Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 21

Waxing Crescent 16%

09:35

20:20

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
17 OK
18 Bad

Sun - Rise: 07:42, Set: 17:10, Transit: 12:26. Moon - Rise: 09:35, Set: 20:20. Civil Dark: 17:41 - 07:10. Nautical Dark: 18:17 - 06:34. Astro Dark: 18:51 - 06:00

Total Clouds (% Sky Obscured)

78
84
85
98
97
99
100
100
98
100
98
100
100
100
100
100
100
100
98
100
100
87
37
61

Low Clouds (% Sky Obscured)

22
23
37
68
75
89
91
91
89
94
88
86
90
95
92
96
97
91
92
93
91
87
25
16

Medium Clouds (% Sky Obscured)

73
62
85
94
89
95
99
98
94
100
96
98
94
97
100
79
51
85
58
62
65
0
0
0

High Clouds (% Sky Obscured)

37
40
2
0
0
3
2
2
4
1
0
41
90
63
68
92
100
100
71
64
61
2
2
39

ISS Passover

Visibility (miles)

9
9
9
9
9
9
2
0
0
0
0
0
0
0
0
3
8
9
4
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
2
3
3
4
16
45
51
61
53
63
75
94
95
61
65
48
43
35
18
25
19
5
4

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.2
0.4
0.3
0.4
0.6
0.8
0.8
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
4
5
9
8
6
6
5
7
7
7
9
11
12
14
16
20
20
15
12
12
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
79
72
70
69
73
81
92
96
96
96
98
98
98
98
93
89
89
93
96
94
89
85
83

Pressure (mb)

1029
1029
1029
1028
1028
1027
1027
1026
1025
1024
1023
1022
1020
1019
1017
1015
1014
1012
1010
1009
1009
1009
1009
1010

Ozone (du)

374
369
369
370
372
366
362
364
367
371
371
372
369
363
360
365
369
367
367
369
388
400
395
387

Thursday 22

Waxing Crescent 25%

09:54

21:31

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

Sun - Rise: 07:41, Set: 17:11, Transit: 12:26. Moon - Rise: 09:54, Set: 21:31. Civil Dark: 17:43 - 07:09. Nautical Dark: 18:18 - 06:34. Astro Dark: 18:53 - 05:59

Total Clouds (% Sky Obscured)

51
41
23
55
24
42
21
81
36
85
63
33
85
85
95
90
77
47
80
61
60
84
96
94

Low Clouds (% Sky Obscured)

17
28
7
10
15
25
3
78
28
85
63
15
85
85
95
90
67
36
80
61
55
82
95
85

Medium Clouds (% Sky Obscured)

0
0
1
2
1
1
16
21
9
7
9
5
27
50
25
0
6
19
0
0
11
34
42
46

High Clouds (% Sky Obscured)

21
4
14
55
5
11
3
2
2
2
5
0
0
0
2
2
2
0
2
4
4
2
2
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
2
9
9
9
9
9
9
9
9
9
9
9
9
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

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 (%)

2
1
1
4
6
5
5
8
10
5
1
2
1
4
5
11
9
4
1
0
9
8
29
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
11
10
9
11
12
7
7
9
7
7
7
6
7
8
10
11
12
12
11
11
9
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
83
84
84
81
70
75
81
77
91
87
81
79
78
68
67
64
57
51
53
59
72
82
84

Pressure (mb)

1010
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012

Ozone (du)

382
380
380
378
381
390
393
402
397
398
411
410
414
412
416
417
416
418
417
412
411
411
408
406

Friday 23

Waxing Crescent 36%

10:13

22:44

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 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:40, Set: 17:12, Transit: 12:26. Moon - Rise: 10:13, Set: 22:44. Civil Dark: 17:44 - 07:08. Nautical Dark: 18:19 - 06:33. Astro Dark: 18:54 - 05:58

Total Clouds (% Sky Obscured)

100
99
87
84
81
100
89
79
98
93
76
28
57
56
62
87
86
83
79
79
79
75
77
79

Low Clouds (% Sky Obscured)

99
87
79
79
70
86
89
79
98
93
76
24
54
53
59
87
86
83
79
79
79
75
77
79

Medium Clouds (% Sky Obscured)

55
51
49
60
63
65
0
0
24
0
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)

0
3
9
9
9
5
6
4
2
0
9
9
9
9
6
6
6
6
6
5
9
7
7
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

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

Precipitation Probability (%)

55
64
34
41
42
35
33
38
43
32
10
7
8
10
10
16
5
6
6
6
5
5
5
14

Precipitation Amount (mm)

0.2
0.2
0
0.1
0
0
0
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-5
-5
-5
-6
-7
-8
-9
-10
-12
-13
-14
-15
-16
-17
-17
-17
-16
-16
-15
-15
-15
-15
-16
-16

Feels Like (°C)

-10
-10
-12
-12
-13
-13
-16
-16
-18
-18
-20
-21
-21
-23
-23
-23
-24
-23
-22
-22
-22
-22
-23
-23

Dew Point (°C)

-7
-7
-9
-13
-11
-12
-13
-15
-16
-16
-20
-22
-22
-23
-22
-22
-22
-22
-21
-20
-20
-20
-20
-20

Relative Humidity (%)

90
84
77
57
71
77
74
70
72
76
58
54
57
60
62
62
61
59
60
61
63
66
67
68

Pressure (mb)

1012
1011
1010
1010
1010
1011
1012
1013
1014
1014
1015
1016
1017
1019
1019
1020
1021
1021
1021
1021
1022
1023
1023
1024

Ozone (du)

408
412
413
397
406
418
419
421
418
416
420
425
426
423
399
384
375
372
366
360
357
359
364
365

Saturday 24

Waxing Crescent 47%

10:34

23:58

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
17 Bad
18 Bad

Sun - Rise: 07:39, Set: 17:14, Transit: 12:26. Moon - Rise: 10:34, Set: 23:58. Civil Dark: 17:45 - 07:07. Nautical Dark: 18:20 - 06:32. Astro Dark: 18:55 - 05:58

Total Clouds (% Sky Obscured)

81
81
83
85
83
81
84
93
95
93
91
93
91
94
96
97
93
84
77
89
95
100
100
100

Low Clouds (% Sky Obscured)

81
81
83
84
80
77
78
84
93
88
90
89
87
87
89
88
83
60
53
76
59
8
8
21

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
13
19
58
90
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
21
41
62
46
30
14
43
71
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
7
3
4
3
3
3
3
3
4
6
6
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 (%)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-23
-23
-23
-23
-23
-23
-24
-24
-24
-24
-24
-24
-24
-24
-23
-23
-22
-21
-20
-19
-19
-19
-19
-19

Dew Point (°C)

-20
-21
-21
-21
-21
-21
-21
-22
-22
-22
-22
-22
-22
-22
-22
-22
-21
-21
-21
-21
-20
-20
-20
-19

Relative Humidity (%)

68
68
67
67
69
70
70
70
69
70
70
70
69
70
68
63
58
56
55
54
56
59
63
65

Pressure (mb)

1025
1026
1026
1027
1027
1028
1028
1029
1029
1029
1030
1030
1031
1031
1032
1032
1032
1031
1030
1030
1030
1030
1030
1030

Ozone (du)

362
362
357
354
357
358
364
367
370
369
371
371
369
368
366
363
360
356
350
341
335
332
332
331

Sunday 25

Waxing Crescent 59%

11:00

01:16

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
17 Bad
18 Bad

Sun - Rise: 07:38, Set: 17:15, Transit: 12:26. Moon - Rise: 11:00, Set: 01:16. Civil Dark: 17:46 - 07:07. Nautical Dark: 18:22 - 06:31. Astro Dark: 18:56 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
96
94
93
92
96
97
96
91
84

Low Clouds (% Sky Obscured)

66
71
69
60
67
82
100
99
98
97
97
97
96
96
93
92
92
92
91
91
91
92
87
83

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
98
95
93
82
70
68
65
61
62
56
51

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
68
60
25
35
40
40
22
12
3
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
18
26
34
51
68
89
95
95
95
95
95
80
76
69
61
52
44
36
33
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.3
0.5
0.7
0.6
0.7
0.9
0.7
0.4
0.4
0.3
0.2
0.2
0.1
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
64
65
66
65
66
68
71
73
72
76
79
81
84
83
83
81
83
85
83
85
85
87
85

Pressure (mb)

1030
1029
1029
1028
1027
1026
1025
1024
1022
1020
1019
1018
1017
1016
1015
1015
1014
1013
1012
1011
1012
1012
1012
1012

Ozone (du)

331
334
334
334
331
328
325
320
313
308
302
298
292
291
296
300
304
308
311
314
321
327
333
342

Monday 26

First Quarter 55%

11:34

02:36

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 OK
08 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:37, Set: 17:16, Transit: 12:27. Moon - Rise: 11:34, Set: 02:36. Civil Dark: 17:48 - 07:06. Nautical Dark: 18:23 - 06:30. Astro Dark: 18:57 - 05:56

Total Clouds (% Sky Obscured)

75
62
51
44
52
64
75
74
74
73
47
39
25
28
47
65
72
79
85
79
71
60
66
72

Low Clouds (% Sky Obscured)

74
58
44
32
45
57
71
74
74
73
47
39
25
28
47
65
71
77
83
79
71
60
66
70

Medium Clouds (% Sky Obscured)

45
40
46
44
52
49
56
71
70
73
47
39
25
25
14
14
8
4
0
0
0
1
7
17

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)

3
4
3
2
1
1
1
1
3
4
6
7
8
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 (%)

19
19
17
11
14
16
17
18
18
15
15
13
5
7
6
2
6
8
9
9
7
2
5
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-17
-16
-17
-17
-17
-18
-18
-17
-17
-17
-17
-18
-18
-19
-17
-17
-17
-16
-17
-15
-15
-15
-15

Dew Point (°C)

-12
-13
-13
-14
-14
-14
-14
-15
-14
-15
-15
-15
-16
-17
-17
-16
-16
-16
-16
-17
-17
-17
-16
-16

Relative Humidity (%)

83
83
81
81
83
83
85
84
84
83
83
81
81
81
73
67
61
57
55
53
56
61
65
69

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1013
1013
1012
1013
1013
1013
1014

Ozone (du)

350
359
362
365
368
370
372
373
377
382
386
392
398
404
405
406
407
408
410
412
412
413
413
416

Tuesday 27

Waxing Gibbous 70%

12:18

03:56

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

Sun - Rise: 07:36, Set: 17:18, Transit: 12:27. Moon - Rise: 12:18, Set: 03:56. Civil Dark: 17:49 - 07:05. Nautical Dark: 18:24 - 06:30. Astro Dark: 18:58 - 05:55

Total Clouds (% Sky Obscured)

74
70
68
66
50
37
25
33
40
43
50
59
62
55
47
42
56
64
75

Low Clouds (% Sky Obscured)

66
64
65
66
50
37
24
33
40
43
50
42
36
43
47
42
56
64
69

Medium Clouds (% Sky Obscured)

25
30
39
49
36
30
3
2
1
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

ISS Passover

Visibility (miles)

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

3
9
10
8
10
8
3
6
5
3
7
9
8
8
5
0
9
13
17

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-16
-17
-17
-17
-17
-17
-17
-15
-16
-16
-16
-17
-17
-15
-15
-15
-15
-14

Dew Point (°C)

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

Relative Humidity (%)

73
76
79
83
86
83
79
76
79
83
86
81
76
72
69
68
65
64
64

Pressure (mb)

1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012

Ozone (du)

418
421
419
417
415
418
420
422
420
418
416
411
406
401
399
398
397
391
385

Forecast for Halifax, Halifax Regional Municipality, Canada (44.65,-63.57)

Generated: 21/01/26 19:10:20. Forecast: 21/01/26 to 27/01/26. Timezone: UTC-4.00