
0
0.3
0.4
0.4
0.4
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
88
91
94
93
93
93
93
93
94
93
91
93
93
94
91
90
88
86
85
82
82
82

Pressure (mb)

1011
1011
1011
1011
1012
1012
1013
1013
1014
1015
1015
1015
1016
1016
1017
1017
1018
1018
1019
1019
1020
1021
1021
1021

Ozone (du)

377
379
379
379
381
383
386
388
391
396
402
408
408
403
399
394
391
389
387
388
390
391
392
394

Tuesday 23

Waxing Crescent 12%

11:01

19:06

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:20, Set: 15:40, Transit: 12:00. Moon - Rise: 11:01, Set: 19:06. Civil Dark: 16:24 - 07:36. Nautical Dark: 17:11 - 06:50. Astro Dark: 17:55 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
99
98
98
98
97
98
98
99
98
97
96
95
96
98

Low Clouds (% Sky Obscured)

96
93
94
96
98
100
100
100
100
97
94
92
92
91
91
92
92
93
93
93
94
95
96
98

Medium Clouds (% Sky Obscured)

35
30
25
20
25
30
65
80
75
74
78
72
72
72
73
68
54
42
24
9
0
0
0
0

High Clouds (% Sky Obscured)

72
40
10
10
15
20
20
20
20
22
25
27
29
31
33
40
46
53
35
18
0
0
0
0

ISS Passover

Visibility (miles)

9
8
7
6
6
7
7
6
6
6
7
8
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
23
24
29
35
42
41
41
44
42
41
41
38
35
33
29
26
21
21
21
21
22
24
25

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)

10
11
12
12
12
13
14
14
15
15
16
16
17
17
16
16
17
18
19
19
20
20
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
88
90
91
90
90
90
91
93
93
91
91
90
88
88
86
83
82
82
80
79
78
79

Pressure (mb)

1022
1022
1022
1022
1023
1023
1024
1024
1025
1025
1026
1026
1026
1027
1027
1028
1028
1028
1028
1029
1030
1030
1030
1030

Ozone (du)

395
394
394
393
391
388
385
385
385
385
384
383
382
383
384
385
388
390
393
391
389
387
386
386

Wednesday 24

Waxing Crescent 19%

11:11

20:28

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
03 Bad
04 Bad
05 Bad

Sun - Rise: 08:21, Set: 15:41, Transit: 12:01. Moon - Rise: 11:11, Set: 20:28. Civil Dark: 16:25 - 07:37. Nautical Dark: 17:12 - 06:50. Astro Dark: 17:55 - 06:07

Total Clouds (% Sky Obscured)

99
99
100
92
82
75
74
75
76
84
91
98
98
99
100
98
98
97

Low Clouds (% Sky Obscured)

98
99
100
88
75
62
65
65
70
80
90
98
98
99
100
97
94
92

Medium Clouds (% Sky Obscured)

1
1
2
1
0
0
0
0
0
7
15
22
25
27
30
30
40
40

High Clouds (% Sky Obscured)

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
8
7
8
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

25
26
29
29
29
28
29
28
24
28
32
35
33
34
36
40
43
46

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

20
20
20
20
21
22
22
23
23
23
23
23
23
24
25
25
25
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
76
75
71
67
63
65
65
66
66
64
64
63
62
61
62
62

Pressure (mb)

1030
1030
1030
1030
1030
1031
1031
1031
1031
1031
1031
1030
1030
1030
1029
1029
1029
1029

Ozone (du)

385
383
381
379
376
374
371
365
359
354
349
345
341
340
338
337
337
337

Forecast for Muston, North Yorkshire, United Kingdom (54.20,-0.32)

Generated: 18/12/25 12:13:53. Forecast: 18/12/25 to 24/12/25. Timezone: UTC+0.00