Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 13

Waning Crescent 25%

02:26

12:51

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: 07:37, Set: 16:28, Transit: 12:02. Moon - Rise: 02:26, Set: 12:51. Civil Dark: 17:02 - 07:04. Nautical Dark: 17:38 - 06:27. Astro Dark: 18:14 - 05:52

Total Clouds (% Sky Obscured)

100
93
93
54
100
85
94
99
92
76
86
82
88
89
71
79
85
95
97
92
81
90
50
50

Low Clouds (% Sky Obscured)

69
77
0
25
77
67
61
66
65
65
71
68
79
74
71
68
67
79
83
72
75
72
0
0

Medium Clouds (% Sky Obscured)

25
30
85
29
97
33
76
96
68
20
38
40
38
40
25
38
40
47
45
50
56
43
33
29

High Clouds (% Sky Obscured)

0
0
3
0
20
12
34
30
30
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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 (%)

22
6
17
7
2
2
3
3
4
5
6
6
9
7
6
4
7
6
11
12
7
3
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)

12
10
10
12
12
8
8
8
6
6
6
5
5
4
4
4
4
3
3
3
4
5
7
7

Chance of Frost

Temperature (°C)

-1
-2
-2
-3
-4
-6
-7
-8
-9
-10
-10
-10
-10
-12
-13
-15
-15
-15
-16
-16
-17
-13
-11
-10

Feels Like (°C)

-7
-8
-8
-8
-10
-11
-12
-12
-14
-14
-14
-15
-14
-15
-17
-18
-19
-20
-20
-21
-21
-17
-16
-16

Dew Point (°C)

-3
-4
-6
-6
-7
-8
-10
-11
-11
-11
-11
-12
-12
-13
-15
-16
-17
-17
-18
-18
-19
-15
-14
-14

Relative Humidity (%)

89
84
75
81
82
80
77
79
83
87
88
88
88
90
88
86
86
86
84
83
82
86
83
77

Pressure (mb)

1009
1009
1009
1010
1011
1012
1013
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1018
1019
1019
1020

Ozone (du)

355
355
351
340
336
336
344
347
350
353
352
353
356
362
367
367
373
385
389
385
382
381
377
374

Sunday 14

Waning Crescent 17%

03:31

13:09

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

Sun - Rise: 07:38, Set: 16:29, Transit: 12:03. Moon - Rise: 03:31, Set: 13:09. Civil Dark: 17:02 - 07:05. Nautical Dark: 17:39 - 06:28. Astro Dark: 18:14 - 05:52

Total Clouds (% Sky Obscured)

8
31
60
19
5
22
29
7
7
5
5
5
3
45
42
7
7
47
51
64
100
68
95
97

Low Clouds (% Sky Obscured)

0
23
20
0
0
0
0
0
0
0
0
0
0
45
42
0
0
0
0
0
9
24
67
80

Medium Clouds (% Sky Obscured)

1
1
0
1
2
1
1
1
0
0
0
0
0
24
0
0
0
16
51
64
86
67
53
96

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
5
47
51
64
100
68
68
72

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
11

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-13
-13
-15
-15
-17
-19
-19
-19
-20
-20
-19
-20
-20
-20
-20
-20
-20
-21
-21
-21
-19
-17
-14

Dew Point (°C)

-15
-14
-14
-14
-15
-18
-18
-17
-18
-19
-19
-18
-19
-19
-19
-19
-19
-20
-19
-19
-18
-17
-15
-13

Relative Humidity (%)

68
68
71
74
75
81
79
77
74
76
76
79
81
81
82
82
82
81
82
83
84
84
81
80

Pressure (mb)

1019
1019
1020
1021
1022
1023
1024
1024
1024
1024
1025
1025
1025
1025
1026
1025
1025
1025
1025
1025
1024
1024
1023
1022

Ozone (du)

375
372
364
351
345
345
344
343
341
343
357
369
362
350
338
321
310
298
292
284
283
285
285
285

Monday 15

Waning Crescent 11%

04:36

13:29

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

Sun - Rise: 07:39, Set: 16:29, Transit: 12:03. Moon - Rise: 04:36, Set: 13:29. Civil Dark: 17:02 - 07:05. Nautical Dark: 17:39 - 06:28. Astro Dark: 18:14 - 05:53

Total Clouds (% Sky Obscured)

98
99
100
100
94
97
98
90
93
74
80
89
76
82
15
2
3
6
60
44
29
24
49
76

Low Clouds (% Sky Obscured)

73
77
88
91
80
88
79
65
81
69
60
61
61
65
0
0
0
0
59
40
20
0
30
61

Medium Clouds (% Sky Obscured)

95
97
100
100
90
96
93
86
31
36
50
44
60
49
15
1
0
0
0
0
0
0
25
59

High Clouds (% Sky Obscured)

66
87
100
45
6
5
41
20
1
6
0
14
30
35
0
0
0
1
2
10
9
24
49
76

ISS Passover

Visibility (miles)

9
1
0
0
0
0
6
9
9
9
9
7
3
3
7
3
5
3
3
3
3
5
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
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

33
50
65
66
65
51
28
8
4
2
1
0
2
0
0
0
0
1
1
2
3
2
2
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-10
-8
-8
-7
-7
-9
-9
-9
-10
-11
-12
-13
-14
-14
-14
-16
-16
-17
-17
-16
-13
-11
-9

Relative Humidity (%)

78
82
90
92
94
90
82
85
87
88
88
88
88
86
86
86
84
84
84
84
86
88
88
87

Pressure (mb)

1021
1019
1018
1017
1016
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018
1018
1019
1020
1020
1021
1021
1020

Ozone (du)

288
292
292
293
294
293
305
313
314
324
343
343
340
344
336
331
325
313
310
307
307
304
300
290

Tuesday 16

Waning Crescent 6%

05:42

13:53

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: 07:39, Set: 16:29, Transit: 12:04. Moon - Rise: 05:42, Set: 13:53. Civil Dark: 17:02 - 07:06. Nautical Dark: 17:39 - 06:29. Astro Dark: 18:15 - 05:54

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

91
89
87
85
88
91
94
90
86
82
80
79
79
83
86
90
91
93
94
95
98
100
100
100

Medium Clouds (% Sky Obscured)

96
99
99
98
87
76
58
61
78
64
88
97
100
86
68
58
66
71
40
33
59
9
2
1

High Clouds (% Sky Obscured)

100
79
55
28
43
72
91
100
100
100
100
100
100
92
84
79
57
38
11
31
46
53
32
37

ISS Passover

Visibility (miles)

9
9
3
0
2
0
1
2
9
9
9
9
9
9
9
9
9
9
9
9
4
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
Sleet
None
None
None
None

Precipitation Probability (%)

2
9
19
19
29
22
17
9
4
3
3
0
0
0
0
0
2
10
26
59
41
1
14
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
91
94
91
94
94
92
89
89
89
89
89
89
87
89
89
89
89
91
94
94
96
96

Pressure (mb)

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

Ozone (du)

278
275
275
273
273
274
274
274
272
272
272
272
272
271
273
275
274
277
285
288
294
297
298
301

Wednesday 17

Waning Crescent 2%

06:46

14:23

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

Sun - Rise: 07:40, Set: 16:30, Transit: 12:04. Moon - Rise: 06:46, Set: 14:23. Civil Dark: 17:03 - 07:06. Nautical Dark: 17:40 - 06:30. Astro Dark: 18:15 - 05:54

Total Clouds (% Sky Obscured)

100
100
99
99
88
96
96
79
37
30
31
34
36
39
44
51
67
83
99
95
90
84
88
93

Low Clouds (% Sky Obscured)

100
99
99
98
88
94
92
79
37
30
31
34
36
39
44
51
67
62
60
61
61
64
71
79

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
2
1
1
0
14
17
18
30
41
52
52
51
55
70
85

High Clouds (% Sky Obscured)

38
27
14
0
0
0
0
0
0
0
4
11
18
9
13
17
43
71
99
75
49
24
49
75

ISS Passover

Visibility (miles)

9
9
9
4
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 (%)

15
4
7
18
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
96
84
75
74
74
72
72
75
79
84
89
89
89
89
87
85
85
85
86
86
89

Pressure (mb)

1006
1006
1007
1009
1010
1011
1013
1014
1015
1016
1017
1018
1019
1020
1019
1019
1019
1019
1019
1019
1018
1017
1016
1014

Ozone (du)

304
304
310
313
317
316
318
320
319
322
323
323
323
320
317
314
312
313
314
315
315
316
316
315

Thursday 18

Waning Crescent 0%

07:45

15:00

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: 07:40, Set: 16:30, Transit: 12:05. Moon - Rise: 07:45, Set: 15:00. Civil Dark: 17:03 - 07:07. Nautical Dark: 17:40 - 06:30. Astro Dark: 18:16 - 05:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
88
82
81
79
74
84
92

Low Clouds (% Sky Obscured)

87
77
69
60
70
80
90
91
92
93
92
90
89
85
82
78
77
77
76
74
71
67
75
84

Medium Clouds (% Sky Obscured)

100
97
95
95
97
99
100
100
100
100
100
100
100
85
73
55
42
34
29
39
47
52
48
43

High Clouds (% Sky Obscured)

100
100
100
100
86
66
43
62
81
100
100
100
100
75
47
10
2
5
7
5
2
0
4
6

ISS Passover

Visibility (miles)

4
2
1
1
0
0
0
0
0
0
0
0
0
0
3
6
9
6
3
0
3
5
7
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
Ice pellet
Ice pellet
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
None
None
None
None

Precipitation Probability (%)

34
66
90
95
95
95
95
95
95
95
95
95
95
95
95
95
91
81
69
53
41
22
26
28

Precipitation Amount (mm)

0
0.3
0.5
0.6
0.8
0.9
1
1.4
1.7
1.7
1.8
1.8
1.5
1.2
1
0.7
0.6
0.5
0.4
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
92
94
96
98
100
100
100
100
100
100
100
98
100
89
82
74
78
81
88
84
81
80
79

Pressure (mb)

1012
1010
1008
1007
1005
1004
1003
1001
1000
999
998
997
996
995
995
996
996
996
997
997
998
1000
1001
1002

Ozone (du)

313
312
312
313
314
316
318
320
321
322
324
329
335
341
346
351
356
356
356
356
355
353
352
353

Friday 19

New Moon 0%

08:37

15:47

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 OK
01 OK
02 OK
03 Bad
04 Bad
05 OK
06 OK

Sun - Rise: 07:41, Set: 16:30, Transit: 12:05. Moon - Rise: 08:37, Set: 15:47. Civil Dark: 17:04 - 07:08. Nautical Dark: 17:41 - 06:31. Astro Dark: 18:16 - 05:55

Total Clouds (% Sky Obscured)

100
100
99
99
79
63
50
48
47
55
48
36
18
23
32
40
40
35
35

Low Clouds (% Sky Obscured)

94
93
93
93
79
63
50
48
47
55
48
35
17
12
7
3
5
7
8

Medium Clouds (% Sky Obscured)

43
45
42
40
35
30
25
17
9
1
1
1
1
7
13
19
31
35
35

High Clouds (% Sky Obscured)

7
4
2
2
10
17
34
27
21
3
3
3
3
23
32
40
40
35
35

ISS Passover

Visibility (miles)

8
9
9
8
8
8
7
7
8
8
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

Precipitation Type

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

Precipitation Probability (%)

28
26
21
14
14
14
10
10
11
9
9
6
0
1
1
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

Wind Speed/Direction (mph)

16
17
16
16
15
15
14
14
12
11
10
8
7
7
5
4
3
2
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
79
79
79
78
79
81
82
84
87
89
87
87
85
87
88
92
90
88

Pressure (mb)

1004
1005
1007
1009
1011
1013
1016
1018
1019
1021
1022
1023
1024
1025
1026
1027
1027
1027
1028

Ozone (du)

355
356
360
364
368
364
361
357
353
348
343
341
338
335
334
332
331
330
329

Forecast for Erinsville, Lennox and Addington County, Canada (44.48,-77.05)

Generated: 13/12/25 11:48:20. Forecast: 13/12/25 to 19/12/25. Timezone: UTC-5.00