Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 5

Waning Gibbous 97%

16:49

08:36

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
04 Bad

Sun - Rise: 07:26, Set: 16:27, Transit: 11:57. Moon - Rise: 16:49, Set: 08:36. Civil Dark: 17:00 - 06:54. Nautical Dark: 17:36 - 06:17. Astro Dark: 18:11 - 05:42

Total Clouds (% Sky Obscured)

68
88
99
100
100
98
83
95
99
94
91
66
53
52
82
96
98
100
100
100
98
93
95
95

Low Clouds (% Sky Obscured)

65
88
99
94
82
36
42
78
94
73
65
64
48
51
80
74
63
83
88
86
82
87
85
82

Medium Clouds (% Sky Obscured)

68
88
99
100
100
95
66
67
69
72
77
30
27
10
27
73
74
81
100
100
95
83
91
87

High Clouds (% Sky Obscured)

35
53
57
45
0
1
2
16
11
2
5
4
2
3
3
64
66
100
100
50
29
4
0
0

ISS Passover

Visibility (miles)

9
9
8
2
2
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7

Fog (%)

6
9
12
23
11
7
5
1
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
22
20
12
12
0
0
0
0
0
0
3
1
1
1
3
2
3
5
4
10
26
30

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)

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

Chance of Frost

Temperature (°C)

-15
-15
-14
-8
-7
-7
-6
-6
-5
-4
-4
-3
-3
-3
-4
-3
-3
-3
-2
-1
-1
-1
0
-0

Feels Like (°C)

-18
-18
-18
-14
-14
-13
-13
-12
-11
-10
-10
-9
-9
-8
-7
-8
-7
-7
-7
-7
-6
-6
-6
-6

Dew Point (°C)

-19
-19
-17
-11
-10
-10
-10
-9
-9
-8
-8
-8
-8
-8
-8
-8
-7
-7
-6
-5
-5
-4
-4
-3

Relative Humidity (%)

71
71
78
80
80
77
76
74
73
70
70
71
72
72
72
71
71
73
74
74
74
75
77
80

Pressure (mb)

1025
1025
1024
1023
1022
1022
1021
1019
1018
1017
1016
1016
1015
1015
1014
1014
1013
1012
1012
1011
1011
1011
1010
1010

Ozone (du)

354
353
349
343
344
339
336
335
338
338
338
333
329
328
325
326
329
331
332
335
340
338
341
341

Saturday 6

Waning Gibbous 92%

18:02

09:41

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 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:27, Set: 16:27, Transit: 11:57. Moon - Rise: 18:02, Set: 09:41. Civil Dark: 16:59 - 06:54. Nautical Dark: 17:36 - 06:18. Astro Dark: 18:11 - 05:43

Total Clouds (% Sky Obscured)

95
97
98
98
98
96
96
98
94
96
63
78
51
27
47
51
78
81
37
29
38
93
83
89

Low Clouds (% Sky Obscured)

80
82
89
92
88
83
83
94
90
89
57
68
51
27
47
51
78
73
37
28
20
39
33
30

Medium Clouds (% Sky Obscured)

63
78
93
84
74
89
76
69
47
16
0
2
2
0
0
1
1
0
4
5
9
41
14
17

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
3
0
0
0
0
0
3
3
11
48
71
88

ISS Passover

Visibility (miles)

4
0
0
8
2
0
1
9
1
0
9
9
9
9
9
9
9
9
9
9
9
8
9
9

Fog (%)

0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

47
55
36
39
43
49
44
51
59
38
17
10
8
8
10
14
6
4
2
1
0
3
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
12
14
15
15
17
17
17
16
12
12
11
9
10
10
10
9
8
6
6
6
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
96
94
75
86
94
91
81
96
96
86
80
83
84
84
86
89
91
91
89
89
90
87
87

Pressure (mb)

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

Ozone (du)

351
356
371
377
368
356
348
342
336
334
332
328
327
328
327
327
329
329
330
327
327
329
330
336

Sunday 7

Waning Gibbous 84%

19:22

10:30

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 OK
03 Good
04 Good

Sun - Rise: 07:28, Set: 16:27, Transit: 11:57. Moon - Rise: 19:22, Set: 10:30. Civil Dark: 16:59 - 06:55. Nautical Dark: 17:36 - 06:19. Astro Dark: 18:11 - 05:44

Total Clouds (% Sky Obscured)

92
99
100
100
100
100
100
100
100
100
98
99
97
97
96
93
96
96
82
82
62
45
6
3

Low Clouds (% Sky Obscured)

48
49
43
67
44
85
93
97
92
92
90
97
88
83
82
85
92
87
74
61
41
24
1
0

Medium Clouds (% Sky Obscured)

86
99
98
99
100
100
100
100
100
98
92
97
84
75
69
42
47
69
70
70
31
15
0
0

High Clouds (% Sky Obscured)

82
94
100
100
100
100
100
60
70
75
75
70
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
1
2
1
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
1
6
24
51
60
65
72
78
80
62
56
49
47
36
18
5
2
2
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
79
77
77
74
73
73
73
73
77
89
90
90
92
90
90
90
88
87
85
83
81
80
76

Pressure (mb)

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

Ozone (du)

339
345
348
352
354
357
358
357
361
365
368
366
366
368
371
368
368
373
372
376
378
377
381
385

Monday 8

Waning Gibbous 75%

20:41

11:06

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

Sun - Rise: 07:29, Set: 16:27, Transit: 11:58. Moon - Rise: 20:41, Set: 11:06. Civil Dark: 16:59 - 06:56. Nautical Dark: 17:36 - 06:20. Astro Dark: 18:11 - 05:45

Total Clouds (% Sky Obscured)

3
2
2
2
1
5
8
11
9
12
9
5
37
60
57
77
100
84
65
47
41
39
44
74

Low Clouds (% Sky Obscured)

0
0
0
0
0
4
8
11
9
6
2
0
0
1
1
1
1
4
2
12
17
24
25
20

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
35
42
71
100
84
65
47
41
39
44
74

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
12
25
7
4
5
5
5
2
2
8
11
33

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
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

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
4
16

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-15
-16
-16
-16
-16
-15
-13
-12
-11
-12
-12
-12
-14
-14
-14
-14
-14
-13
-14
-13
-13
-14
-13

Dew Point (°C)

-14
-15
-15
-16
-16
-16
-16
-16
-15
-15
-15
-14
-14
-14
-14
-14
-14
-14
-13
-13
-13
-12
-13
-12

Relative Humidity (%)

80
81
83
79
73
69
66
64
62
60
62
71
76
76
76
78
78
76
75
75
75
78
78
78

Pressure (mb)

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

Ozone (du)

385
379
373
369
366
368
367
364
362
359
362
363
361
362
370
375
382
396
405
413
416
418
419
423

Tuesday 9

Waning Gibbous 65%

21:56

11:34

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
04 Bad

Sun - Rise: 07:30, Set: 16:27, Transit: 11:58. Moon - Rise: 21:56, Set: 11:34. Civil Dark: 17:00 - 06:57. Nautical Dark: 17:36 - 06:21. Astro Dark: 18:11 - 05:45

Total Clouds (% Sky Obscured)

90
100
100
100
95
95
100
100
100
100
100
100
100
100
100
100
99
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

20
10
35
63
95
63
35
5
26
47
67
71
75
79
83
89
95
97
98
100
96
92
88
89

Medium Clouds (% Sky Obscured)

88
100
100
100
86
43
100
100
100
100
100
99
92
100
98
98
98
99
99
98
98
98
100
100

High Clouds (% Sky Obscured)

36
45
17
18
26
31
93
97
33
88
85
82
86
71
78
89
95
99
96
76
76
88
100
100

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
2
0
1
8
2
0
2
4
6
8
9
9
9
6
3
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

5
0
0
3
3
1
4
17
31
36
36
43
52
46
50
50
46
49
50
49
57
63
68
74

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
4
6
5
6
7
9
11
14
14
14
14
14
13
13
14
15
16
16
15
15
16
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-13
-13
-13
-13
-11
-11
-11
-11
-10
-10
-10
-10
-8
-8
-8
-7
-8
-8
-7
-7
-6
-6
-6

Dew Point (°C)

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

Relative Humidity (%)

82
75
71
73
69
67
68
72
82
89
84
78
86
92
87
84
81
77
75
77
77
83
88
96

Pressure (mb)

1022
1022
1021
1020
1020
1019
1017
1016
1014
1013
1012
1011
1011
1010
1010
1009
1008
1007
1007
1006
1005
1005
1004
1004

Ozone (du)

422
420
418
416
414
413
414
416
413
407
395
390
382
375
368
362
356
350
348
347
345
343
340
338

Wednesday 10

Waning Gibbous 65%

23:07

11:56

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
04 Bad

Sun - Rise: 07:31, Set: 16:27, Transit: 11:59. Moon - Rise: 23:07, Set: 11:56. Civil Dark: 17:00 - 06:58. Nautical Dark: 17:36 - 06:21. Astro Dark: 18:11 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
98
97
92
93

Low Clouds (% Sky Obscured)

91
92
94
96
98
96
94
92
91
90
89
89
90
93
95
95
94
92
91
90
89
88
86
85

Medium Clouds (% Sky Obscured)

100
100
99
97
95
95
96
96
97
99
100
100
100
100
98
95
92
94
96
97
80
66
46
64

High Clouds (% Sky Obscured)

100
100
100
100
100
92
74
58
65
82
100
100
100
100
93
84
63
61
56
25
22
20
14
17

ISS Passover

Visibility (miles)

2
5
7
8
8
9
7
5
2
2
1
0
2
5
7
7
7
7
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
Snow

Precipitation Probability (%)

80
84
83
84
88
92
95
95
95
95
95
95
95
92
92
91
90
83
73
65
59
56
54
51

Precipitation Amount (mm)

0.5
0.5
0.5
0.5
0.6
0.6
0.7
0.8
0.8
0.9
1
1
0.8
0.6
0.6
0.6
0.6
0.5
0.4
0.3
0.2
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
89
86
81
76
70
77
83
91
94
94
98
96
94
93
94
94
94
91
88
85
84
81
81

Pressure (mb)

1003
1002
1002
1001
1000
1000
999
998
997
997
997
997
997
997
997
997
997
997
997
997
997
998
998
999

Ozone (du)

336
335
334
331
328
325
325
326
326
328
330
332
333
334
335
337
338
340
339
338
338
335
332
330

Thursday 11

Third Quarter 54%

00:14

12:15

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

Sun - Rise: 07:32, Set: 16:27, Transit: 11:59. Moon - Rise: 00:14, Set: 12:15. Civil Dark: 17:00 - 06:59. Nautical Dark: 17:36 - 06:22. Astro Dark: 18:12 - 05:47

Total Clouds (% Sky Obscured)

95
100
100
99
99
91
83
77
80
83
84
91
96
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

84
81
74
63
56
51
46
40
41
40
38
28
18
9
6
4
2
7
13
18

Medium Clouds (% Sky Obscured)

80
100
87
68
53
40
35
27
31
35
45
65
82
95
97
98
100
100
100
100

High Clouds (% Sky Obscured)

20
30
20
10
0
0
0
0
6
26
37
47
56
66
77
89
100
93
89
89

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

50
46
44
38
32
32
30
22
24
20
7
11
11
8
13
12
8
10
7
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
15
16
16
15
15
15
15
15
13
11
9
9
9
9
9
8
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
78
77
76
75
75
72
71
69
69
70
72
70
69
69
69
70
70
73
76

Pressure (mb)

999
1000
1001
1002
1003
1004
1004
1004
1004
1004
1005
1005
1005
1006
1006
1005
1005
1004
1004
1003

Ozone (du)

328
326
325
321
316
312
309
305
301
297
293
289
292
294
296
298
300
302
304
305

Forecast for Kingston, Canada (44.23,-76.49)

Generated: 05/12/25 05:58:35. Forecast: 05/12/25 to 11/12/25. Timezone: UTC-5.00