Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 27

Waxing Gibbous 90%

17:29

03:18

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

Sun - Rise: 05:34, Set: 20:48, Transit: 13:11. Moon - Rise: 17:29, Set: 03:18. Civil Dark: 21:24 - 04:59. Nautical Dark: 22:10 - 04:12. Astro Dark: 23:06 - 03:16

Total Clouds (% Sky Obscured)

38
52
63
99
100
100
100
100
99
99
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
52
63
86
89
87
87
86
87
91
97
97
98
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

38
52
63
87
100
99
97
99
92
46
74
86
39
32
29
42
64
54
54
46
37
3
18
30

High Clouds (% Sky Obscured)

38
6
6
2
0
0
0
0
0
2
5
80
79
100
100
100
100
100
100
100
40
14
55
55

ISS Passover

Visibility (miles)

9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
7
2
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
45
65
57
56
54
43
37
24
21
28
37
17
24
10
33
36
34
49
37
23
17
9
10

Precipitation Amount (mm)

0
0
0.3
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
7
10
10
9
9
10
8
11
12
11
10
10
11
11
10
10
9
9
10
9
9
9

Chance of Frost

Temperature (°C)

8
9
9
8
7
7
7
7
8
8
9
9
9
9
10
9
9
8
8
7
7
7
7
7

Feels Like (°C)

6
7
6
4
4
4
4
4
5
5
5
5
5
6
6
5
5
5
4
4
4
4
4
4

Dew Point (°C)

6
6
7
7
7
7
6
7
7
7
8
8
8
8
8
7
8
8
7
7
7
7
7
7

Relative Humidity (%)

85
82
88
96
94
96
94
96
94
91
91
91
95
93
90
91
95
96
96
98
98
98
98
96

Pressure (mb)

1013
1013
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008

Ozone (du)

363
365
365
367
368
367
367
367
367
363
361
359
359
360
358
359
358
358
357
359
360
359
359
358

Thursday 28

Waxing Gibbous 95%

18:36

03:39

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:33, Set: 20:49, Transit: 13:11. Moon - Rise: 18:36, Set: 03:39. Civil Dark: 21:25 - 04:58. Nautical Dark: 22:11 - 04:11. Astro Dark: 23:08 - 03:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
93
93
96

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
89
88
92

Medium Clouds (% Sky Obscured)

38
37
32
37
32
36
38
42
35
48
47
38
27
36
67
63
53
51
46
39
36
33
27
32

High Clouds (% Sky Obscured)

70
70
75
5
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
0
0
0
0
0
7
9
9
9
9
9
9
9
9
9
9
5
1
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
14
12
11
16
33
52
60
68
57
42
36
35
35
33
25
37
25
22
29
20
24
29
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
7
7
7
8
8
8
8
8
8
7
8
7
7
6
6
5
5
5

Feels Like (°C)

4
5
5
5
5
5
5
5
6
6
6
6
6
6
5
4
5
4
4
2
1
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
98
98
96
98
98
98
98
96
96
95
95
94
96
95
93
96
96
94
96
98
96

Pressure (mb)

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

Ozone (du)

360
361
366
369
367
365
368
373
378
388
400
403
403
406
405
403
402
403
404
406
408
409
411
412

Friday 29

Waxing Gibbous 98%

19:42

04:02

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:33, Set: 20:50, Transit: 13:11. Moon - Rise: 19:42, Set: 04:02. Civil Dark: 21:26 - 04:57. Nautical Dark: 22:12 - 04:11. Astro Dark: 23:10 - 03:13

Total Clouds (% Sky Obscured)

96
95
93
93
94
95
95
96
97
99
97
99
100
99
67
93
65
62
85
92
95
83
100
100

Low Clouds (% Sky Obscured)

94
93
90
92
93
95
92
92
94
99
97
98
100
98
55
87
53
50
80
86
88
61
87
90

Medium Clouds (% Sky Obscured)

40
70
53
44
46
54
57
65
71
55
55
40
36
37
37
46
45
55
41
39
39
49
52
59

High Clouds (% Sky Obscured)

2
3
3
2
2
1
1
0
0
1
1
6
6
2
1
1
0
18
0
0
33
67
100
100

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
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 (%)

29
32
22
23
29
17
28
19
18
15
17
25
17
34
33
22
18
20
26
21
12
12
13
11

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
11
11
11
10
10
9
10
11
11
11
12
10
11
12
11
12
10
9
9
8
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
1
1
1
2
3
3
4
4
5
5
6
6
8
6
6
6
4
2
2
3
2

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
98
96
96
98
96
91
90
84
80
82
76
57
52
53
63
73
76
79
89
82

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1008
1009
1010
1011
1011
1011

Ozone (du)

409
405
398
392
392
394
396
400
405
407
407
406
404
404
403
402
402
403
402
402
404
407
405
403

Saturday 30

Waxing Gibbous 100%

20:47

04:31

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:32, Set: 20:51, Transit: 13:11. Moon - Rise: 20:47, Set: 04:31. Civil Dark: 21:27 - 04:56. Nautical Dark: 22:13 - 04:10. Astro Dark: 23:11 - 03:12

Total Clouds (% Sky Obscured)

100
98
99
98
97
90
97
100
100
94
100
99
100
100
100
99
99
98
96
95
97
99
100
100

Low Clouds (% Sky Obscured)

94
94
90
85
77
62
45
56
65
90
97
97
97
96
96
95
80
90
86
86
95
98
98
74

Medium Clouds (% Sky Obscured)

58
65
58
60
51
41
53
49
57
37
41
38
36
32
43
41
58
65
65
80
82
73
93
97

High Clouds (% Sky Obscured)

100
95
68
40
12
41
71
100
88
77
65
77
88
100
67
33
0
0
0
0
33
67
96
98

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 (%)

8
2
1
3
1
0
0
0
0
2
1
12
10
8
8
8
9
15
8
2
3
3
1
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
86
88
83
79
80
80
74
67
61
58
59
63
65
67
67
64
68
75
82
84
85
85
85

Pressure (mb)

1012
1012
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

403
402
399
398
398
397
398
398
399
401
403
403
403
401
401
403
405
407
407
408
409
411
412
411

Sunday 31

Full Moon 100%

21:47

05:07

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
20 Bad
21 OK
22 Good
23 Good
00 Good

Sun - Rise: 05:32, Set: 20:52, Transit: 13:12. Moon - Rise: 21:47, Set: 05:07. Civil Dark: 21:28 - 04:56. Nautical Dark: 22:14 - 04:09. Astro Dark: 23:13 - 03:10

Total Clouds (% Sky Obscured)

93
59
47
50
76
88
83
95
94
91
90
89
91
92
100
100
100
100
88
82
38
16
3
0

Low Clouds (% Sky Obscured)

51
28
24
30
31
47
60
77
85
82
87
80
75
65
95
91
87
71
44
39
26
13
0
0

Medium Clouds (% Sky Obscured)

80
51
36
32
31
30
39
39
28
47
69
86
89
60
63
75
89
87
80
75
38
16
3
0

High Clouds (% Sky Obscured)

93
59
47
50
76
56
28
2
4
23
25
35
40
35
0
5
5
4
3
3
2
2
1
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 (%)

1
0
0
0
0
1
2
1
1
7
22
24
23
8
15
15
15
12
9
1
2
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
7
7
8
7
8
9
9
9
10
9
9
8
8
11
11
11
10
9
7
6
5
4

Chance of Frost

Temperature (°C)

5
5
4
3
3
3
5
6
8
9
10
11
11
11
12
11
11
11
10
9
8
7
6
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
96
98
96
96
96
91
81
75
68
66
71
75
77
76
77
76
76
74
74
74
81
88
98

Pressure (mb)

1015
1014
1014
1014
1013
1014
1014
1014
1014
1013
1013
1012
1012
1012
1012
1011
1011
1011
1011
1012
1012
1013
1014
1014

Ozone (du)

410
409
409
409
410
412
412
413
412
411
411
411
410
411
411
411
412
412
413
415
416
415
414
413

Monday 1

Waning Gibbous 99%

22:39

05:51

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

Sun - Rise: 05:31, Set: 20:53, Transit: 13:12. Moon - Rise: 22:39, Set: 05:51. Civil Dark: 21:28 - 04:55. Nautical Dark: 22:16 - 04:08. Astro Dark: 23:15 - 03:09

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
2
2
2
1
0
4
7
38
52
55
56
53
50
49
41
39
33
45

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
1
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
4
7
38
41
34
29
35
35
40
36
32
30
31

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
30

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 (%)

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 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)

4
4
4
4
4
4
4
5
5
5
5
5
6
8
11
10
10
9
8
6
4
3
2
3

Chance of Frost

Temperature (°C)

4
3
3
3
3
2
5
8
11
12
14
16
17
18
19
18
17
17
15
13
11
11
10
9

Feels Like (°C)

3
3
2
1
1
1
1
1
0
12
11
12
13
14
15
18
17
16
16
16
15
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
98
98
96
76
62
49
42
35
30
32
33
34
39
44
50
57
65
75
80
87
93

Pressure (mb)

1014
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1016
1016
1017
1017
1017
1018
1018
1019
1019
1020
1021

Ozone (du)

413
412
412
413
413
414
414
414
414
414
415
415
415
414
414
413
413
412
412
413
413
413
413
413

Tuesday 2

Waning Gibbous 97%

23:23

06:44

Sun - Rise: 05:31, Set: 20:53, Transit: 13:12. Moon - Rise: 23:23, Set: 06:44. Civil Dark: 21:29 - 04:54. Nautical Dark: 22:17 - 04:07. Astro Dark: 23:16 - 03:08

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 27/05/26 01:13:30. Forecast: 27/05/26 to 02/06/26. Timezone: UTC-3.00