Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Crescent 13%

10:30

20:16

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: 07:50, Set: 16:44, Transit: 12:17. Moon - Rise: 10:30, Set: 20:16. Civil Dark: 17:17 - 07:17. Nautical Dark: 17:53 - 06:41. Astro Dark: 18:28 - 06:06

Total Clouds (% Sky Obscured)

70
77
82
85
99
97
98
100
99
94
95
77
76
68
75
100
97
98
91
92
81
81
61
48

Low Clouds (% Sky Obscured)

70
77
82
85
90
88
89
99
95
85
86
69
56
68
68
100
94
96
84
86
81
81
61
48

Medium Clouds (% Sky Obscured)

70
77
82
85
94
89
85
88
62
23
23
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

16
8
6
27
3
41
12
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
4
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
2
31
48
0
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

31
4
0
87
70
66
37
19
9
2
0
0
0
0
0
5
5
4
1
2
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.6
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
5
6
9
9
8
7
6
5
5
5
5
6
6
8
10
13
17
16
18
17
16
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
100
98
100
100
100
98
93
91
89
88
83
77
76
75
74
78
80
75

Pressure (mb)

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

Ozone (du)

291
291
294
291
295
298
301
305
305
305
306
306
309
305
304
306
309
308
308
308
311
313
312
312

Wednesday 24

Waxing Crescent 21%

10:54

21:26

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: 07:51, Set: 16:44, Transit: 12:17. Moon - Rise: 10:54, Set: 21:26. Civil Dark: 17:17 - 07:18. Nautical Dark: 17:54 - 06:41. Astro Dark: 18:29 - 06:06

Total Clouds (% Sky Obscured)

44
55
74
73
69
100
96
89
84
95
92
92
96
97
100
100
100
96
96
94
100
88
66
85

Low Clouds (% Sky Obscured)

44
49
48
46
39
38
25
24
5
19
22
21
53
70
73
80
82
74
69
52
48
11
5
30

Medium Clouds (% Sky Obscured)

0
0
0
0
0
51
43
40
84
94
91
87
94
95
87
91
97
91
93
92
100
48
37
28

High Clouds (% Sky Obscured)

2
31
47
57
64
100
77
63
52
50
40
35
30
25
37
90
100
30
26
45
66
43
37
48

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
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
2
0
0
0
0
0
0
0
0
0
2
21
16
5
2
0
0
0
1
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)

17
15
13
11
10
9
8
6
4
2
3
3
3
3
4
6
7
7
7
5
4
4
4
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
79
82
82
84
84
79
79
79
78
79
82
89
87
89
91
92
92
91
89
89
89
91
92

Pressure (mb)

1022
1023
1025
1026
1028
1029
1029
1028
1028
1027
1027
1027
1026
1026
1026
1025
1024
1023
1022
1021
1020
1019
1018
1018

Ozone (du)

311
312
314
318
320
322
320
319
318
316
313
309
308
310
313
316
318
318
316
315
317
319
319
318

Thursday 25

Waxing Crescent 30%

11:14

22:36

05 Bad
06 OK
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: 07:51, Set: 16:45, Transit: 12:18. Moon - Rise: 11:14, Set: 22:36. Civil Dark: 17:18 - 07:18. Nautical Dark: 17:54 - 06:42. Astro Dark: 18:30 - 06:06

Total Clouds (% Sky Obscured)

72
41
51
89
97
63
87
100
100
100
100
100
80
80
97
87
98
95
84
97
98
99
100
100

Low Clouds (% Sky Obscured)

59
31
51
59
61
58
82
58
68
37
31
5
18
20
4
3
2
4
3
4
18
23
92
99

Medium Clouds (% Sky Obscured)

47
0
0
20
5
5
4
64
86
82
51
28
38
80
94
84
81
78
74
64
84
99
96
100

High Clouds (% Sky Obscured)

10
5
5
61
72
9
73
100
63
100
100
100
80
80
84
36
90
57
17
66
69
83
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
3
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
17
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19

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)

2
3
4
6
6
9
11
12
12
12
11
10
9
9
8
9
8
7
7
7
7
7
7
8

Chance of Frost

Temperature (°C)

-4
-3
-4
-3
-2
-1
0
-1
-2
-3
-4
-5
-6
-7
-8
-8
-9
-9
-10
-11
-11
-11
-11
-11

Feels Like (°C)

-6
-6
-6
-6
-6
-6
-5
-7
-9
-9
-11
-12
-12
-12
-12
-14
-14
-15
-15
-15
-16
-16
-15
-16

Dew Point (°C)

-5
-4
-5
-4
-3
-2
-2
-3
-4
-6
-7
-8
-10
-11
-11
-12
-13
-13
-14
-14
-15
-15
-15
-14

Relative Humidity (%)

92
94
92
91
91
89
87
87
84
81
81
79
77
77
75
75
75
75
71
73
72
72
73
73

Pressure (mb)

1017
1017
1017
1017
1018
1018
1019
1019
1020
1021
1022
1023
1025
1026
1026
1027
1026
1027
1027
1027
1027
1026
1026
1025

Ozone (du)

319
320
323
324
325
325
321
321
317
311
309
308
308
308
309
309
309
306
301
296
295
295
294
293

Friday 26

Waxing Crescent 41%

11:33

23:46

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: 07:51, Set: 16:46, Transit: 12:18. Moon - Rise: 11:33, Set: 23:46. Civil Dark: 17:19 - 07:18. Nautical Dark: 17:55 - 06:42. Astro Dark: 18:30 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
97
97
97
90
93
91
78
75
76

Low Clouds (% Sky Obscured)

100
100
100
99
99
99
99
100
100
100
100
99
99
98
95
94
93
91
85
88
87
78
75
76

Medium Clouds (% Sky Obscured)

100
100
100
100
100
98
95
92
94
97
100
91
91
54
49
41
43
34
26
15
9
4
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
97
73
28
2
1
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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
Snow
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

40
53
57
60
65
73
83
85
90
95
95
82
84
67
51
40
25
23
16
15
13
12
7
6

Precipitation Amount (mm)

0.1
0.3
0.2
0.2
0.2
0.3
0.4
0.4
0.5
0.6
0.9
0.4
0.5
0.2
0.2
0.1
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-16
-16
-17
-17
-17
-16
-16
-16
-16
-15
-15
-15
-16
-17
-16
-16
-16
-15
-16
-16
-16
-16
-15

Dew Point (°C)

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

Relative Humidity (%)

75
75
78
83
81
85
87
87
88
88
88
88
90
90
88
88
88
88
88
90
90
88
88
90

Pressure (mb)

1025
1024
1024
1022
1021
1020
1018
1016
1014
1014
1013
1013
1013
1013
1014
1014
1014
1015
1015
1016
1016
1017
1018
1019

Ozone (du)

292
293
295
295
295
299
300
303
303
307
309
313
318
319
324
329
324
324
325
326
327
324
322
322

Saturday 27

First Quarter 52%

11:52

00:59

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: 07:52, Set: 16:46, Transit: 12:19. Moon - Rise: 11:52, Set: 00:59. Civil Dark: 17:19 - 07:19. Nautical Dark: 17:56 - 06:42. Astro Dark: 18:31 - 06:07

Total Clouds (% Sky Obscured)

80
88
86
84
83
87
91
97
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

80
80
79
78
77
76
76
77
86
94
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Medium Clouds (% Sky Obscured)

2
54
55
50
45
50
55
60
41
36
75
13
69
58
65
75
82
90
91
100
96
89
83
85

High Clouds (% Sky Obscured)

1
1
2
14
17
60
64
94
96
98
100
87
65
64
60
81
100
100
100
100
99
98
93
72

ISS Passover

Visibility (miles)

3
4
4
1
1
1
1
2
2
2
1
1
1
2
9
6
4
1
1
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
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

8
2
4
4
11
5
6
10
1
6
10
6
7
8
14
13
12
11
10
11
36
51
62
68

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
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-12
-12
-12
-11
-10
-9
-7
-6
-5
-5
-5
-5
-4
-4
-3
-3
-3
-3
-3
-2
-2
-2
-2
-1

Feels Like (°C)

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

Dew Point (°C)

-13
-13
-13
-12
-11
-10
-9
-8
-6
-6
-6
-6
-5
-4
-4
-4
-3
-3
-3
-3
-2
-2
-2
-1

Relative Humidity (%)

90
92
90
92
92
92
90
90
92
94
96
94
96
96
96
96
98
98
96
96
98
98
100
100

Pressure (mb)

1019
1020
1020
1021
1021
1022
1021
1021
1020
1020
1020
1019
1019
1019
1018
1017
1016
1015
1014
1013
1012
1011
1009
1008

Ozone (du)

321
323
325
328
326
328
330
329
329
325
324
326
328
328
329
329
329
330
330
331
331
334
336
339

Sunday 28

Waxing Gibbous 63%

12:13

02:15

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
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:52, Set: 16:47, Transit: 12:19. Moon - Rise: 12:13, Set: 02:15. Civil Dark: 17:20 - 07:19. Nautical Dark: 17:57 - 06:42. Astro Dark: 18:32 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
93
90
93
97
100
100

Low Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
98
98
97
98
98
98
96
95
94
90
86
82
79
77
75
83

Medium Clouds (% Sky Obscured)

88
91
77
66
52
26
12
0
17
40
61
80
88
89
87
88
80
66
51
39
58
76
95
97

High Clouds (% Sky Obscured)

57
10
0
50
70
97
100
100
100
100
97
78
53
27
5
1
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
3
6
9
9
9
9
9
9
9
8
7
6
5
4
3
5
7
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

Frozen rai
Frozen rai
Frozen rai
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
None
None
None
None
None

Precipitation Probability (%)

73
81
79
71
57
43
32
13
16
18
19
24
23
21
38
46
48
48
45
39
38
37
31
38

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
10
10
10
10
12
11
10
10
10
9
9
9
8
9
10
11
11
14
17
19
19
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-6
-5
-4
-3
-2
-2
-1
-1
-3
-3
-4
-4
-3
-4
-10
-10
-10
-11
-12
-12
-15
-15
-15

Dew Point (°C)

-1
-1
0
1
1
2
1
1
0
-1
-3
-4
-4
-5
-6
-7
-8
-8
-9
-10
-10
-11
-12
-12

Relative Humidity (%)

100
98
100
100
100
100
94
91
88
84
80
77
77
77
76
76
76
76
76
76
76
74
72
72

Pressure (mb)

1006
1005
1004
1004
1003
1003
1002
1001
1001
1000
1000
1000
1000
1000
999
999
998
997
997
997
997
998
998
999

Ozone (du)

342
346
349
352
355
358
358
358
358
364
370
376
391
405
420
429
438
447
444
441
438
443
448
452

Monday 29

Waxing Gibbous 74%

12:37

03:36

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

Sun - Rise: 07:52, Set: 16:48, Transit: 12:20. Moon - Rise: 12:37, Set: 03:36. Civil Dark: 17:21 - 07:19. Nautical Dark: 17:57 - 06:43. Astro Dark: 18:32 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
96
93
90
92
94
97
98
98
98
96
91
86
90
93
98

Low Clouds (% Sky Obscured)

89
96
89
85
76
75
73
71
71
73
74
63
52
43
45
46
45
49
44
39

Medium Clouds (% Sky Obscured)

97
100
96
91
87
70
52
35
53
70
86
84
83
85
67
48
29
34
42
45

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
6
16
20
53
59
75
71
52
26
7
3
1

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

42
36
52
59
62
58
53
43
40
38
34
38
40
31
37
39
34
35
36
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

20
20
20
19
19
19
19
19
19
19
19
19
19
18
17
17
17
17
16
16

Chance of Frost

Temperature (°C)

-8
-8
-8
-8
-9
-9
-9
-8
-8
-8
-9
-9
-9
-9
-9
-8
-8
-7
-7
-7

Feels Like (°C)

-15
-15
-16
-16
-17
-17
-17
-17
-17
-16
-16
-16
-16
-16
-17
-16
-16
-16
-15
-15

Dew Point (°C)

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

Relative Humidity (%)

72
72
72
75
77
80
82
83
85
83
82
80
80
83
85
82
80
79
82
87

Pressure (mb)

999
998
998
999
1001
1002
1002
1002
1003
1004
1005
1006
1006
1007
1008
1008
1009
1009
1010
1010

Ozone (du)

442
432
421
421
420
419
418
417
416
416
416
416
413
409
406
406
406
406
407
408

Forecast for Newmarket, Canada (44.06,-79.46)

Generated: 23/12/25 05:57:26. Forecast: 23/12/25 to 29/12/25. Timezone: UTC-5.00