Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 11%

04:47

14:04

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
03 Bad

Sun - Rise: 07:49, Set: 16:40, Transit: 12:14. Moon - Rise: 04:47, Set: 14:04. Civil Dark: 17:13 - 07:16. Nautical Dark: 17:50 - 06:39. Astro Dark: 18:25 - 06:03

Total Clouds (% Sky Obscured)

89
84
99
100
100
98
100
100
100
100
100
100
100
100
98
100
77
90
95
100
100
100
100
100

Low Clouds (% Sky Obscured)

45
40
36
40
47
43
38
36
43
53
53
66
71
42
36
36
34
35
36
44
44
41
42
47

Medium Clouds (% Sky Obscured)

2
1
0
34
66
59
85
100
100
98
96
99
95
92
96
92
64
69
70
100
100
100
95
95

High Clouds (% Sky Obscured)

8
55
77
63
100
95
97
97
100
100
100
100
100
100
80
100
64
55
77
100
75
96
92
88

ISS Passover

Visibility (miles)

7
6
5
5
5
9
9
9
9
9
9
9
3
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
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
2
1
0
0
0
0
0
0
4
16
0
0
0
0
3
8
27
7
13
10
2

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
8
7
4
5
6
8
9
10
10
11
12
13
14
12
13
13
13
13
11
11
12
12

Chance of Frost

Temperature (°C)

-7
-7
-7
-7
-14
-10
-8
-7
-6
-5
-5
-4
-4
-3
-3
-3
-3
-2
-1
-0
1
1
1
1

Feels Like (°C)

-11
-10
-10
-11
-17
-15
-12
-12
-11
-10
-10
-10
-9
-10
-10
-8
-9
-8
-6
-6
-5
-4
-5
-4

Dew Point (°C)

-8
-9
-8
-9
-15
-12
-10
-9
-8
-8
-7
-6
-5
-5
-5
-6
-5
-5
-4
-3
-2
-1
-1
-1

Relative Humidity (%)

89
87
89
88
88
88
87
87
85
84
85
89
91
89
84
81
81
79
80
80
83
84
84
86

Pressure (mb)

1018
1018
1019
1019
1020
1020
1019
1019
1017
1016
1015
1014
1013
1012
1011
1011
1009
1008
1007
1006
1005
1005
1004
1004

Ozone (du)

283
284
283
276
272
271
266
266
270
271
269
266
267
266
265
263
261
262
262
265
267
269
273
278

Wednesday 17

Waning Crescent 6%

05:53

14:34

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 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:49, Set: 16:40, Transit: 12:15. Moon - Rise: 05:53, Set: 14:34. Civil Dark: 17:14 - 07:16. Nautical Dark: 17:50 - 06:39. Astro Dark: 18:26 - 06:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
100
91
94
87
86
69
53
69
25
46
100
99
100
94
100
100

Low Clouds (% Sky Obscured)

54
74
100
100
100
100
100
87
100
74
78
64
66
69
53
53
25
46
54
61
66
76
82
78

Medium Clouds (% Sky Obscured)

100
100
100
97
100
100
0
0
0
10
5
0
0
0
17
13
0
0
4
45
92
65
54
81

High Clouds (% Sky Obscured)

100
100
32
100
100
100
85
0
0
0
0
0
0
3
8
0
1
3
100
83
100
67
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
4
0
0
0
7
8
9
9
9
9
9
9
9
7
8
8
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
Very Light Rain
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
5
7
18
37
55
43
18
7
15
3
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
86
91
93
98
98
100
100
98
86
83
80
78
78
79
81
87
90
90
92
90
90
87
89

Pressure (mb)

1003
1003
1003
1004
1004
1005
1006
1007
1007
1008
1010
1012
1013
1014
1016
1017
1018
1018
1018
1018
1017
1016
1017
1016

Ozone (du)

284
287
290
294
297
298
303
309
317
324
333
335
329
323
323
322
319
319
321
322
323
323
323
324

Thursday 18

Waning Crescent 2%

06:56

15:11

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
03 Bad

Sun - Rise: 07:50, Set: 16:41, Transit: 12:15. Moon - Rise: 06:56, Set: 15:11. Civil Dark: 17:14 - 07:17. Nautical Dark: 17:51 - 06:40. Astro Dark: 18:26 - 06:05

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)

72
74
69
65
65
74
82
96
60
59
75
92
96
89
72
86
91
93
96
100
99
99
100
100

Medium Clouds (% Sky Obscured)

27
42
50
50
60
91
35
29
8
36
30
29
45
57
100
98
100
100
95
100
100
98
96
90

High Clouds (% Sky Obscured)

100
100
93
100
100
100
100
100
100
100
100
100
100
100
100
98
9
100
100
100
100
76
53
29

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
1
0
0
0
0
0
9
9
0
3
0
0
0
0
0
0

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

Precipitation Probability (%)

0
0
0
0
0
1
10
14
13
15
14
13
17
16
48
95
88
92
92
95
95
80
58
52

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.3
0.5
0.5
0.9
0.7
0.3
0
0

Wind Speed/Direction (mph)

11
10
11
11
13
14
14
15
16
17
17
16
15
15
16
15
15
15
14
13
14
14
12
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
92
91
91
92
92
94
100
100
100
100
100
98
100
100
98
100
100
100
100
100
100
100
98

Pressure (mb)

1015
1014
1013
1012
1012
1011
1010
1009
1008
1006
1005
1005
1004
1003
1002
1001
1000
998
997
995
994
992
992
991

Ozone (du)

322
321
319
318
314
313
311
311
309
310
311
312
313
314
317
318
321
321
321
322
325
327
335
342

Friday 19

New Moon 0%

07:55

15:58

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
03 Bad

Sun - Rise: 07:51, Set: 16:41, Transit: 12:16. Moon - Rise: 07:55, Set: 15:58. Civil Dark: 17:14 - 07:17. Nautical Dark: 17:51 - 06:41. Astro Dark: 18:27 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
99
100
100
100
100
100
99
97
95
93
90
87
90
85
91

Low Clouds (% Sky Obscured)

98
96
93
95
98
100
99
98
97
98
99
100
100
100
100
98
96
94
90
85
81
85
85
91

Medium Clouds (% Sky Obscured)

96
98
100
44
38
43
34
21
6
12
18
20
18
18
17
11
6
0
0
0
2
33
42
50

High Clouds (% Sky Obscured)

26
28
31
9
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
0
2

ISS Passover

Visibility (miles)

4
1
9
9
9
8
1
8
9
2
1
0
0
1
1
1
1
1
1
1
1
4
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
None
Snow
Snow
None
None
Snow
None
Snow

Precipitation Probability (%)

61
69
70
60
55
51
36
36
32
40
45
42
38
37
47
40
32
39
41
27
24
31
21
24

Precipitation Amount (mm)

0.3
0.4
0.4
0.3
0.2
0.2
0
0
0
0
0.2
0.2
0.1
0.1
0.3
0.2
0
0.2
0.2
0
0
0.1
0
0.1

Wind Speed/Direction (mph)

8
8
10
12
14
14
15
16
17
17
19
19
20
20
19
18
17
16
15
13
11
9
7
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-4
-5
-5
-6
-6
-6
-9
-11
-13
-14
-16
-17
-17
-16
-16
-15
-15
-14
-14
-13
-13
-12
-12

Dew Point (°C)

2
1
-0
-1
-2
-2
-2
-4
-6
-8
-8
-9
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-11
-11

Relative Humidity (%)

100
98
88
83
78
84
89
84
81
81
84
83
82
82
80
82
80
80
80
82
82
80
79
85

Pressure (mb)

991
991
992
992
992
993
994
995
995
996
997
999
1001
1003
1005
1007
1008
1010
1011
1013
1014
1015
1016
1016

Ozone (du)

348
351
357
365
376
381
385
389
385
385
382
391
397
392
385
375
372
368
368
366
363
367
369
373

Saturday 20

Waxing Crescent 1%

08:47

16:54

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
03 Bad

Sun - Rise: 07:51, Set: 16:42, Transit: 12:16. Moon - Rise: 08:47, Set: 16:54. Civil Dark: 17:15 - 07:18. Nautical Dark: 17:52 - 06:41. Astro Dark: 18:27 - 06:06

Total Clouds (% Sky Obscured)

96
96
95
99
99
98
96
93
90
93
96
100
100
100
100
100
100
100
90
82
75
79
83
86

Low Clouds (% Sky Obscured)

75
52
30
50
70
91
83
76
69
73
77
81
69
56
44
64
80
93
83
71
61
72
83
86

Medium Clouds (% Sky Obscured)

80
62
80
99
98
97
91
87
81
88
95
100
100
100
90
92
94
97
79
64
55
71
83
86

High Clouds (% Sky Obscured)

1
4
6
20
20
25
20
25
30
53
80
76
95
56
45
40
36
85
63
32
0
32
60
86

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

20
13
10
9
16
40
48
47
63
55
36
58
76
57
44
44
38
30
29
28
23
20
21
24

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.1
0.3
0.2
0
0.2
0.4
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
1
3
4
5
6
8
9
10
12
11
11
10
9
8
9
8
8
8
9
9
9
9
9

Chance of Frost

Temperature (°C)

-9
-10
-10
-10
-8
-7
-7
-6
-5
-4
-3
-2
-2
-2
-2
-1
-1
-1
-1
-1
-1
-1
-2
-2

Feels Like (°C)

-12
-12
-13
-14
-13
-12
-11
-12
-11
-10
-9
-9
-7
-7
-7
-6
-6
-6
-6
-6
-6
-5
-6
-6

Dew Point (°C)

-11
-11
-11
-11
-10
-9
-8
-7
-5
-4
-4
-3
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-4
-4

Relative Humidity (%)

87
90
90
88
87
85
90
90
94
94
91
92
96
98
96
91
89
89
87
86
84
84
84
83

Pressure (mb)

1017
1017
1017
1016
1016
1016
1015
1013
1012
1010
1009
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008

Ozone (du)

366
361
355
346
343
339
341
341
342
340
338
338
337
334
335
335
342
349
356
358
360
362
361
359

Sunday 21

Waxing Crescent 3%

09:30

17:58

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
03 OK

Sun - Rise: 07:52, Set: 16:42, Transit: 12:17. Moon - Rise: 09:30, Set: 17:58. Civil Dark: 17:15 - 07:18. Nautical Dark: 17:52 - 06:42. Astro Dark: 18:28 - 06:06

Total Clouds (% Sky Obscured)

89
92
96
99
99
99
99
99
100
100
100
100
100
100
100
99
98
97
91
85
78
63
48
35

Low Clouds (% Sky Obscured)

89
92
96
83
67
58
68
79
88
91
96
100
100
100
100
99
97
94
86
80
74
62
48
34

Medium Clouds (% Sky Obscured)

89
92
96
92
86
85
75
70
46
37
31
26
20
11
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

85
80
60
45
45
85
95
95
95
76
58
37
18
6
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

55
74
86
80
71
56
48
41
35
30
25
19
21
23
25
22
19
20
19
18
16
16
15
13

Precipitation Amount (mm)

0.2
0.4
0.6
0.5
0.3
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-2
-3
-3
-3
-3
-3
-4
-3
-2
-2
-3
-3
-5
-5
-6
-7
-8
-8
-9
-9
-9
-10
-11
-13

Feels Like (°C)

-6
-6
-7
-7
-9
-9
-9
-9
-10
-10
-9
-9
-10
-11
-11
-11
-14
-14
-14
-14
-13
-13
-16
-15

Dew Point (°C)

-5
-5
-5
-5
-6
-6
-7
-6
-5
-4
-5
-6
-7
-8
-8
-9
-10
-10
-11
-11
-12
-13
-14
-15

Relative Humidity (%)

82
86
86
87
84
81
78
79
81
81
81
81
81
81
82
83
85
85
85
83
80
78
78
79

Pressure (mb)

1008
1008
1008
1008
1009
1010
1010
1010
1010
1010
1012
1013
1014
1016
1018
1019
1021
1022
1023
1025
1026
1027
1028
1030

Ozone (du)

358
365
372
378
378
378
377
372
367
361
362
363
364
367
370
372
374
375
376
372
368
363
364
364

Monday 22

Waxing Crescent 7%

10:04

19:06

04 OK
05 OK
06 OK
07 OK
08 OK
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

Sun - Rise: 07:52, Set: 16:43, Transit: 12:17. Moon - Rise: 10:04, Set: 19:06. Civil Dark: 17:16 - 07:19. Nautical Dark: 17:53 - 06:42. Astro Dark: 18:28 - 06:07

Total Clouds (% Sky Obscured)

27
19
10
21
37
48
56
65
73
73
80
89
90
91
91
93
95
96
95
95
96

Low Clouds (% Sky Obscured)

26
17
7
13
19
18
34
54
73
53
26
4
23
42
59
66
75
87
88
89
91

Medium Clouds (% Sky Obscured)

0
0
0
0
1
1
1
2
2
8
16
29
38
39
48
51
53
55
50
50
55

High Clouds (% Sky Obscured)

0
0
0
1
1
2
8
12
16
17
18
19
20
32
43
73
74
55
28
21
19

ISS Passover

Visibility (miles)

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

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 (%)

14
11
2
5
5
2
6
6
5
8
7
4
5
5
2
15
20
24
31
34
34

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)

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

Chance of Frost

Temperature (°C)

-14
-15
-16
-16
-15
-13
-11
-9
-6
-4
-5
-5
-5
-5
-5
-6
-5
-5
-4
-4
-3

Feels Like (°C)

-16
-17
-18
-18
-19
-19
-18
-17
-16
-16
-8
-9
-9
-9
-9
-9
-10
-10
-9
-9
-9

Dew Point (°C)

-17
-17
-18
-19
-17
-15
-13
-11
-9
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-6
-6

Relative Humidity (%)

81
82
82
81
84
84
85
85
84
82
84
84
84
87
87
90
89
87
87
82
79

Pressure (mb)

1031
1032
1033
1034
1034
1034
1034
1034
1033
1032
1032
1031
1031
1030
1030
1029
1029
1028
1027
1027
1026

Ozone (du)

364
356
349
342
335
329
323
326
328
331
333
335
337
336
335
333
331
328
325
322
320

Forecast for Barrie, Canada (44.39,-79.69)

Generated: 16/12/25 04:53:50. Forecast: 16/12/25 to 22/12/25. Timezone: UTC-5.00