Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 1

Waxing Gibbous 95%

14:33

04:33

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

Sun - Rise: 07:33, Set: 16:34, Transit: 12:04. Moon - Rise: 14:33, Set: 04:33. Civil Dark: 17:07 - 07:00. Nautical Dark: 17:44 - 06:23. Astro Dark: 18:19 - 05:48

Total Clouds (% Sky Obscured)

62
48
37
59
2
45
16
14
32
53
100
91
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

4
3
2
1
0
0
0
0
0
0
0
33
39
59
86
99
96
100
98
99
99
100
99
100

Medium Clouds (% Sky Obscured)

0
0
0
49
0
0
0
8
12
43
27
69
83
100
100
100
100
98
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
1
52
2
45
15
2
32
53
99
51
77
100
100
100
100
100
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
8
6
9
5
4
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
35
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
17
44
75
72
88
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.5
0.3
0.6
0.8
1.1

Wind Speed/Direction (mph)

11
9
7
5
5
5
5
3
2
3
3
4
5
7
8
8
7
5
4
4
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
71
71
69
66
64
62
62
65
65
62
62
59
60
62
62
68
76
88
93
96
98
98

Pressure (mb)

1023
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1027
1027
1026
1024
1023
1022
1021
1021
1019
1019
1018
1017
1015

Ozone (du)

382
378
374
366
364
361
358
357
355
355
355
353
351
350
351
351
350
348
347
343
340
338
337
338

Tuesday 2

Waxing Gibbous 95%

15:07

05:58

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
20 Bad
21 Bad

Sun - Rise: 07:34, Set: 16:34, Transit: 12:04. Moon - Rise: 15:07, Set: 05:58. Civil Dark: 17:07 - 07:01. Nautical Dark: 17:44 - 06:24. Astro Dark: 18:19 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
96
93
95
91
78
79
48
50
51
75
85

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
100
98
100
96
96
86
84
91
91
77
77
43
47
37
11
2

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
78
100
100
100
99
79
42
18
0
0
0
1
0
5
53
45

High Clouds (% Sky Obscured)

100
100
100
100
100
100
76
0
0
0
0
0
30
0
0
0
0
0
2
8
4
5
16
56

ISS Passover

Visibility (miles)

1
3
0
1
1
1
0
0
2
5
0
0
1
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
1
100
35
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
67
40
26
12
6
3
1
2
0
0
0
0

Precipitation Amount (mm)

2
2.9
4.5
5.6
6.9
7.5
7.3
4.4
1
0.8
1.7
1
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
9
11
12
13
14
18
18
22
21
20
21
20
20
19
17
16
14
13
11
10
8
7
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
98
98
96
96
98
94
93
96
96
94
88
88
88
84
84
84
86
87
87
89
92

Pressure (mb)

1012
1010
1007
1003
1001
998
994
993
990
990
992
994
996
998
1000
1002
1005
1007
1009
1010
1012
1013
1014
1015

Ozone (du)

338
338
334
332
331
332
332
338
341
348
352
353
354
356
355
352
349
345
340
339
336
329
325
322

Wednesday 3

Waxing Gibbous 99%

15:53

07:25

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
20 Bad
21 Bad

Sun - Rise: 07:35, Set: 16:34, Transit: 12:04. Moon - Rise: 15:53, Set: 07:25. Civil Dark: 17:07 - 07:02. Nautical Dark: 17:43 - 06:25. Astro Dark: 18:19 - 05:50

Total Clouds (% Sky Obscured)

87
72
100
100
100
100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
88
98

Low Clouds (% Sky Obscured)

3
8
24
31
18
13
21
64
78
94
95
100
96
22
68
84
88
89
89
91
94
95
79
96

Medium Clouds (% Sky Obscured)

56
66
66
72
100
100
100
100
70
85
68
56
56
99
100
100
100
100
100
100
100
100
49
42

High Clouds (% Sky Obscured)

45
36
99
100
100
100
100
100
100
96
100
45
15
94
95
100
100
100
100
67
33
3
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
2
0
5

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

Precipitation Probability (%)

0
0
0
0
0
0
0
3
4
22
32
49
61
22
4
4
33
48
52
67
75
87
77
67

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0
0
0
0
0
0
0.3
0.3
0.5
0.4
0.3

Wind Speed/Direction (mph)

3
2
2
2
2
2
2
2
2
2
4
6
8
9
9
9
10
9
9
9
10
11
11
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
94
92
91
89
89
89
91
91
92
88
85
85
80
80
79
78
82
86
85
89
91
96
84

Pressure (mb)

1015
1015
1015
1015
1016
1015
1015
1014
1014
1014
1013
1012
1011
1010
1009
1007
1006
1005
1005
1004
1003
1002
1002
1003

Ozone (du)

320
320
323
327
332
340
351
358
364
366
367
367
366
366
368
369
370
372
371
370
376
388
390
376

Thursday 4

Full Moon 100%

16:53

08:44

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 OK
12 OK
13 OK
14 Good
15 Good
16 Good
17 Good
18 OK
19 OK
20 Bad
21 Bad

Sun - Rise: 07:36, Set: 16:34, Transit: 12:05. Moon - Rise: 16:53, Set: 08:44. Civil Dark: 17:07 - 07:03. Nautical Dark: 17:43 - 06:26. Astro Dark: 18:19 - 05:51

Total Clouds (% Sky Obscured)

99
81
41
22
70
93
95
94
95
88
71
73
42
38
18
15
8
10
4
13
22
36
58
95

Low Clouds (% Sky Obscured)

98
77
40
18
58
90
91
93
93
86
71
71
42
38
18
13
6
9
4
4
4
4
4
9

Medium Clouds (% Sky Obscured)

28
18
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
17
28
28
47

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
22
36
58
64

ISS Passover

Visibility (miles)

2
5
9
9
9
7
7
9
7
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

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 (%)

64
57
47
31
25
19
10
11
13
2
5
5
3
1
0
0
0
1
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.2
0.1
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)

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

Chance of Frost

Temperature (°C)

-1
-3
-5
-7
-8
-9
-10
-10
-10
-10
-10
-9
-8
-7
-7
-6
-6
-6
-6
-7
-7
-7
-7
-7

Feels Like (°C)

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

Dew Point (°C)

-3
-7
-10
-12
-13
-14
-14
-15
-14
-14
-14
-14
-14
-14
-14
-14
-14
-13
-13
-12
-12
-12
-12
-12

Relative Humidity (%)

86
76
72
66
68
69
71
70
72
71
71
69
65
60
57
54
53
58
61
64
66
67
67
68

Pressure (mb)

1003
1004
1005
1007
1008
1010
1011
1012
1013
1014
1015
1016
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019

Ozone (du)

373
374
377
379
383
385
386
384
382
382
380
379
377
375
376
372
371
370
367
364
359
353
349
345

Friday 5

Waning Gibbous 97%

18:06

09:49

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
20 Bad
21 Bad

Sun - Rise: 07:37, Set: 16:34, Transit: 12:05. Moon - Rise: 18:06, Set: 09:49. Civil Dark: 17:07 - 07:04. Nautical Dark: 17:43 - 06:27. Astro Dark: 18:19 - 05:52

Total Clouds (% Sky Obscured)

87
90
96
100
100
53
62
54
71
75
69
62
50
64
77
91
94
95
91
83
75
64
69
77

Low Clouds (% Sky Obscured)

16
21
23
22
23
26
48
36
51
48
36
28
16
24
29
36
46
52
58
63
65
56
52
50

Medium Clouds (% Sky Obscured)

69
79
91
100
100
47
38
35
35
35
32
31
26
39
51
71
66
61
60
57
54
51
54
66

High Clouds (% Sky Obscured)

58
71
82
97
99
53
62
43
20
2
8
9
4
0
0
0
5
10
5
5
5
5
3
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
1
1
4
5
4
9
9
8
14
9
1
2
2
2
3
4
2
12
15
15
17
17

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-11
-10
-10
-9
-9
-7
-7
-6
-6
-6
-6
-6
-7
-6
-5
-4
-2
-3
-3
-3
-3
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

70
71
73
74
74
74
80
81
82
84
85
78
70
64
65
66
68
73
76
81
88
93
98
98

Pressure (mb)

1019
1018
1018
1018
1017
1017
1016
1016
1016
1015
1015
1015
1015
1014
1013
1013
1012
1011
1011
1011
1011
1010
1010
1010

Ozone (du)

341
342
342
341
341
341
334
329
323
318
315
314
313
313
315
317
319
318
317
316
317
317
318
315

Saturday 6

Waning Gibbous 92%

19:26

10:39

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
20 Bad
21 Bad

Sun - Rise: 07:38, Set: 16:33, Transit: 12:06. Moon - Rise: 19:26, Set: 10:39. Civil Dark: 17:07 - 07:05. Nautical Dark: 17:43 - 06:28. Astro Dark: 18:19 - 05:53

Total Clouds (% Sky Obscured)

85
82
81
79
85
92
97
95
94
92
88
84
80
76
75
73
75
79
83
87
90
94
92
89

Low Clouds (% Sky Obscured)

51
57
62
69
76
82
92
88
80
75
66
66
71
64
57
51
55
60
65
60
56
52
64
79

Medium Clouds (% Sky Obscured)

79
71
62
59
56
51
53
54
54
50
50
56
51
52
50
48
45
40
41
34
31
25
30
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
7
20
26
28
34
48
65
85
61
43

ISS Passover

Visibility (miles)

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

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
20
18
16
13
9
3
8
8
6
15
13
9
18
20
22
12
8
2
3
4
5
24
35

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
98
96
96
96
92
91
91
89
83
79
75
75
72
72
77
83
88
88
88
86
91

Pressure (mb)

1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1009
1008
1008
1008
1007
1007
1007
1007
1007
1007

Ozone (du)

312
309
307
304
301
304
306
309
309
310
311
311
311
311
315
318
321
323
324
326
328
329
330
334

Sunday 7

Waning Gibbous 85%

20:45

11:15

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 OK
13 OK

Sun - Rise: 07:39, Set: 16:33, Transit: 12:06. Moon - Rise: 20:45, Set: 11:15. Civil Dark: 17:07 - 07:06. Nautical Dark: 17:43 - 06:29. Astro Dark: 18:19 - 05:54

Total Clouds (% Sky Obscured)

87
80
74
77
77
80
84
88
83
78
74
70
66
49
33
14

Low Clouds (% Sky Obscured)

87
80
74
71
65
63
60
60
60
62
63
65
66
49
33
14

Medium Clouds (% Sky Obscured)

50
55
74
77
77
69
58
39
19
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

68
47
24
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

47
60
65
61
58
58
55
46
35
17
18
13
5
2
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
5
4
6
8
8
12
15
13
13
12
12
13
14
14
14

Chance of Frost

Temperature (°C)

-1
-1
-2
-3
-4
-4
-6
-7
-8
-9
-9
-9
-9
-9
-9
-8

Feels Like (°C)

-3
-3
-5
-6
-8
-6
-6
-7
-7
-8
-8
-15
-15
-15
-15
-15

Dew Point (°C)

-2
-1
-2
-3
-4
-5
-7
-9
-10
-11
-12
-12
-13
-14
-14
-14

Relative Humidity (%)

92
98
98
98
98
94
90
83
83
82
80
75
71
64
63
61

Pressure (mb)

1006
1006
1006
1006
1006
1007
1008
1009
1010
1011
1012
1013
1014
1014
1014
1014

Ozone (du)

337
340
342
345
347
347
346
346
349
351
353
357
361
365
374
383

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

Generated: 01/12/25 22:29:44. Forecast: 01/12/25 to 07/12/25. Timezone: UTC-4.00