Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 31

Waxing Gibbous 92%

14:39

06:19

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 OK
07 OK
08 OK
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:52, Set: 16:50, Transit: 12:21. Moon - Rise: 14:39, Set: 06:19. Civil Dark: 17:22 - 07:19. Nautical Dark: 17:59 - 06:43. Astro Dark: 18:34 - 06:08

Total Clouds (% Sky Obscured)

85
88
91
92
96
100
89
50
66
72
70
46
31
3
1
2
18
81
86
89
93
93
72
88

Low Clouds (% Sky Obscured)

85
88
91
88
78
100
89
35
54
72
70
39
25
0
0
0
0
65
74
80
88
89
69
79

Medium Clouds (% Sky Obscured)

85
88
86
86
70
23
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
41

High Clouds (% Sky Obscured)

59
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)

0
0
5
0
6
0
0
0
0
1
5
5
6
7
7
7
9
8
1
1
2
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
9
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

62
36
31
65
45
29
31
27
23
19
9
7
6
3
3
3
3
8
29
31
31
21
19
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
10
7
12
12
8
9
12
9
7
6
5
4
4
3
3
2
2
4
8
9
9
7
7

Chance of Frost

Temperature (°C)

-6
-6
-6
-8
-10
-11
-11
-13
-15
-15
-17
-18
-18
-19
-19
-20
-18
-16
-13
-12
-10
-9
-10
-10

Feels Like (°C)

-12
-12
-12
-15
-17
-17
-18
-19
-20
-20
-21
-22
-23
-22
-22
-21
-21
-19
-18
-17
-16
-17
-17
-17

Dew Point (°C)

-7
-7
-8
-10
-12
-13
-14
-15
-17
-17
-19
-21
-21
-22
-22
-22
-21
-18
-16
-14
-13
-13
-14
-14

Relative Humidity (%)

92
92
90
90
86
86
80
86
86
84
80
77
76
77
77
78
79
78
79
81
78
74
74
72

Pressure (mb)

1000
1000
999
999
1001
1001
1002
1004
1005
1006
1008
1008
1009
1010
1011
1011
1011
1011
1011
1011
1009
1009
1009
1009

Ozone (du)

388
399
408
416
411
419
432
435
427
419
406
391
380
379
394
402
399
409
388
382
378
369
361
354

Thursday 1

Waxing Gibbous 98%

15:46

07:31

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

Sun - Rise: 07:52, Set: 16:51, Transit: 12:22. Moon - Rise: 15:46, Set: 07:31. Civil Dark: 17:23 - 07:19. Nautical Dark: 18:00 - 06:43. Astro Dark: 18:35 - 06:08

Total Clouds (% Sky Obscured)

82
88
65
60
66
74
60
41
37
44
40
22
37
39
51
37
32
46
77
82
83
68
50
45

Low Clouds (% Sky Obscured)

67
65
45
44
55
70
60
41
37
44
38
22
35
39
51
37
31
46
77
82
83
67
50
45

Medium Clouds (% Sky Obscured)

36
26
11
4
2
3
3
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
3
5
9
9
9
9
9
9
9
9
9
9
7
9
9
9
9
8
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 (%)

13
11
8
15
14
15
15
13
12
11
10
10
8
8
8
9
9
11
13
26
15
16
21
12

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

Chance of Frost

Temperature (°C)

-11
-11
-12
-11
-12
-12
-12
-12
-12
-12
-13
-12
-13
-13
-13
-13
-12
-10
-8
-7
-7
-7
-7
-8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
80
85
85
85
83
83
81
79
81
84
84
84
86
86
86
86
85
82
80
77
77
76
77

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1008
1007
1007
1008
1008

Ozone (du)

350
350
348
349
352
351
355
356
355
356
359
363
367
377
385
387
387
391
391
388
381
362
346
351

Friday 2

Waxing Gibbous 100%

17:04

08:28

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

Sun - Rise: 07:52, Set: 16:52, Transit: 12:22. Moon - Rise: 17:04, Set: 08:28. Civil Dark: 17:24 - 07:19. Nautical Dark: 18:00 - 06:43. Astro Dark: 18:36 - 06:08

Total Clouds (% Sky Obscured)

41
22
20
35
4
23
20
28
53
49
29
4
4
43
79
86
99
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
22
20
29
2
21
18
24
53
49
29
4
4
43
79
77
87
83
83
94
94
95
96
90

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
41
57
68
100
100
100
100
100
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
37
26
82
79
58
36
25
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
0
0
2
3
2
3
4
6
1
2
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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
10
10
12
14
14
15
15
14
12
16
16
28
25
12
12
17
8
5
4
7
7
24
36

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)

11
10
9
9
9
8
8
9
10
9
10
10
9
8
7
6
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
80
83
85
86
86
85
81
81
83
81
83
88
88
88
90
86
85
85
85
85
85
90

Pressure (mb)

1009
1009
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1013
1014
1015
1015
1016
1016
1015
1015
1014
1014
1014

Ozone (du)

353
340
330
331
334
337
339
338
337
339
341
339
341
340
340
340
342
343
343
342
339
340
340
339

Saturday 3

Full Moon 99%

17:04

09:11

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
16 Bad

Sun - Rise: 07:52, Set: 16:53, Transit: 12:23. Moon - Rise: 17:04, Set: 09:11. Civil Dark: 17:25 - 07:19. Nautical Dark: 18:01 - 06:43. Astro Dark: 18:36 - 06:08

Total Clouds (% Sky Obscured)

100
99
98
97
96
96
97
97
96
95
90
56
97
97
86
67
63
68
72
78
76
80
77
78

Low Clouds (% Sky Obscured)

91
96
91
97
96
95
93
93
91
87
83
56
95
97
83
63
57
63
70
75
73
72
71
51

Medium Clouds (% Sky Obscured)

98
98
95
94
91
88
87
82
70
59
23
6
3
0
0
0
0
0
0
0
0
0
0
10

High Clouds (% Sky Obscured)

5
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)

0
0
0
0
1
0
0
1
5
2
9
9
0
2
1
2
0
1
4
9
9
8
4
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

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 (%)

44
46
42
43
44
45
42
29
25
22
19
24
17
17
18
21
21
16
14
9
11
14
16
18

Precipitation Amount (mm)

0.1
0.1
0.1
0.1
0.1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-11
-11
-11
-11
-10
-11
-11
-12
-12
-12
-13
-12
-14
-15
-15
-15
-16
-15
-15
-15
-15
-15
-15

Dew Point (°C)

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

Relative Humidity (%)

94
94
92
94
94
94
92
92
90
90
90
88
90
92
92
90
90
88
85
81
81
81
85
90

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1014
1014
1015
1015
1017
1018
1019
1020
1020
1020
1021
1021
1022
1022

Ozone (du)

341
347
352
350
344
342
342
341
336
336
341
340
340
340
342
344
347
347
349
351
351
346
345
345

Sunday 4

Waning Gibbous 95%

18:26

09:43

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
16 Bad

Sun - Rise: 07:52, Set: 16:54, Transit: 12:23. Moon - Rise: 18:26, Set: 09:43. Civil Dark: 17:26 - 07:19. Nautical Dark: 18:02 - 06:43. Astro Dark: 18:37 - 06:08

Total Clouds (% Sky Obscured)

79
56
71
86
90
91
89
79
98
98
99
99
100
100
100
99
99
99
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

25
2
3
10
14
20
28
33
54
68
78
66
64
42
38
17
10
24
39
54
69
85
100
99

Medium Clouds (% Sky Obscured)

21
28
30
35
40
40
40
38
38
41
69
39
100
100
99
98
98
90
88
86
85
89
90
84

High Clouds (% Sky Obscured)

0
0
18
34
41
41
43
38
76
63
53
67
78
68
85
81
90
65
32
0
0
0
0
5

ISS Passover

Visibility (miles)

0
1
0
0
0
3
9
9
9
8
6
9
9
9
9
9
9
9
7
5
3
2
1
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None

Precipitation Probability (%)

17
16
14
6
9
0
1
0
1
2
0
36
52
64
95
78
60
54
46
33
28
26
28
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.3
0.7
0.4
0.2
0.2
0.1
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-11
-12
-13
-14
-15
-15
-17
-18
-19
-18
-18
-18
-17
-15
-14
-13
-12
-10
-9
-8
-7
-6
-6
-5

Feels Like (°C)

-16
-18
-18
-18
-20
-20
-21
-21
-21
-22
-22
-22
-21
-19
-18
-17
-17
-16
-17
-16
-16
-10
-10
-10

Dew Point (°C)

-13
-14
-15
-15
-16
-18
-19
-20
-21
-21
-21
-20
-20
-18
-17
-16
-14
-13
-12
-10
-9
-8
-7
-6

Relative Humidity (%)

88
83
84
88
86
81
82
81
80
81
80
81
81
79
77
79
81
83
82
83
85
87
89
92

Pressure (mb)

1023
1023
1024
1024
1025
1026
1026
1026
1026
1026
1026
1026
1025
1024
1024
1023
1022
1022
1021
1019
1018
1018
1017
1016

Ozone (du)

342
339
340
342
339
338
337
339
340
342
343
343
344
344
344
346
349
352
353
355
357
354
351
348

Monday 5

Waning Gibbous 89%

19:45

10:08

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
16 Bad

Sun - Rise: 07:52, Set: 16:55, Transit: 12:24. Moon - Rise: 19:45, Set: 10:08. Civil Dark: 17:27 - 07:19. Nautical Dark: 18:03 - 06:43. Astro Dark: 18:38 - 06:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
98
98
98
98
97
97
94
93
93
94
98
98
99
100
99

Low Clouds (% Sky Obscured)

99
99
97
95
92
81
69
66
75
82
83
86
88
84
83
78
76
81
86
91
97
98
100
98

Medium Clouds (% Sky Obscured)

75
65
48
31
18
57
80
99
94
89
84
62
40
16
11
6
1
1
0
0
0
0
0
13

High Clouds (% Sky Obscured)

10
23
50
37
30
37
67
100
79
59
36
18
6
0
1
2
3
28
52
77
81
82
75
75

ISS Passover

Visibility (miles)

1
1
2
2
3
3
4
4
4
6
8
9
9
9
9
9
9
9
7
5
2
2
2
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

37
40
33
25
13
13
14
14
16
19
24
21
20
21
21
20
19
18
16
13
13
13
14
17

Precipitation Amount (mm)

0
0.1
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
4
3
3
3
3
3
3
2
2
2
2
2
2
3
3
4
4
4
4
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
92
92
90
90
90
90
90
88
88
90
90
88
88
90
90
89
90
91
92
92
92
91

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1018
1017
1017
1016
1016
1016
1016

Ozone (du)

348
348
348
348
349
350
352
354
355
354
353
351
350
349
348
346
343
341
340
338
337
337
337
337

Tuesday 6

Waning Gibbous 81%

21:00

10:29

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: 16:56, Transit: 12:24. Moon - Rise: 21:00, Set: 10:29. Civil Dark: 17:28 - 07:19. Nautical Dark: 18:04 - 06:43. Astro Dark: 18:39 - 06:08

Total Clouds (% Sky Obscured)

98
97
92
89
83
85
90
93
93
94
94
96
97
98
98
98
100
100
100
100

Low Clouds (% Sky Obscured)

97
96
89
84
78
82
85
90
84
78
73
75
78
80
83
85
87
92
96
100

Medium Clouds (% Sky Obscured)

36
59
79
89
83
85
86
85
87
84
80
79
80
82
83
86
89
90
90
90

High Clouds (% Sky Obscured)

84
78
84
80
83
74
56
32
32
52
61
79
74
80
91
87
77
74
84
93

ISS Passover

Visibility (miles)

3
4
5
6
6
6
5
3
2
1
1
0
0
0
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

Precipitation Type

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

Precipitation Probability (%)

19
22
21
16
12
10
13
13
57
82
95
95
90
74
67
61
49
45
43
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.5
0.8
0.7
0.6
0.3
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
94
96
94
96
94
96
96
96
96
96
98
98
100
100
100
100
100
100
100

Pressure (mb)

1016
1016
1016
1016
1015
1015
1014
1013
1013
1012
1011
1010
1010
1010
1010
1010
1010
1010
1010
1009

Ozone (du)

340
343
345
347
349
351
352
352
353
354
355
357
357
357
357
356
355
353
353
352

Forecast for Newmarket, Canada (44.06,-79.46)

Generated: 31/12/25 17:55:47. Forecast: 31/12/25 to 06/01/26. Timezone: UTC-5.00