Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 22

Waxing Crescent 7%

10:31

18:56

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
12 Bad

Sun - Rise: 07:52, Set: 16:34, Transit: 12:13. Moon - Rise: 10:31, Set: 18:56. Civil Dark: 17:08 - 07:18. Nautical Dark: 17:45 - 06:40. Astro Dark: 18:22 - 06:04

Total Clouds (% Sky Obscured)

100
100
100
100
99
93
97
97
98
100
100
100
100
100
100
100
100
100
100
100
100
98
99
98

Low Clouds (% Sky Obscured)

100
100
100
100
98
90
90
74
91
99
91
100
94
98
92
93
89
100
100
99
98
94
98
88

Medium Clouds (% Sky Obscured)

79
56
8
35
25
33
66
72
72
53
97
60
57
80
100
100
100
100
100
100
100
91
96
88

High Clouds (% Sky Obscured)

3
3
6
58
66
70
55
36
74
100
100
100
100
100
100
100
62
100
60
65
3
0
0
0

ISS Passover

Visibility (miles)

1
1
2
1
1
1
3
5
3
1
1
1
1
3
2
0
0
0
0
0
0
0
0
0

Fog (%)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Precipitation Type

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

Precipitation Probability (%)

0
0
0
24
10
2
2
0
1
1
6
18
19
54
62
65
77
95
95
95
95
95
95
88

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.3
0.7
1.3
1.2
1
0.8
0.7
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
87
91
92
94
94
98
96
96
96
98
98
96
98
98
98
98
98
96
98
96
96
98

Pressure (mb)

1026
1025
1025
1025
1025
1025
1026
1025
1025
1025
1025
1024
1023
1023
1021
1020
1019
1017
1017
1016
1015
1014
1013
1011

Ozone (du)

355
348
348
343
333
327
330
330
327
324
318
320
312
306
306
308
310
306
304
302
299
301
307
312

Tuesday 23

Waxing Crescent 13%

10:53

20:08

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
12 Bad

Sun - Rise: 07:52, Set: 16:34, Transit: 12:14. Moon - Rise: 10:53, Set: 20:08. Civil Dark: 17:08 - 07:18. Nautical Dark: 17:46 - 06:41. Astro Dark: 18:22 - 06:05

Total Clouds (% Sky Obscured)

98
98
100
100
100
100
100
100
96
94
95
98
100
100
100
94
81
81
79
81
80
78
62
92

Low Clouds (% Sky Obscured)

94
90
100
99
100
100
100
100
92
92
95
97
100
100
100
94
78
77
77
79
78
76
45
30

Medium Clouds (% Sky Obscured)

72
91
54
52
49
2
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
9
18

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
0
0
34

ISS Passover

Visibility (miles)

0
0
0
0
0
0
1
0
0
0
0
0
1
3
1
1
2
2
2
3
4
5
9
9

Fog (%)

2
6
9
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0

Precipitation Type

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

Precipitation Probability (%)

66
72
69
63
50
39
36
32
42
52
47
50
26
6
10
11
3
4
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-2
-4
-6
-8
-9
-11
-12
-13
-13
-13
-12
-11

Feels Like (°C)

-4
-4
-4
-4
-5
-6
-7
-6
-6
-6
-6
-8
-8
-10
-12
-14
-16
-17
-18
-19
-19
-18
-17
-16

Dew Point (°C)

-1
-1
-1
-1
-1
-1
-2
-2
-3
-2
-2
-3
-3
-6
-8
-10
-11
-13
-14
-15
-15
-15
-14
-13

Relative Humidity (%)

98
98
98
98
98
98
92
92
91
94
94
91
89
87
87
85
85
85
85
84
84
83
83
81

Pressure (mb)

1010
1009
1009
1009
1009
1009
1010
1010
1011
1011
1011
1012
1013
1015
1018
1020
1022
1024
1026
1027
1029
1029
1029
1029

Ozone (du)

323
333
337
340
340
343
346
348
348
348
346
343
343
342
338
332
330
329
326
324
322
324
324
325

Wednesday 24

Waxing Crescent 21%

11:12

21:19

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
12 Bad

Sun - Rise: 07:53, Set: 16:35, Transit: 12:14. Moon - Rise: 11:12, Set: 21:19. Civil Dark: 17:09 - 07:19. Nautical Dark: 17:47 - 06:41. Astro Dark: 18:23 - 06:05

Total Clouds (% Sky Obscured)

73
65
69
86
91
100
100
100
100
100
100
100
96
84
97
100
98
97
98
99
100
100
100
100

Low Clouds (% Sky Obscured)

16
11
7
1
5
56
44
74
85
86
70
7
10
10
89
100
85
96
98
99
100
89
78
68

Medium Clouds (% Sky Obscured)

32
51
56
85
87
100
100
100
100
100
100
94
75
82
69
82
53
50
0
0
0
0
2
3

High Clouds (% Sky Obscured)

17
0
4
4
56
18
57
97
100
99
100
87
37
16
43
50
94
4
82
93
96
98
91
100

ISS Passover

Visibility (miles)

9
9
9
9
9
3
5
9
5
8
3
9
9
0
0
1
1
1
0
0
1
1
1
2

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

Precipitation Probability (%)

0
0
0
0
0
0
0
5
2
34
31
5
23
61
42
7
9
22
23
25
23
22
20
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.1
0.1
0
0
0.3
0.1
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
80
88
88
88
90
88
90
88
88
88
90
88
92
92
94
94
92
94
94
90
90
87

Pressure (mb)

1028
1028
1028
1028
1028
1028
1027
1027
1025
1025
1024
1022
1021
1021
1020
1019
1018
1017
1018
1018
1019
1019
1019
1020

Ozone (du)

327
328
324
321
320
322
323
323
321
320
316
313
312
312
317
333
347
351
347
343
343
344
343
338

Thursday 25

Waxing Crescent 30%

11:30

22:30

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
12 Bad

Sun - Rise: 07:53, Set: 16:36, Transit: 12:15. Moon - Rise: 11:30, Set: 22:30. Civil Dark: 17:10 - 07:19. Nautical Dark: 17:47 - 06:41. Astro Dark: 18:23 - 06:05

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

66
65
63
64
64
65
62
61
60
38
20
2
11
18
27
42
59
73
77
82
89
84
80
79

Medium Clouds (% Sky Obscured)

15
27
43
46
49
52
49
50
52
54
55
81
99
86
100
100
100
100
99
100
100
98
73
100

High Clouds (% Sky Obscured)

100
100
100
100
100
98
70
70
70
94
86
100
100
100
100
100
100
100
100
100
100
100
100
92

ISS Passover

Visibility (miles)

2
7
9
9
8
7
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
Snow
Snow
Snow
Snow

Precipitation Probability (%)

17
7
0
0
1
2
0
0
0
0
0
0
0
0
0
0
0
0
17
38
59
74
80
79

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.5
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-7
-8
-9
-10
-11
-12
-13
-14
-14
-15
-15
-16
-16
-16
-16
-16
-16
-16
-15
-15
-15
-14
-14
-13

Feels Like (°C)

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

Dew Point (°C)

-9
-10
-11
-12
-13
-14
-15
-16
-17
-17
-18
-18
-19
-19
-19
-19
-19
-19
-18
-18
-18
-18
-18
-18

Relative Humidity (%)

85
83
82
83
83
85
83
81
81
82
81
81
81
79
79
76
76
77
76
76
76
70
68
67

Pressure (mb)

1020
1021
1023
1024
1025
1026
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1026
1026
1025
1024
1023
1021

Ozone (du)

335
331
326
325
323
323
324
322
323
323
322
323
323
319
317
317
318
319
319
320
321
320
323
325

Friday 26

Waxing Crescent 41%

11:48

23:42

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 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 Bad
12 Bad

Sun - Rise: 07:53, Set: 16:36, Transit: 12:15. Moon - Rise: 11:48, Set: 23:42. Civil Dark: 17:10 - 07:19. Nautical Dark: 17:48 - 06:42. Astro Dark: 18:24 - 06:06

Total Clouds (% Sky Obscured)

85
74
72
72
94
81
84
98
100
100
99
85
65
63
53
39
39
34
19
18
20
45
65
78

Low Clouds (% Sky Obscured)

62
60
62
72
78
81
82
91
91
90
90
85
65
63
53
39
39
34
19
18
20
45
65
61

Medium Clouds (% Sky Obscured)

60
57
52
53
52
50
45
45
45
38
91
34
31
15
0
7
13
20
14
7
0
0
0
1

High Clouds (% Sky Obscured)

85
74
72
72
94
81
67
33
10
10
6
0
0
0
0
0
0
0
0
0
0
0
3
9

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

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

Precipitation Probability (%)

81
91
95
95
95
95
95
95
80
83
83
81
41
34
24
14
7
0
1
2
0
0
0
0

Precipitation Amount (mm)

0.4
0.6
0.8
0.9
1
0.9
0.8
0.6
0.6
0.6
0.6
0.6
0.1
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-18
-16
-16
-16
-16
-18
-16
-17
-18
-18
-18
-17
-16
-12
-13
-14
-14
-15
-15
-16
-16
-16
-17
-18

Dew Point (°C)

-17
-17
-16
-16
-16
-16
-16
-16
-17
-17
-17
-17
-16
-13
-14
-15
-15
-16
-16
-16
-15
-15
-13
-11

Relative Humidity (%)

67
66
70
75
76
79
78
78
76
74
71
71
73
74
73
73
73
73
73
73
73
73
78
80

Pressure (mb)

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

Ozone (du)

328
328
331
333
333
338
341
346
351
351
347
343
342
342
341
341
339
336
333
332
332
331
329
327

Saturday 27

First Quarter 52%

12:07

00:57

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
12 Bad

Sun - Rise: 07:54, Set: 16:37, Transit: 12:16. Moon - Rise: 12:07, Set: 00:57. Civil Dark: 17:11 - 07:19. Nautical Dark: 17:49 - 06:42. Astro Dark: 18:25 - 06:06

Total Clouds (% Sky Obscured)

78
72
71
68
74
78
85
76
63
68
76
92
94
96
99
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

58
56
56
51
50
44
38
40
30
48
58
68
67
67
70
59
48
38
42
47
48
64
79
95

Medium Clouds (% Sky Obscured)

24
44
66
62
64
60
57
54
38
44
54
69
78
87
95
96
97
98
96
96
95
93
91
85

High Clouds (% Sky Obscured)

8
11
10
8
4
0
2
4
6
8
15
26
52
85
90
94
94
100
73
46
8
36
66
97

ISS Passover

Visibility (miles)

9
8
6
5
3
2
1
1
1
1
0
0
0
0
0
0
0
1
1
1
0
0
0
1

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
Frozen rai
Snow

Precipitation Probability (%)

0
0
0
6
10
13
15
15
14
40
56
67
72
74
74
85
87
86
71
59
50
55
61
70

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-18
-12
-12
-11
-12
-12
-12
-13
-13
-13
-13
-13
-13
-11
-12
-12
-12
-12
-12
-10
-10
-9
-8
-7

Dew Point (°C)

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

Relative Humidity (%)

85
87
89
90
92
92
92
92
92
94
94
94
96
94
96
98
96
96
96
96
98
98
96
94

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1018
1017
1016
1015
1014
1013
1012
1011
1010
1009
1008
1007
1005
1004

Ozone (du)

325
326
326
327
327
327
327
328
329
330
333
336
339
341
344
346
353
360
367
376
384
393
395
397

Sunday 28

Waxing Gibbous 63%

12:30

02:15

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: 07:54, Set: 16:38, Transit: 12:16. Moon - Rise: 12:30, Set: 02:15. Civil Dark: 17:12 - 07:20. Nautical Dark: 17:49 - 06:42. Astro Dark: 18:26 - 06:06

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

97
98
100
100
100
100
100
100
100
100
99
98
98
97
94
94
94
91

Medium Clouds (% Sky Obscured)

81
78
78
57
29
0
11
22
33
55
76
98
95
93
90
92
91
90

High Clouds (% Sky Obscured)

93
92
90
82
72
70
27
0
0
0
0
0
10
20
30
31
34
34

ISS Passover

Visibility (miles)

1
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
2

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

69
59
41
32
27
20
19
19
21
29
39
53
67
74
76
68
54
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-9
-10
-11
-10
-10
-11
-16
-16
-15
-16
-16
-16
-19
-19
-17
-17
-18

Dew Point (°C)

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

Relative Humidity (%)

90
89
87
85
85
82
80
80
80
80
80
78
80
79
78
78
78
78

Pressure (mb)

1003
1003
1002
1002
1002
1002
1003
1002
1002
1001
1001
1000
999
999
999
999
998
998

Ozone (du)

399
410
420
431
435
440
444
444
444
444
447
450
452
447
442
436
431
426

Forecast for Algonquin Park, Canada (45.58,-78.51)

Generated: 22/12/25 13:53:50. Forecast: 22/12/25 to 28/12/25. Timezone: UTC-5.00