Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 6%

06:54

14:34

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

Sun - Rise: 07:48, Set: 16:41, Transit: 12:14. Moon - Rise: 06:54, Set: 14:34. Civil Dark: 17:14 - 07:15. Nautical Dark: 17:50 - 06:38. Astro Dark: 18:25 - 06:03

Total Clouds (% Sky Obscured)

99
100
93
91
76
54
56
47
50
32
49
34
13
42
39
36
68
72
100
97
85
100
100
100

Low Clouds (% Sky Obscured)

91
86
80
91
76
54
56
47
50
32
49
34
12
41
34
36
4
45
47
55
56
46
29
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
1
1
0
0
0
0
0
0
3
9
41
93
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
0
4
7
6
4
60
53
99
93
71
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
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
12
2
1
1
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
11
13
14
13
11
8
6
3
4
3
4
5
6
9
10
11
11
11
12
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-3
-4
-4
-5
-4
-4
-5
-6
-7
-8
-8
-8
-9
-9
-9
-8
-7
-6
-7
-7
-7
-6
-6

Dew Point (°C)

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

Relative Humidity (%)

94
98
98
94
86
83
80
83
87
90
90
92
92
94
92
92
94
96
98
96
96
94
92
91

Pressure (mb)

1006
1007
1008
1009
1010
1012
1014
1016
1017
1019
1019
1020
1020
1021
1020
1019
1019
1018
1017
1016
1016
1015
1015
1014

Ozone (du)

304
306
312
319
319
319
318
315
313
313
316
318
320
322
324
322
317
312
311
310
313
311
307
306

Thursday 18

Waning Crescent 2%

07:53

15:12

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

Sun - Rise: 07:49, Set: 16:41, Transit: 12:15. Moon - Rise: 07:53, Set: 15:12. Civil Dark: 17:14 - 07:15. Nautical Dark: 17:51 - 06:39. Astro Dark: 18:26 - 06:04

Total Clouds (% Sky Obscured)

100
100
100
100
97
100
76
80
100
96
95
100
100
100
100
100
100
100
100
100
84
96
86
97

Low Clouds (% Sky Obscured)

0
77
83
38
11
52
42
15
41
70
55
100
91
93
100
100
99
96
78
69
73
94
86
90

Medium Clouds (% Sky Obscured)

0
45
47
39
37
62
20
66
51
93
82
100
98
100
100
99
100
100
98
37
35
2
3
26

High Clouds (% Sky Obscured)

100
100
100
100
76
60
71
70
64
63
86
100
100
91
100
100
100
100
100
100
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
6
3
1
0
0
0
1
9
9
9
9
1
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
None
None
None
None
Snow
None

Precipitation Probability (%)

2
16
14
7
3
3
23
9
21
45
65
63
95
95
95
95
75
90
47
9
3
17
51
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.3
1.1
1.6
2.4
1.5
0.2
0.5
0
0
0
0
0.3
0

Wind Speed/Direction (mph)

13
13
13
13
13
14
14
14
14
15
15
16
15
14
14
14
11
10
10
9
10
10
11
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
98
96
91
96
98
94
93
96
89
89
96
96
96
98
100
96
98
94
89
88
91
93
81

Pressure (mb)

1013
1013
1011
1010
1008
1007
1006
1005
1004
1003
1001
999
998
996
994
993
993
993
993
993
993
994
994
995

Ozone (du)

305
307
306
306
307
308
310
314
315
318
320
319
319
319
320
322
328
335
342
350
358
362
368
371

Friday 19

New Moon 0%

08:44

15:59

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

Sun - Rise: 07:49, Set: 16:41, Transit: 12:15. Moon - Rise: 08:44, Set: 15:59. Civil Dark: 17:15 - 07:16. Nautical Dark: 17:51 - 06:39. Astro Dark: 18:26 - 06:04

Total Clouds (% Sky Obscured)

82
96
96
98
97
98
96
68
58
82
93
96
100
96
91
73
53
52
95
84
93
96
98
100

Low Clouds (% Sky Obscured)

75
88
81
88
87
93
93
65
58
78
91
94
100
95
69
55
53
52
56
20
21
17
23
89

Medium Clouds (% Sky Obscured)

25
24
23
82
94
86
31
5
45
26
0
0
20
21
62
49
26
21
59
24
38
87
93
100

High Clouds (% Sky Obscured)

0
2
83
0
0
0
0
0
0
2
0
0
0
0
4
2
0
0
69
50
60
63
80
100

ISS Passover

Visibility (miles)

9
0
7
9
6
5
9
9
9
6
1
1
0
0
0
0
0
1
6
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
Snow
None
None
None
None
None
None
None
None
None
Snow
Snow
None
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

20
32
11
19
38
19
23
24
19
31
27
30
29
26
28
16
14
2
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
16
16
16
19
20
19
19
19
18
18
16
14
12
11
9
7
4
3
2
4
5
7
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-9
-10
-9
-10
-12
-13
-13
-14
-15
-14
-14
-14
-13
-13
-12
-13
-12
-11
-12
-12
-12
-11

Dew Point (°C)

-5
-4
-6
-6
-6
-7
-8
-9
-10
-10
-10
-10
-9
-9
-9
-9
-9
-10
-11
-11
-11
-11
-10
-10

Relative Humidity (%)

75
86
76
75
78
75
73
73
74
76
79
80
89
87
88
87
87
83
82
83
83
82
82
79

Pressure (mb)

996
997
997
997
997
999
1001
1003
1006
1008
1009
1011
1013
1015
1017
1018
1019
1021
1020
1020
1020
1020
1019
1018

Ozone (du)

367
365
371
383
398
401
409
399
398
403
399
382
373
368
368
368
368
362
355
349
346
339
334
333

Saturday 20

Waxing Crescent 1%

09:27

16:55

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
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 OK
09 OK

Sun - Rise: 07:50, Set: 16:42, Transit: 12:15. Moon - Rise: 09:27, Set: 16:55. Civil Dark: 17:15 - 07:16. Nautical Dark: 17:52 - 06:40. Astro Dark: 18:27 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
96
93
92
88
87
84
88
94
64
52
42
22
25
25
26

Low Clouds (% Sky Obscured)

90
90
92
89
90
88
82
74
70
61
43
38
46
64
79
84
91
64
52
42
22
25
25
26

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
95
90
84
70
51
40
38
45
0
2
3
5
5
3
2

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
68
29
15
20
25
2
27
10
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
4
2
1
0
2
3
1
1
1
9
9
3
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
Snow
Snow
Snow
None
Snow
Snow
None
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
31
48
56
57
24
52
59
36
47
32
13
20
5
5
16
23
26
24
19
8
17
19
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
13
14
16
14
14
13
13
13
12
13
13
14
14
15
17
16
15
14
14
14
14
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-10
-9
-9
-9
-10
-10
-9
-10
-8
-8
-7
-7
-6
-6
-7
-7
-8
-8
-10
-10
-11
-11
-11

Dew Point (°C)

-9
-8
-6
-5
-4
-4
-4
-4
-4
-3
-3
-3
-3
-3
-4
-3
-4
-5
-7
-8
-8
-9
-9
-9

Relative Humidity (%)

76
79
84
90
94
91
91
92
92
92
92
84
84
80
80
84
81
79
76
78
77
76
77
77

Pressure (mb)

1018
1016
1014
1012
1011
1009
1008
1007
1007
1007
1005
1005
1005
1005
1006
1006
1008
1009
1010
1012
1013
1014
1015
1016

Ozone (du)

334
331
330
328
326
326
327
326
329
329
332
335
335
338
346
355
354
357
358
356
360
361
358
355

Sunday 21

Waxing Crescent 3%

10:02

17:58

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

Sun - Rise: 07:50, Set: 16:42, Transit: 12:16. Moon - Rise: 10:02, Set: 17:58. Civil Dark: 17:15 - 07:17. Nautical Dark: 17:52 - 06:40. Astro Dark: 18:27 - 06:05

Total Clouds (% Sky Obscured)

36
48
66
83
88
73
65
59
53
44
12
5
26
51
76
77
72
69
53
36
20
33
46
60

Low Clouds (% Sky Obscured)

36
48
66
83
81
64
62
46
44
38
11
5
23
45
71
77
72
69
53
36
20
33
46
60

Medium Clouds (% Sky Obscured)

2
1
0
7
50
31
2
57
6
2
1
0
1
3
4
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
0
0
0
0
0
8
16
24

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
0
1
9
9
9
1
0
4
3
2
1
4
6
8
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

26
29
24
32
34
34
33
37
36
21
16
11
24
25
16
24
20
17
17
14
9
12
10
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
16
16
17
15
15
15
13
11
10
9
7
7
6
6
7
5
3
3
4
4
5
6
6

Chance of Frost

Temperature (°C)

-5
-4
-4
-4
-4
-5
-5
-5
-6
-7
-8
-8
-8
-8
-8
-8
-9
-10
-11
-11
-11
-12
-11
-10

Feels Like (°C)

-11
-11
-10
-10
-11
-12
-12
-12
-13
-14
-15
-14
-14
-14
-13
-14
-15
-15
-15
-15
-16
-16
-17
-16

Dew Point (°C)

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

Relative Humidity (%)

76
75
76
76
75
75
76
77
92
83
71
75
77
78
83
77
78
81
85
83
81
81
80
80

Pressure (mb)

1016
1017
1017
1018
1019
1020
1021
1022
1023
1025
1025
1026
1027
1028
1028
1029
1031
1032
1033
1034
1035
1035
1036
1036

Ozone (du)

355
355
357
359
363
368
372
370
374
378
377
378
372
372
376
371
368
365
362
361
359
358
357
356

Monday 22

Waxing Crescent 7%

10:02

19:06

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

Sun - Rise: 07:50, Set: 16:43, Transit: 12:16. Moon - Rise: 10:02, Set: 19:06. Civil Dark: 17:16 - 07:17. Nautical Dark: 17:53 - 06:41. Astro Dark: 18:28 - 06:06

Total Clouds (% Sky Obscured)

72
82
92
89
87
86
76
70
65
75
67
63
65
72
79
86
94
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

72
74
76
73
71
69
49
29
14
21
27
30
33
36
43
38
29
21
42
62
85
94
98
100

Medium Clouds (% Sky Obscured)

18
33
45
35
45
45
34
33
32
43
44
26
31
35
40
75
91
99
99
100
100
99
98
97

High Clouds (% Sky Obscured)

50
75
92
89
87
85
57
28
0
12
7
5
11
21
32
55
76
97
95
99
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
8
8
8
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
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

4
4
1
3
2
0
15
17
15
20
20
14
17
17
15
29
36
41
53
65
75
69
63
51

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-15
-16
-15
-13
-13
-13
-12
-12
-11
-12
-11
-11
-10
-10
-10
-11
-12
-11
-12
-12
-12
-10
-10

Dew Point (°C)

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

Relative Humidity (%)

78
78
77
77
78
80
83
83
85
85
85
85
85
85
85
87
87
87
85
85
85
85
87
87

Pressure (mb)

1036
1036
1036
1035
1035
1035
1035
1034
1034
1034
1034
1033
1033
1032
1031
1031
1030
1029
1028
1027
1026
1025
1024
1023

Ozone (du)

355
354
353
352
351
350
349
346
344
342
337
331
326
325
323
322
323
323
323
321
318
316
317
318

Tuesday 23

Waxing Crescent 13%

10:30

20:16

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:51, Set: 16:44, Transit: 12:17. Moon - Rise: 10:30, Set: 20:16. Civil Dark: 17:17 - 07:18. Nautical Dark: 17:53 - 06:41. Astro Dark: 18:28 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
98
96
94
96
98
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
94
88
82
89
94
100
98
96
94
88
82
76
83
89
95
97
99
100

Medium Clouds (% Sky Obscured)

86
75
62
71
85
100
99
99
98
94
91
88
74
55
33
35
32
32
38
44
47

High Clouds (% Sky Obscured)

100
100
100
100
100
100
72
50
69
97
100
100
92
87
71
79
88
97
99
99
99

ISS Passover

Visibility (miles)

9
7
4
2
1
1
0
1
1
1
4
7
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

Precipitation Type

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

Precipitation Probability (%)

42
35
29
43
52
58
62
64
61
48
35
14
12
9
5
7
7
4
4
3
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
87
85
87
91
94
92
94
92
91
87
87
87
89
89
84
81
77
77
78

Pressure (mb)

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

Ozone (du)

319
318
317
316
315
314
313
315
317
318
320
321
322
322
321
321
319
318
316
315
314

Forecast for Newmarket, Canada (44.06,-79.46)

Generated: 17/12/25 10:24:46. Forecast: 17/12/25 to 23/12/25. Timezone: UTC-5.00