Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 4

Waning Gibbous 87%

20:52

09:04

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

Sun - Rise: 07:27, Set: 17:29, Transit: 12:28. Moon - Rise: 20:52, Set: 09:04. Civil Dark: 18:00 - 06:56. Nautical Dark: 18:34 - 06:21. Astro Dark: 19:08 - 05:47

Total Clouds (% Sky Obscured)

100
100
100
94
63
58
36
44
58
69
72
69
75
87
100
100
100
80
65
75
93
96
89
61

Low Clouds (% Sky Obscured)

98
79
75
85
62
54
36
44
58
69
72
65
72
84
84
60
62
68
65
75
93
96
78
44

Medium Clouds (% Sky Obscured)

44
77
38
13
0
0
0
0
0
0
0
14
72
73
99
100
100
76
57
52
47
59
34
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
2
17
59
45
36
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
0
2
7
5
6
7
3
3
2
1
1
1
1
1
1
2
6
1
3
3
1
6
9

Fog (%)

0
0
0
0
0
0
0
0
2
9
10
9
8
2
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

67
70
73
7
2
0
0
0
1
4
1
2
2
13
5
15
16
16
22
16
18
15
5
2

Precipitation Amount (mm)

0.3
0.4
0.7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-5
-6
-8
-7
-8
-8
-9
-10
-11
-11
-10
-9
-7
-6
-5
-5
-5
-5
-5
-7
-7
-10

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
96
98
96
94
94
94
96
96
98
96
94
92
89
84
83
86
81
83
89
92
92

Pressure (mb)

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

Ozone (du)

436
434
434
434
435
432
423
416
415
404
387
398
409
423
432
447
446
429
419
423
416
414
413
418

Thursday 5

Waning Gibbous 79%

22:01

09:21

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

Sun - Rise: 07:25, Set: 17:30, Transit: 12:28. Moon - Rise: 22:01, Set: 09:21. Civil Dark: 18:01 - 06:55. Nautical Dark: 18:36 - 06:20. Astro Dark: 19:10 - 05:46

Total Clouds (% Sky Obscured)

50
53
57
57
44
33
27
19
8
26
33
26
20
9
55
12
46
64
97
100
100
100
90
100

Low Clouds (% Sky Obscured)

40
43
47
54
38
29
27
19
8
26
33
26
20
8
4
3
7
54
80
100
82
40
47
64

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
57
65
50
50
45

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
6
4
10
3
9
46
12
46
50
24
100
95
100
26
80

ISS Passover

Visibility (miles)

6
6
5
6
7
7
5
6
9
5
3
3
3
9
9
9
9
9
9
9
9
9
9
7

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

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)

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

Chance of Frost

Temperature (°C)

-8
-8
-8
-9
-9
-10
-11
-12
-12
-13
-14
-15
-15
-12
-10
-8
-7
-5
-4
-4
-4
-5
-6
-7

Feels Like (°C)

-10
-11
-11
-12
-12
-12
-13
-14
-15
-16
-17
-18
-18
-15
-13
-12
-9
-8
-8
-8
-9
-9
-10
-11

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
92
90
92
90
90
88
88
88
88
88
86
83
78
77
76
75
75
81
85
87
92

Pressure (mb)

1011
1011
1011
1011
1011
1011
1012
1011
1011
1011
1011
1011
1011
1010
1010
1009
1008
1006
1005
1005
1004
1003
1003
1003

Ozone (du)

424
413
408
409
408
406
408
410
411
415
416
415
413
414
414
413
412
408
410
413
411
408
406
408

Friday 6

Waning Gibbous 70%

23:08

09:40

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
19 Bad

Sun - Rise: 07:24, Set: 17:32, Transit: 12:28. Moon - Rise: 23:08, Set: 09:40. Civil Dark: 18:02 - 06:54. Nautical Dark: 18:37 - 06:19. Astro Dark: 19:11 - 05:45

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
70
65
71
56
68
66
63
63
64
70
67
45
43
51
65
73
91
97
98
95
96
94
92

Medium Clouds (% Sky Obscured)

43
13
54
99
86
100
100
100
100
100
100
100
98
96
98
93
89
92
76
50
25
50
78
100

High Clouds (% Sky Obscured)

41
88
70
100
100
51
66
15
15
20
15
10
15
15
15
10
5
5
18
35
53
39
26
15

ISS Passover

Visibility (miles)

3
3
3
3
5
3
3
3
3
3
3
3
6
9
9
9
9
9
9
8
9
9
2
0

Fog (%)

0
0
0
0
0
1
2
2
1
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
1
1
2
2
3
2
2
4
2
2
4
2
2
4
1
4
6
7
22
14
13
22
23

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)

5
5
4
4
4
4
4
4
4
3
3
3
3
3
4
4
4
4
4
4
3
2
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-13
-14
-14
-13
-13
-13
-13
-12
-12
-13
-13
-12
-10
-8
-7
-6
-5
-5
-5
-5
-6
-7
-7

Dew Point (°C)

-9
-10
-11
-11
-10
-10
-10
-10
-10
-10
-10
-10
-10
-8
-7
-6
-5
-5
-6
-6
-5
-4
-5
-6

Relative Humidity (%)

94
92
90
90
90
92
92
90
92
90
92
90
92
90
87
85
82
79
76
75
79
91
94
94

Pressure (mb)

1003
1003
1003
1003
1002
1002
1002
1001
1001
1001
1002
1002
1002
1002
1002
1002
1001
1001
1001
1001
1001
1001
1002
1002

Ozone (du)

408
413
413
401
407
413
419
432
441
443
440
439
444
445
453
456
457
454
454
454
451
451
453
446

Saturday 7

Waning Gibbous 61%

00:15

10:01

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
19 Bad

Sun - Rise: 07:23, Set: 17:33, Transit: 12:28. Moon - Rise: 00:15, Set: 10:01. Civil Dark: 18:04 - 06:52. Nautical Dark: 18:38 - 06:18. Astro Dark: 19:12 - 05:44

Total Clouds (% Sky Obscured)

90
81
75
73
71
61
93
97
100
98
97
94
97
98
99
99
100
100
100
100
100
97
100
100

Low Clouds (% Sky Obscured)

83
78
45
58
53
55
62
91
93
77
91
72
89
82
87
94
94
97
99
100
99
93
95
93

Medium Clouds (% Sky Obscured)

80
57
40
40
35
2
53
77
100
85
67
50
66
81
93
95
98
100
100
100
76
83
38
39

High Clouds (% Sky Obscured)

10
8
4
0
0
0
24
47
71
50
30
9
8
6
4
36
68
100
100
100
95
95
100
95

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

22
18
7
13
9
3
9
10
11
11
18
14
15
14
12
16
21
23
27
32
31
26
17
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
96
96
94
94
92
92
92
92
90
90
89
87
87
87
82
82
84
84
85
85
85
87

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1004
1005
1005
1005
1005
1005
1005
1005
1006
1006
1007
1007

Ozone (du)

450
451
452
451
456
464
471
487
494
489
479
478
468
463
466
473
477
484
491
478
485
486
493
492

Sunday 8

Waning Gibbous 51%

01:22

10:26

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
19 Bad

Sun - Rise: 07:21, Set: 17:35, Transit: 12:28. Moon - Rise: 01:22, Set: 10:26. Civil Dark: 18:05 - 06:51. Nautical Dark: 18:39 - 06:17. Astro Dark: 19:13 - 05:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
88
59
53
70
78
87
95
94
93
93
95
96
93
89
84
78

Low Clouds (% Sky Obscured)

92
87
81
83
89
96
97
93
83
51
40
55
65
80
92
90
89
87
85
85
86
80
77
67

Medium Clouds (% Sky Obscured)

30
30
30
30
35
35
35
35
35
34
33
32
31
34
32
38
40
31
28
23
16
15
15
14

High Clouds (% Sky Obscured)

95
95
95
63
32
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

13
15
25
17
22
20
28
32
34
32
32
34
59
47
35
28
25
22
20
18
17
15
11
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-14
-15
-15
-16
-17
-18
-18
-19
-19
-19
-18
-17
-18
-17
-18
-17
-17
-17
-17
-15
-14
-15
-15
-15

Dew Point (°C)

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

Relative Humidity (%)

87
83
83
83
81
79
78
78
76
76
74
74
76
73
70
68
68
69
69
71
72
74
75
75

Pressure (mb)

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

Ozone (du)

485
483
484
485
486
485
485
483
480
477
478
485
485
486
487
488
489
491
492
494
496
498
500
502

Monday 9

Third Quarter 42%

02:28

10:58

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

Sun - Rise: 07:20, Set: 17:36, Transit: 12:28. Moon - Rise: 02:28, Set: 10:58. Civil Dark: 18:06 - 06:50. Nautical Dark: 18:41 - 06:15. Astro Dark: 19:15 - 05:41

Total Clouds (% Sky Obscured)

64
52
43
43
47
50
67
84
100
96
93
91
85
81
78
61
43
25
29
32
32
39
51
63

Low Clouds (% Sky Obscured)

52
40
32
24
17
14
24
38
72
71
68
78
70
66
63
51
39
25
29
32
32
39
51
61

Medium Clouds (% Sky Obscured)

16
16
15
19
24
24
26
45
60
57
52
44
33
26
14
10
5
0
0
0
0
17
32
49

High Clouds (% Sky Obscured)

0
0
0
0
0
0
3
5
7
5
3
0
0
0
0
1
2
2
1
1
0
0
0
0

ISS Passover

Visibility (miles)

3
5
7
9
8
6
4
3
2
1
2
2
3
5
7
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 (%)

6
4
1
2
2
0
1
4
6
7
3
2
3
4
1
3
2
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-17
-17
-17
-17
-18
-17
-19
-19
-19
-19
-19
-20
-19
-18
-18
-18
-17
-17
-11
-11
-12
-12
-12

Dew Point (°C)

-15
-15
-16
-16
-17
-17
-17
-17
-17
-17
-17
-17
-17
-15
-14
-12
-12
-10
-9
-10
-10
-10
-11
-11

Relative Humidity (%)

76
76
75
74
74
74
76
77
78
78
78
78
76
76
75
75
74
76
76
76
73
73
73
74

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1005
1005
1006
1006
1006
1006

Ozone (du)

504
504
503
503
500
497
495
491
487
483
484
486
487
485
482
480
467
454
441
435
429
422
413
404

Tuesday 10

Waning Crescent 32%

03:31

11:37

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

Sun - Rise: 07:18, Set: 17:38, Transit: 12:28. Moon - Rise: 03:31, Set: 11:37. Civil Dark: 18:08 - 06:48. Nautical Dark: 18:42 - 06:14. Astro Dark: 19:16 - 05:40

Total Clouds (% Sky Obscured)

69
73
76
84
85
90
94
97
100
100
99
98
98
99
99
99
99
100

Low Clouds (% Sky Obscured)

50
34
27
35
43
68
83
92
100
97
93
89
89
87
86
80
75
70

Medium Clouds (% Sky Obscured)

46
41
35
40
36
49
55
61
68
78
87
97
86
76
69
77
84
89

High Clouds (% Sky Obscured)

0
0
2
33
64
90
94
97
100
100
99
98
98
99
96
77
71
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
4
1
4
7
9
9
9

Fog (%)

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

Precipitation Probability (%)

3
3
1
2
2
1
3
3
2
8
12
15
15
12
5
6
4
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
75
75
77
77
79
77
79
79
79
80
84
85
81
75
71
71
72

Pressure (mb)

1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1003

Ozone (du)

395
388
380
372
369
365
361
360
358
357
357
356
356
357
357
358
360
362

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

Generated: 04/02/26 20:17:37. Forecast: 04/02/26 to 10/02/26. Timezone: UTC-4.00