Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 14

Waning Crescent 17%

03:20

13:15

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

Sun - Rise: 07:22, Set: 16:42, Transit: 12:02. Moon - Rise: 03:20, Set: 13:15. Civil Dark: 17:12 - 06:51. Nautical Dark: 17:46 - 06:17. Astro Dark: 18:19 - 05:44

Total Clouds (% Sky Obscured)

29
26
32
32
95
82
93
80
21
15
16
77
76
13
6
8
58
73
11
55
50
68
100
100

Low Clouds (% Sky Obscured)

49
34
47
36
93
77
90
50
21
15
16
77
76
9
5
4
4
4
4
7
7
6
13
73

Medium Clouds (% Sky Obscured)

0
0
0
0
17
32
32
35
0
0
0
0
0
0
0
0
0
53
2
2
2
21
72
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
56
56
4
45
35
62
100
100

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
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

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)

16
16
17
17
16
15
15
16
11
9
10
11
11
11
11
12
11
10
8
7
7
8
10
11

Chance of Frost

Temperature (°C)

-3
-4
-5
-6
-6
-7
-7
-7
-9
-9
-9
-9
-9
-9
-9
-10
-10
-10
-10
-10
-10
-9
-7
-6

Feels Like (°C)

-9
-10
-11
-12
-13
-14
-14
-14
-16
-16
-16
-15
-16
-16
-15
-15
-15
-16
-15
-14
-15
-14
-13
-12

Dew Point (°C)

-11
-13
-14
-15
-15
-15
-15
-14
-14
-13
-13
-12
-13
-14
-14
-14
-14
-14
-14
-13
-13
-12
-11
-11

Relative Humidity (%)

56
49
50
49
49
54
54
56
69
72
75
80
75
71
71
72
74
75
75
78
78
75
70
65

Pressure (mb)

1019
1019
1019
1020
1021
1021
1022
1024
1025
1025
1026
1026
1026
1027
1027
1028
1028
1028
1029
1029
1030
1030
1030
1029

Ozone (du)

360
364
362
357
357
359
357
359
344
339
343
347
341
337
333
334
331
320
312
300
292
289
285
284

Monday 15

Waning Crescent 11%

04:22

13:39

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

Sun - Rise: 07:22, Set: 16:42, Transit: 12:02. Moon - Rise: 04:22, Set: 13:39. Civil Dark: 17:13 - 06:52. Nautical Dark: 17:47 - 06:18. Astro Dark: 18:20 - 05:45

Total Clouds (% Sky Obscured)

100
94
90
90
100
99
100
96
91
24
34
36
36
34
14
6
8
2
6
3
2
0
2
40

Low Clouds (% Sky Obscured)

60
60
60
60
75
86
85
85
12
8
4
4
4
4
3
3
3
2
3
3
2
0
0
0

Medium Clouds (% Sky Obscured)

100
94
90
90
100
98
100
96
91
18
31
36
36
34
14
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

48
47
28
3
0
0
0
0
0
0
0
0
1
0
0
3
3
0
1
0
0
0
1
20

ISS Passover

Visibility (miles)

9
9
2
2
9
6
8
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 (%)

1
19
28
30
16
8
8
3
1
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)

11
11
9
9
7
6
6
5
4
3
3
2
3
2
2
3
2
2
3
2
3
3
3
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-11
-10
-9
-9
-9
-10
-10
-10
-10
-8
-8
-8
-8
-8
-9
-9
-10
-10
-11
-11
-9
-6
-4

Dew Point (°C)

-11
-11
-9
-8
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-8
-9
-9
-10
-10
-10
-12
-11
-10
-9

Relative Humidity (%)

63
62
72
78
82
84
89
89
82
87
89
89
89
89
90
87
87
88
88
87
82
71
63
58

Pressure (mb)

1028
1027
1027
1027
1026
1026
1025
1025
1025
1024
1024
1023
1023
1023
1023
1023
1023
1023
1024
1024
1025
1025
1025
1025

Ozone (du)

282
281
283
281
281
284
285
285
286
287
295
299
299
300
300
300
298
297
296
289
285
281
279
280

Tuesday 16

Waning Crescent 6%

05:24

14:06

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

Sun - Rise: 07:23, Set: 16:42, Transit: 12:02. Moon - Rise: 05:24, Set: 14:06. Civil Dark: 17:13 - 06:53. Nautical Dark: 17:47 - 06:19. Astro Dark: 18:20 - 05:46

Total Clouds (% Sky Obscured)

50
56
53
88
86
100
100
74
20
11
76
47
51
42
55
38
44
46
98
81
77
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
4
4
4
4
4
12
29
24
22
50
38
37
37
26
19
26
20
28
0

Medium Clouds (% Sky Obscured)

0
16
25
19
17
31
0
0
0
0
0
0
0
0
0
0
0
2
98
74
59
98
100
100

High Clouds (% Sky Obscured)

20
31
34
81
71
100
100
67
18
6
40
3
3
0
0
0
0
0
71
81
77
100
100
100

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-3
-4
-4
-5
-6
-6
-6
-5
-5
-7
-6
-4
-4
-4
-4
-4
-4
-6
-4
-1
-1
1

Dew Point (°C)

-9
-9
-7
-5
-3
-3
-4
-4
-5
-5
-5
-5
-5
-4
-4
-4
-3
-4
-4
-4
-4
-3
-1
0

Relative Humidity (%)

54
53
58
67
78
87
89
89
86
87
89
89
91
91
91
91
91
89
89
87
83
74
71
68

Pressure (mb)

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

Ozone (du)

278
277
275
276
273
272
269
267
268
269
270
269
267
267
267
267
266
267
268
269
271
272
276
278

Wednesday 17

Waning Crescent 2%

06:25

14:39

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

Sun - Rise: 07:24, Set: 16:43, Transit: 12:03. Moon - Rise: 06:25, Set: 14:39. Civil Dark: 17:13 - 06:53. Nautical Dark: 17:47 - 06:19. Astro Dark: 18:20 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
75
50
2
4
15
19
4
4
10
6
40
35
50
64
77
81
82
84
80
75

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
3
0
0
0
1
1
0
0
0
0
0
0
1
1
15
15

Medium Clouds (% Sky Obscured)

100
100
100
100
75
18
0
0
0
0
0
0
0
0
3
35
10
22
40
39
46
45
40
37

High Clouds (% Sky Obscured)

100
100
100
100
68
37
1
0
1
10
3
1
5
3
35
30
28
27
30
32
34
40
30
29

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)

8
8
6
6
6
5
5
4
3
3
3
3
2
2
2
3
3
2
3
2
2
2
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
70
74
78
79
83
88
89
89
89
91
89
89
89
89
89
91
91
89
89
91
86
80
86

Pressure (mb)

1015
1015
1015
1016
1017
1018
1019
1020
1021
1022
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023

Ozone (du)

281
286
287
287
290
295
298
301
302
301
304
304
307
309
309
304
303
302
303
300
297
296
297
299

Thursday 18

Waning Crescent 0%

07:23

15:18

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: 07:24, Set: 16:43, Transit: 12:03. Moon - Rise: 07:23, Set: 15:18. Civil Dark: 17:14 - 06:54. Nautical Dark: 17:48 - 06:20. Astro Dark: 18:21 - 05:47

Total Clouds (% Sky Obscured)

68
72
84
99
96
94
92
95
97
99
99
100
100
100
100
100
100
100
100
88
76
62
63
69

Low Clouds (% Sky Obscured)

5
33
65
98
85
71
58
67
75
84
77
70
61
68
73
78
77
76
75
53
29
7
31
54

Medium Clouds (% Sky Obscured)

52
42
54
74
56
81
82
87
91
95
96
98
100
55
100
100
100
100
100
83
65
50
33
17

High Clouds (% Sky Obscured)

9
12
3
40
41
56
71
78
80
89
88
94
100
100
100
100
100
100
98
65
33
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
2
7
5
9
9
5
1
3
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
2
4
4
11
17
22
30
37
91
76
95
95
95
95
95
95
95
95
95
95
87
71
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.9
0.4
1.4
1.1
1.1
1.1
2.1
2.9
0.9
0.6
1.4
1.1
0.6
0.3
0

Wind Speed/Direction (mph)

7
8
8
8
8
8
10
10
11
12
14
15
17
17
17
18
20
16
16
16
13
12
14
15

Chance of Frost

Temperature (°C)

5
6
7
7
7
7
7
7
8
9
10
11
11
12
12
13
13
11
11
10
9
8
7
6

Feels Like (°C)

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

Dew Point (°C)

3
4
4
5
6
5
5
6
7
8
9
10
10
10
11
12
12
9
8
8
6
4
3
2

Relative Humidity (%)

85
86
84
88
91
90
90
90
91
91
95
91
92
90
92
92
93
90
80
83
80
78
76
71

Pressure (mb)

1021
1020
1019
1018
1017
1016
1015
1014
1012
1011
1009
1007
1005
1004
1002
1000
1000
999
999
999
1001
1002
1004
1004

Ozone (du)

299
300
301
299
299
299
298
299
301
302
304
305
304
305
307
308
313
317
321
329
334
338
342
340

Friday 19

New Moon 0%

08:15

16:06

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

Sun - Rise: 07:25, Set: 16:44, Transit: 12:04. Moon - Rise: 08:15, Set: 16:06. Civil Dark: 17:14 - 06:54. Nautical Dark: 17:48 - 06:20. Astro Dark: 18:21 - 05:47

Total Clouds (% Sky Obscured)

75
73
70
65
67
59
36
20
14
8
11
14
18
35
51
64
62
57
58
55
51
45
42
48

Low Clouds (% Sky Obscured)

75
72
69
64
65
59
36
20
14
8
11
10
10
16
44
57
53
46
39
35
30
26
24
23

Medium Clouds (% Sky Obscured)

0
1
2
3
3
2
2
1
0
0
0
1
1
0
0
0
0
0
0
0
18
39
42
48

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
0
1
1
12
24
35
40
58
55
51
21
15
4

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 (%)

6
8
7
1
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)

17
18
18
17
17
16
15
15
14
13
13
12
11
10
9
9
9
7
6
5
6
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
-1
-2
-3
-4
-5
-6
-7
-7
-7
-8
-8
-8
-9
-8
-8
-8
-8
-8
-8
-9
-9
-9
-9

Relative Humidity (%)

67
62
63
63
63
64
63
63
64
67
68
68
67
66
69
70
72
72
72
72
64
57
52
49

Pressure (mb)

1005
1006
1007
1009
1010
1012
1013
1015
1016
1017
1018
1019
1020
1021
1021
1022
1022
1023
1024
1024
1025
1026
1026
1025

Ozone (du)

339
337
335
333
331
330
329
328
327
326
325
321
317
312
310
308
306
306
306
306
306
305
305
302

Saturday 20

Waxing Crescent 1%

08:59

17:01

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: 07:25, Set: 16:44, Transit: 12:04. Moon - Rise: 08:59, Set: 17:01. Civil Dark: 17:15 - 06:55. Nautical Dark: 17:49 - 06:21. Astro Dark: 18:22 - 05:48

Total Clouds (% Sky Obscured)

54
64
74
83
76
66
51
64
79
92
94
97
99
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
15
7
0
1
1
0
0
0
0
3
5
6
3
2
0
0
0
0
7
17
24
48
73

Medium Clouds (% Sky Obscured)

44
48
50
53
38
23
13
13
13
18
37
50
64
73
81
90
85
85
83
93
95
94
95
97

High Clouds (% Sky Obscured)

1
0
0
0
33
66
51
64
79
92
94
97
99
99
100
100
100
100
100
100
100
100
100
100

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
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
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
0
6
14

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

Chance of Frost

Temperature (°C)

2
4
3
3
3
2
2
1
1
2
2
3
3
4
4
4
4
4
4
4
4
5
5
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
46
50
54
58
64
70
77
77
77
77
72
67
63
61
59
57
59
62
66
67
67
70
70

Pressure (mb)

1025
1024
1023
1023
1022
1022
1022
1021
1021
1020
1020
1019
1018
1017
1016
1016
1015
1015
1014
1014
1014
1013
1013
1012

Ozone (du)

299
297
296
295
294
293
292
291
291
292
292
291
290
289
286
284
282
280
278
276
276
276
275
274

Forecast for Mount Wolf, York, United States of America (40.06,-76.70)

Generated: 14/12/25 20:02:46. Forecast: 14/12/25 to 20/12/25. Timezone: UTC-5.00