Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 6%

05:39

14:21

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:36, Set: 16:28, Transit: 12:02. Moon - Rise: 05:39, Set: 14:21. Civil Dark: 17:01 - 07:03. Nautical Dark: 17:38 - 06:26. Astro Dark: 18:13 - 05:51

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
99
100
98
78
81
96
98
95
97
100
100
100
100
100
97
96
100
67

Low Clouds (% Sky Obscured)

85
75
70
60
62
61
57
52
57
60
64
84
82
87
86
95
97
100
100
100
95
90
100
59

Medium Clouds (% Sky Obscured)

91
87
92
100
100
100
82
83
47
42
38
37
35
47
83
100
100
100
100
86
51
36
27
0

High Clouds (% Sky Obscured)

100
68
99
100
100
73
97
100
95
45
35
81
90
38
21
31
74
100
87
49
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
8
1
6

Fog (%)

1
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
15
16
11
23
39
34
20
29
21

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)

10
8
8
14
14
15
15
16
17
18
18
17
17
17
17
16
16
17
16
16
15
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
79
80
78
80
78
77
77
77
78
80
81
83
86
89
89
91
93
93
96
94
96
94

Pressure (mb)

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

Ozone (du)

270
271
273
272
267
266
265
264
266
264
265
268
271
273
278
284
289
292
296
299
302
310
321
325

Wednesday 17

Waning Crescent 2%

06:42

14:59

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
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
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:37, Set: 16:28, Transit: 12:03. Moon - Rise: 06:42, Set: 14:59. Civil Dark: 17:01 - 07:04. Nautical Dark: 17:38 - 06:27. Astro Dark: 18:13 - 05:52

Total Clouds (% Sky Obscured)

75
62
64
67
48
46
40
18
38
58
94
81
86
100
100
100
100
64
69
59
99
100
100
96

Low Clouds (% Sky Obscured)

67
62
64
67
48
46
40
18
1
39
87
66
73
48
31
0
0
0
0
0
97
100
94
91

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
13
35
40
40
40
30
20
20
25
3
0
28
37
32
12

High Clouds (% Sky Obscured)

0
0
0
0
1
4
1
2
38
58
60
60
51
100
100
100
100
64
69
59
81
83
67
39

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
8
8
8
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 (%)

8
4
0
0
0
0
0
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)

15
13
10
8
8
5
4
4
3
3
3
6
8
9
9
8
9
11
12
13
14
15
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
77
83
87
87
89
89
89
89
87
81
84
84
87
86
83
78
73
73
73
71
73
76

Pressure (mb)

1011
1013
1015
1017
1019
1020
1021
1021
1021
1021
1021
1021
1020
1019
1019
1019
1018
1017
1017
1016
1015
1014
1013
1012

Ozone (du)

332
335
325
320
319
317
316
316
315
316
316
316
315
315
316
317
313
311
309
307
306
304
305
305

Thursday 18

Waning Crescent 0%

07:41

15:46

16 Good
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
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:37, Set: 16:29, Transit: 12:03. Moon - Rise: 07:41, Set: 15:46. Civil Dark: 17:02 - 07:04. Nautical Dark: 17:38 - 06:27. Astro Dark: 18:14 - 05:52

Total Clouds (% Sky Obscured)

12
52
60
48
76
98
98
94
99
100
100
100
100
100
100
100
100
100
100
100
100
98
97
95

Low Clouds (% Sky Obscured)

2
10
5
4
20
30
40
59
68
75
72
78
77
80
82
94
86
82
99
95
95
97
97
95

Medium Clouds (% Sky Obscured)

0
16
16
16
17
42
50
87
49
89
100
100
100
100
100
100
100
100
95
91
100
50
23
0

High Clouds (% Sky Obscured)

10
52
59
34
67
84
67
62
89
86
100
100
100
100
100
100
100
100
100
40
45
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
3
2
2
2
2
3
9
9
9
9
9
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
None
None
None
None
None
None
None
None
Very Light Rain
Moderate Rain
Moderate Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
2
9
11
20
64
95
95
95
95
95
95
95
59
18
11
45
22
22
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
3
2.8
2.2
3.1
2.5
1.8
1.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
16
16
16
16
16
15
18
18
17
18
19
16
17
12
14
13
14
14
14
16
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
79
78
76
76
78
82
85
88
90
91
93
96
96
96
94
93
86
83
85
82
91
68
68

Pressure (mb)

1011
1011
1010
1009
1008
1006
1005
1003
1001
999
998
996
994
992
992
991
992
993
993
993
992
992
992
992

Ozone (du)

303
305
307
308
310
311
313
313
313
313
313
314
315
319
323
324
328
331
334
337
341
349
359
368

Friday 19

New Moon 1%

08:33

No Set

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

Sun - Rise: 07:38, Set: 16:29, Transit: 12:04. Moon - Rise: 08:33, Set: No Set. Civil Dark: 17:02 - 07:05. Nautical Dark: 17:39 - 06:28. Astro Dark: 18:14 - 05:53

Total Clouds (% Sky Obscured)

69
99
95
85
96
93
91
89
86
64
52
42
39
21
21
37
49
58
59
92
97
98
99
100

Low Clouds (% Sky Obscured)

69
96
93
85
84
78
79
79
79
61
44
27
18
8
0
0
0
0
0
0
0
17
57
75

Medium Clouds (% Sky Obscured)

21
43
61
59
56
51
35
21
5
4
2
0
11
21
21
37
49
50
52
77
97
98
99
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
10
12
42
71
100

ISS Passover

Visibility (miles)

9
2
9
9
9
8
9
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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 (%)

28
30
16
11
14
16
27
14
6
4
2
1
0
0
0
0
0
0
0
0
0
4
22
20

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)

17
19
18
18
17
16
15
17
17
16
15
14
14
13
12
10
8
7
5
5
5
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-3
-6
-9
-9
-9
-8
-9
-12
-13
-14
-13
-13
-14
-14
-14
-14
-14
-14
-15
-14
-13
-12
-9

Relative Humidity (%)

68
83
71
62
64
72
73
73
61
59
57
58
61
58
58
58
57
56
53
50
51
53
55
66

Pressure (mb)

993
994
995
997
998
999
1000
1002
1005
1007
1009
1012
1013
1015
1016
1017
1018
1019
1019
1019
1018
1017
1016
1016

Ozone (du)

374
378
380
386
396
402
395
384
373
368
368
369
364
360
355
354
351
342
339
336
335
335
335
332

Saturday 20

Waxing Crescent 3%

09:16

16:42

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 OK
09 OK
10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:38, Set: 16:29, Transit: 12:04. Moon - Rise: 09:16, Set: 16:42. Civil Dark: 17:03 - 07:05. Nautical Dark: 17:39 - 06:28. Astro Dark: 18:15 - 05:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
71
60
54
46
28
25
28
31
30
56
75
93

Low Clouds (% Sky Obscured)

81
90
100
97
94
91
74
59
43
55
68
81
71
60
54
46
28
25
28
31
30
56
75
91

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
96
100
100
100
94
45
43
32
21
13
7
4
3
2
0
3
6
7

High Clouds (% Sky Obscured)

77
58
47
68
85
100
100
100
33
25
25
25
17
3
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
5
8
2
1
4
8
9
0
0
0
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
Snow
None
Snow
Snow
Snow
None
Snow
None
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
41
29
64
56
53
46
46
45
55
37
13
16
17
17
25
17
5
14
17
19
23
26
26

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
8
10
11
11
12
12
12
12
12
11
10
9
9
9
9
10
11
13
14
16
18
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
84
82
78
89
86
80
78
98
98
96
86
80
83
84
83
80
76
73
68
64
60
60
61

Pressure (mb)

1014
1013
1012
1011
1010
1009
1008
1007
1007
1006
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1007
1009
1011

Ozone (du)

329
327
328
328
331
331
333
337
343
348
350
353
357
360
360
361
361
361
362
362
362
362
363
364

Sunday 21

Waxing Crescent 7%

09:51

17:45

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

Sun - Rise: 07:39, Set: 16:30, Transit: 12:05. Moon - Rise: 09:51, Set: 17:45. Civil Dark: 17:03 - 07:06. Nautical Dark: 17:40 - 06:29. Astro Dark: 18:15 - 05:54

Total Clouds (% Sky Obscured)

81
68
56
56
57
60
53
47
36
27
19
10
8
6
4
4
3
2
1
1
1
2
3
7

Low Clouds (% Sky Obscured)

81
68
56
56
56
54
53
47
36
27
19
10
8
4
3
4
3
2
1
1
0
1
1
3

Medium Clouds (% Sky Obscured)

4
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2

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
0

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 (%)

23
19
12
10
7
4
4
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
60
59
59
59
60
61
61
62
61
61
61
63
63
64
64
61
59
58
54
54
51
52
53

Pressure (mb)

1013
1015
1017
1019
1020
1022
1023
1024
1025
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1036
1036
1036
1036
1036

Ozone (du)

366
364
363
361
365
368
372
371
370
369
370
371
371
371
370
370
371
371
372
373
375
377
378
380

Monday 22

Waxing Crescent 13%

10:19

18:53

16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
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
12 Bad

Sun - Rise: 07:39, Set: 16:31, Transit: 12:05. Moon - Rise: 10:19, Set: 18:53. Civil Dark: 17:04 - 07:06. Nautical Dark: 17:40 - 06:29. Astro Dark: 18:16 - 05:54

Total Clouds (% Sky Obscured)

8
8
6
5
4
2
14
25
42
69
86
97
97
97
97
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
9
16
23
24
30
33
34
28
27
46
69
93

Medium Clouds (% Sky Obscured)

2
1
1
1
0
0
2
5
8
35
62
89
82
76
69
79
89
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
2
27
46
54
66
78
90
93
97
100
96
89
78

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
15
18
22
24
27

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)

7
7
6
6
5
5
5
4
3
3
3
4
5
6
7
9
10
11
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-10
-11
-10
-11
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-8
-9
-9
-10
-10

Dew Point (°C)

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

Relative Humidity (%)

53
56
58
59
60
62
63
63
62
62
60
60
59
62
65
68
70
73
78
69
63

Pressure (mb)

1036
1037
1037
1037
1037
1037
1037
1036
1036
1035
1035
1034
1034
1033
1032
1031
1030
1029
1027
1025
1023

Ozone (du)

382
380
379
377
370
362
355
348
342
335
334
332
331
329
327
325
325
325
325
324
324

Forecast for Kingston, Canada (44.23,-76.49)

Generated: 16/12/25 16:26:56. Forecast: 16/12/25 to 22/12/25. Timezone: UTC-5.00