Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waning Crescent 1%

06:50

15:55

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

Sun - Rise: 07:17, Set: 16:42, Transit: 11:59. Moon - Rise: 06:50, Set: 15:55. Civil Dark: 17:14 - 06:45. Nautical Dark: 17:49 - 06:10. Astro Dark: 18:24 - 05:35

Total Clouds (% Sky Obscured)

86
82
73
20
19
17
18
24
39
57
60
31
1
5
33
37
49
59
70
65
43
30
35
12

Low Clouds (% Sky Obscured)

85
73
48
14
15
17
18
24
39
57
60
30
1
5
19
25
30
38
42
45
24
18
19
8

Medium 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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
1
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 (%)

0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
79
78
83
84
84
86
86
84
77
74
84
86
76
68
63
59
58
57
60
66
79
83

Pressure (mb)

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

Ozone (du)

351
347
345
340
333
330
328
330
333
335
340
340
335
331
326
322
319
316
313
310
310
311
308
309

Wednesday 19

Waning Crescent 0%

07:55

16:26

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

Sun - Rise: 07:18, Set: 16:41, Transit: 12:00. Moon - Rise: 07:55, Set: 16:26. Civil Dark: 17:13 - 06:47. Nautical Dark: 17:49 - 06:11. Astro Dark: 18:23 - 05:36

Total Clouds (% Sky Obscured)

25
3
18
17
18
20
26
21
19
20
13
12
5
81
67
94
98
64
37
26
19
24
44
36

Low Clouds (% Sky Obscured)

13
3
12
12
16
17
20
19
14
13
8
6
4
4
4
2
3
14
13
15
13
4
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
54
56
94
96
59
28
6
0
2
4
0

High Clouds (% Sky Obscured)

0
0
0
0
1
0
1
0
0
0
0
3
4
51
60
70
4
0
4
4
7
24
44
36

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
89
91
91
91
92
91
91
89
89
91
89
84
74
64
59
54
52
51
53
67
77
81

Pressure (mb)

1021
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

311
319
319
318
316
318
321
321
323
322
319
321
323
320
318
317
317
315
313
312
312
312
310
308

Thursday 20

New Moon 2%

08:58

17:05

19 OK
20 Good
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: 07:20, Set: 16:40, Transit: 12:00. Moon - Rise: 08:58, Set: 17:05. Civil Dark: 17:12 - 06:48. Nautical Dark: 17:48 - 06:12. Astro Dark: 18:23 - 05:37

Total Clouds (% Sky Obscured)

26
7
43
40
62
90
100
100
100
100
100
90
51
54
67
51
46
56
66
63
71
75
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
4
10
14
13
17
20
24
36
42
39
51
40
39
52

Medium Clouds (% Sky Obscured)

0
2
2
5
2
16
94
99
98
99
95
59
42
54
67
51
46
55
55
52
63
64
65
58

High Clouds (% Sky Obscured)

26
7
43
40
57
86
100
96
99
72
88
77
44
54
23
51
46
56
0
33
67
75
73
46

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
Very Light Rain
None
None
None
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
7
22
44
60
46
53
61
81
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0.3
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
89
88
88
88
87
84
84
86
84
86
87
86
77
72
68
66
65
65
70
79
88
91

Pressure (mb)

1024
1024
1024
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1019
1018
1017
1015
1015
1014
1013
1013

Ozone (du)

308
307
304
302
301
298
296
295
293
293
292
292
293
293
296
299
302
301
301
303
305
303
303
303

Friday 21

Waxing Crescent 6%

09:55

17:54

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: 07:21, 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: 18:22 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
96
93
96
98
100
100
99
98
99
99
100
99
99

Low Clouds (% Sky Obscured)

74
82
82
73
68
48
37
41
88
91
97
94
90
93
97
100
100
99
98
99
99
100
99
99

Medium Clouds (% Sky Obscured)

60
54
58
52
94
92
71
63
84
78
63
35
0
0
20
3
38
45
45
55
55
60
60
65

High Clouds (% Sky Obscured)

23
49
74
100
100
100
100
67
33
0
0
0
0
0
0
0
0
0
0
0
0
5
5
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
2
1
4
4
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

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

Precipitation Probability (%)

95
95
95
95
95
75
35
33
28
25
45
44
46
35
31
30
44
61
68
78
69
66
58
47

Precipitation Amount (mm)

1
1.3
1.3
1.2
0.7
0.3
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
0.4
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1012
1011
1010
1009
1007
1007
1007
1007
1007
1006
1006
1005
1005
1005
1005
1005
1005
1004
1004
1004
1005
1005
1006
1006

Ozone (du)

302
300
302
303
299
294
296
296
297
299
296
298
302
306
306
307
305
302
301
299
298
297
296
290

Saturday 22

Waxing Crescent 11%

10:45

18:52

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

Sun - Rise: 07:22, Set: 16:39, Transit: 12:00. Moon - Rise: 10:45, Set: 18:52. Civil Dark: 17:11 - 06:50. Nautical Dark: 17:47 - 06:14. Astro Dark: 18:22 - 05:39

Total Clouds (% Sky Obscured)

98
97
96
39
34
25
23
24
27
31
39
85
56
59
62
62
53
44
36
28
19
13
17
20

Low Clouds (% Sky Obscured)

98
32
29
36
34
25
23
24
27
30
33
30
33
27
29
26
21
17
15
16
15
13
17
18

Medium Clouds (% Sky Obscured)

65
70
70
0
0
0
0
0
0
0
1
2
14
27
38
50
34
24
20
12
6
1
1
1

High Clouds (% Sky Obscured)

5
5
5
0
0
0
0
0
1
0
2
40
9
8
6
3
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 (%)

22
4
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
81
83
83
83
83
81
80
78
78
78
78
78
73
66
62
56
52
49
55
64
71
74

Pressure (mb)

1006
1007
1007
1008
1008
1009
1009
1010
1010
1010
1011
1011
1011
1012
1012
1013
1013
1012
1012
1012
1012
1013
1013
1013

Ozone (du)

289
289
288
288
288
289
290
290
288
288
288
288
288
288
289
290
291
292
294
295
296
297
298
297

Sunday 23

Waxing Crescent 18%

11:25

No Set

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

Sun - Rise: 07:24, Set: 16:38, Transit: 12:01. Moon - Rise: 11:25, Set: No Set. Civil Dark: 17:10 - 06:51. Nautical Dark: 17:46 - 06:15. Astro Dark: 18:21 - 05:40

Total Clouds (% Sky Obscured)

23
23
21
20
20
20
21
46
71
95
94
92
91
79
68
57
58
59
55
40
27
16
15
13

Low Clouds (% Sky Obscured)

23
22
20
17
14
11
8
14
25
48
52
54
61
57
55
52
50
48
47
33
19
5
7
10

Medium Clouds (% Sky Obscured)

1
4
7
12
20
20
21
46
70
83
84
83
82
58
31
8
5
3
1
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)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
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
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
4
6
4
13
15
14
20
22
22
23
23
21
16
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
80
80
83
83
83
84
84
86
86
87
87
84
84
81
79
76
75
75
75
77
83
86
84

Pressure (mb)

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

Ozone (du)

297
297
297
298
298
299
300
301
302
303
304
305
307
309
310
311
312
313
314
316
317
318
319
322

Monday 24

Waxing Crescent 26%

11:57

19:57

19 Good
20 OK
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: 07:25, 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)

13
39
65
91
100
100
88
81
68
49
45
59
72
75
78
83
88
89
87

Low Clouds (% Sky Obscured)

12
8
6
2
7
12
22
42
61
49
45
57
44
53
60
66
70
78
85

Medium Clouds (% Sky Obscured)

0
23
40
50
55
46
61
43
28
12
24
35
46
52
63
72
64
57
46

High Clouds (% Sky Obscured)

0
3
5
1
0
0
0
0
0
0
0
1
1
1
0
5
30
35
50

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
1
1
0
0
0
0
0
0
0
0
0
0
1
2
3
23
34
43

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-2
-2
-2
-2
-3
-3
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3

Relative Humidity (%)

83
81
83
86
89
89
87
87
89
89
91
91
89
91
78
68
61
59
57

Pressure (mb)

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

Ozone (du)

325
329
330
331
332
335
338
341
338
335
332
332
333
333
333
333
333
335
337

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

Generated: 18/11/25 19:01:36. Forecast: 18/11/25 to 24/11/25. Timezone: UTC-4.00