Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 21

Waxing Crescent 6%

09:55

17:54

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
17 Bad

Sun - Rise: 07:21, Set: 16:39, Transit: 12:00. Moon - Rise: 09:55, Set: 17:54. Civil Dark: 17:11 - 06:49. Nautical Dark: 17:47 - 06:13. Astro Dark: 18:23 - 05:38

Total Clouds (% Sky Obscured)

75
94
95
100
100
81
52
96
100
100
100
100
100
100
100
98
96
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

15
1
0
1
3
3
16
56
100
100
97
87
45
60
53
61
54
35
68
88
83
82
79
80

Medium Clouds (% Sky Obscured)

3
19
48
80
69
6
11
8
16
16
13
41
69
100
98
92
80
83
85
100
99
100
100
100

High Clouds (% Sky Obscured)

75
91
95
100
100
77
30
80
85
100
100
100
100
100
98
51
51
89
100
100
100
100
100
100

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
2
9
11
2
2
7
4
9
10
6
15
8
9
24
23
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
80
81
81
80
83
88
93
94
88
91
94
94
96
94
93
85
77
68
68
73
75
79
82

Pressure (mb)

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

Ozone (du)

298
294
293
292
292
290
290
290
290
286
287
290
291
293
293
290
289
289
287
285
286
288
289
287

Saturday 22

Waxing Crescent 11%

10:45

17:54

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

Sun - Rise: 07:22, Set: 16:39, Transit: 12:00. Moon - Rise: 10:45, Set: 17:54. Civil Dark: 17:11 - 06:50. Nautical Dark: 17:47 - 06:14. Astro Dark: 18:22 - 05:39

Total Clouds (% Sky Obscured)

100
99
44
38
36
36
2
3
6
5
4
4
3
5
35
47
58
58
75
74
94
97
94
91

Low Clouds (% Sky Obscured)

42
10
12
2
0
16
2
3
6
5
4
4
3
5
13
14
12
17
12
16
12
2
0
0

Medium Clouds (% Sky Obscured)

100
99
44
38
36
34
0
0
0
0
0
0
0
0
0
3
24
44
63
59
50
55
81
91

High Clouds (% Sky Obscured)

100
2
0
0
0
0
0
0
0
0
0
0
0
0
0
10
13
10
49
23
85
95
90
80

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 (%)

10
4
4
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
73
80
83
78
77
77
78
83
84
84
84
84
83
77
65
55
49
46
46
45
50
60
66

Pressure (mb)

1009
1009
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1013
1013
1014
1014
1013
1013
1012
1012
1013
1013

Ozone (du)

286
289
293
291
291
294
300
303
299
295
292
290
289
289
289
287
285
285
285
286
287
288
290
292

Sunday 23

Waxing Crescent 18%

11:25

18:52

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
17 Bad

Sun - Rise: 07:24, Set: 16:38, Transit: 12:01. Moon - Rise: 11:25, Set: 18:52. Civil Dark: 17:10 - 06:51. Nautical Dark: 17:46 - 06:15. Astro Dark: 18:22 - 05:40

Total Clouds (% Sky Obscured)

86
94
92
100
100
100
88
100
97
95
97
100
96
96
94
95
96
97
100
99
98
97
95
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
8
7
13
63
84
75
82
95
92
85
84
92
92
91
93

Medium Clouds (% Sky Obscured)

86
94
92
99
100
100
86
100
92
84
91
100
88
92
86
85
86
87
100
95
92
72
82
72

High Clouds (% Sky Obscured)

75
65
65
41
17
0
1
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
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
2
3
2
2
4
9
11
13
16
21
23
18
21
23
22

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
2
3
3
3
3
2
2
2
1
2
2
3
3
3
3
3
4
3
3
4
4
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
69
70
73
74
70
70
71
73
73
75
75
74
77
81
76
68
66
65
64
67
72
77
82

Pressure (mb)

1013
1014
1014
1014
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1010
1010

Ozone (du)

295
299
301
302
303
304
305
307
308
310
311
313
314
319
321
324
326
329
332
332
334
337
339
343

Monday 24

Waxing Crescent 26%

11:57

19:57

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
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 OK
16 Bad
17 Bad

Sun - Rise: 07:25, Set: 16:37, Transit: 12:01. Moon - Rise: 11:57, Set: 19:57. Civil Dark: 17:10 - 06:52. Nautical Dark: 17:46 - 06:16. Astro Dark: 18:21 - 05:41

Total Clouds (% Sky Obscured)

97
100
90
83
77
67
56
41
58
74
52
52
61
33
37
87
81
78
82
83
61
45
99
97

Low Clouds (% Sky Obscured)

93
99
90
83
74
61
48
29
40
69
42
45
53
32
35
82
77
70
69
46
6
5
4
7

Medium Clouds (% Sky Obscured)

35
46
54
39
6
5
4
2
2
0
1
1
0
0
0
0
0
0
0
0
5
9
12
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
29
44
61
45
99
71

ISS Passover

Visibility (miles)

9
9
9
5
0
0
0
9
9
9
9
7
7
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 (%)

21
14
25
28
11
20
18
3
1
1
2
3
1
0
0
0
1
1
7
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
5
6
7
6
8
8
10
8
8
8
8
8
8
8
9
9
11
11
11
11
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
88
89
96
96
94
86
86
83
83
86
87
80
77
74
69
64
61
62
64
67
72
78

Pressure (mb)

1011
1011
1012
1012
1013
1013
1014
1014
1015
1016
1016
1017
1018
1019
1020
1020
1021
1021
1021
1021
1021
1021
1022
1023

Ozone (du)

345
345
345
345
344
344
346
348
351
352
355
350
344
334
326
324
324
328
325
320
321
321
319
316

Tuesday 25

Waxing Crescent 36%

12:24

21:05

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
17 Bad

Sun - Rise: 07:26, Set: 16:37, Transit: 12:01. Moon - Rise: 12:24, Set: 21:05. Civil Dark: 17:09 - 06:54. Nautical Dark: 17:45 - 06:17. Astro Dark: 18:21 - 05:42

Total Clouds (% Sky Obscured)

64
79
94
97
100
99
100
92
87
96
96
97
98
100
100
99
99
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

4
8
9
7
13
15
23
33
43
44
65
60
60
55
67
67
75
83
90
94
95
96
97
95

Medium Clouds (% Sky Obscured)

22
71
83
82
93
78
92
80
78
92
95
96
98
100
99
99
98
96
94
91
78
69
57
56

High Clouds (% Sky Obscured)

38
9
41
71
100
78
56
31
36
54
50
56
49
1
1
0
0
33
67
100
96
91
95
95

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
5
0
0
0
0
0
0
1
2
4
5
7
8
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
Snow
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
2
10
64
92
95
95
91
87
81
81
78
76
70
69
68
74

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.8
0.9
0.6
0.6
0.4
0.6
0.5
0.5
0.4
0.4
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
78
78
78
78
80
83
83
83
91
96
98
100
100
98
98
100
100
98
98
98
98
98

Pressure (mb)

1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1021
1021
1020
1019
1019
1019
1019

Ozone (du)

314
312
311
309
308
307
304
302
298
294
293
292
291
291
293
291
290
289
289
288
288
288
288
287

Wednesday 26

Waxing Crescent 46%

12:46

22:16

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
17 Bad

Sun - Rise: 07:27, Set: 16:36, Transit: 12:02. Moon - Rise: 12:46, Set: 22:16. Civil Dark: 17:09 - 06:55. Nautical Dark: 17:45 - 06:18. Astro Dark: 18:20 - 05:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
94
88
96
97
98
98
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

94
91
94
97
100
100
100
100
100
100
100
87
82
76
85
88
91
83
75
67
69
72
74
68

Medium Clouds (% Sky Obscured)

56
55
64
64
58
57
55
44
29
32
26
19
10
0
3
4
7
32
59
85
87
91
90
91

High Clouds (% Sky Obscured)

95
95
95
95
100
95
95
95
63
30
0
0
0
1
33
66
98
98
98
100
100
100
100
100

ISS Passover

Visibility (miles)

8
6
5
4
3
2
4
7
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

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

Precipitation Probability (%)

81
86
95
95
95
95
87
60
47
34
16
10
7
1
2
3
1
3
4
3
10
11
9
9

Precipitation Amount (mm)

0.5
0.5
0.6
0.8
0.9
0.8
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
5
5
5
5
6
6
6
5
5
5
6
6
6
4
5
5
4
4
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

98
96
98
98
98
98
96
94
93
93
93
91
91
93
93
87
81
75
77
79
81
84
84
86

Pressure (mb)

1018
1018
1018
1017
1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1014
1014
1014
1014
1013
1013
1012
1012
1012
1012

Ozone (du)

289
292
294
294
295
296
295
293
292
291
291
290
290
290
290
290
290
290
288
287
285
285
285
285

Thursday 27

Waxing Crescent 46%

13:06

23:27

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

Sun - Rise: 07:28, Set: 16:36, Transit: 12:02. Moon - Rise: 13:06, Set: 23:27. Civil Dark: 17:08 - 06:56. Nautical Dark: 17:45 - 06:19. Astro Dark: 18:20 - 05:44

Total Clouds (% Sky Obscured)

100
100
88
76
64
63
66
78
67
61
64
77
66
55
64
73
79
77
81
83

Low Clouds (% Sky Obscured)

61
57
61
71
64
63
66
72
50
30
10
7
3
5
23
45
65
58
49
41

Medium Clouds (% Sky Obscured)

90
91
70
55
50
55
66
78
67
61
64
77
66
55
64
48
28
38
52
67

High Clouds (% Sky Obscured)

100
100
73
53
64
63
66
78
67
61
64
77
66
55
64
73
79
55
36
17

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

7
2
9
14
19
47
65
79
82
85
83
71
58
36
53
78
95
95
91
55

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.5
0.5
0.6
0.5
0.3
0.2
0
0
0.4
0.8
1.1
0.7
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
83
82
82
82
85
89
93
93
96
96
96
98
98
98
96
96
90
84

Pressure (mb)

1011
1010
1010
1009
1008
1007
1006
1005
1004
1004
1003
1002
1001
1001
1000
999
999
998
998
998

Ozone (du)

285
285
285
285
285
285
286
287
287
287
287
287
287
288
289
290
291
293
300
307

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

Generated: 21/11/25 18:14:01. Forecast: 21/11/25 to 27/11/25. Timezone: UTC-4.00