Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 3

Waning Gibbous 58%

22:11

12:32

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: 07:17, Set: 16:11, Transit: 11:44. Moon - Rise: 22:11, Set: 12:32. Civil Dark: 16:45 - 06:44. Nautical Dark: 17:22 - 06:07. Astro Dark: 17:58 - 05:31

Total Clouds (% Sky Obscured)

92
94
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

94
96
100
100
100
100
100
98
96
95
96
96
92
89
87
85
83
86
88
88
89
90
91
91

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

100
90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
48
63
82
100
100
100
100
100

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0

Fog (%)

100
100
100
27
27
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
89
71
63
63
64
64
59
65
70
71

Precipitation Amount (mm)

1.2
1.3
1
2.1
2.2
2.1
1.7
1.2
1.3
1.2
1.2
1.3
1.1
0.8
0.5
0.3
0.2
0.3
0.3
0.3
0.3
0.4
0.4
0.4

Wind Speed/Direction (mph)

13
13
13
7
7
7
8
8
8
8
8
8
8
7
5
5
6
7
8
8
8
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-3
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-5
-5
-5
-5
-5
-5
-6

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
96
96
96

Pressure (mb)

1008
1007
1007
1006
1005
1004
1003
1002
1002
1001
1001
1001
1001
1001
1002
1003
1003
1004
1004
1004
1005
1005
1006
1007

Ozone (du)

322
327
333
335
341
340
344
345
348
350
352
350
353
349
341
344
348
348
346
345
345
344
344
344

Monday 4

Waning Gibbous 48%

23:16

12:49

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: 07:18, Set: 16:11, Transit: 11:45. Moon - Rise: 23:16, Set: 12:49. Civil Dark: 16:44 - 06:45. Nautical Dark: 17:22 - 06:08. Astro Dark: 17:58 - 05:32

Total Clouds (% Sky Obscured)

100
100
100
99
96
97
96
96
100
97
93
93
95
86
75
91
90
97
93
97
100
100
96
93

Low Clouds (% Sky Obscured)

88
88
88
85
82
87
87
89
92
88
73
68
70
69
80
98
96
95
89
92
99
100
94
92

Medium Clouds (% Sky Obscured)

100
100
100
94
89
86
87
73
72
67
55
47
78
50
2
2
4
4
4
7
6
4
4
2

High Clouds (% Sky Obscured)

100
100
86
67
56
50
50
46
99
75
52
3
6
3
0
0
0
17
40
45
6
26
79
13

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
2
2
1
3
3
6
9
9
8
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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

72
73
73
63
50
36
27
26
21
9
7
13
4
1
1
0
2
5
4
1
8
4
13
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-3
-3
-3
-3
-3
-4
-4
-4
-4
-4
-4
-5
-5
-6
-5
-5
-5
-4
-5
-5
-5
-5
-5

Relative Humidity (%)

96
96
96
96
98
96
94
96
94
94
92
94
96
96
94
94
92
91
91
87
87
87
87
91

Pressure (mb)

1008
1008
1009
1009
1010
1010
1011
1011
1013
1013
1014
1015
1016
1016
1017
1017
1018
1018
1018
1018
1017
1018
1018
1019

Ozone (du)

349
352
362
365
382
385
380
376
379
381
377
374
371
368
367
366
365
362
365
370
371
370
369
369

Tuesday 5

Third Quarter 38%

00:20

13:04

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 OK
15 OK
16 OK
17 OK

Sun - Rise: 07:20, Set: 16:11, Transit: 11:45. Moon - Rise: 00:20, Set: 13:04. Civil Dark: 16:44 - 06:46. Nautical Dark: 17:22 - 06:09. Astro Dark: 17:57 - 05:33

Total Clouds (% Sky Obscured)

92
96
99
99
99
100
100
100
100
100
99
88
79
81
82
88
86
83
64
58
48
23
17
14

Low Clouds (% Sky Obscured)

90
88
96
94
94
92
83
68
67
62
65
71
66
65
63
80
78
73
50
40
32
21
14
11

Medium Clouds (% Sky Obscured)

4
26
39
70
72
100
100
100
100
100
96
65
46
45
48
31
21
9
24
20
17
4
3
2

High Clouds (% Sky Obscured)

36
61
64
66
67
82
90
86
73
60
61
55
60
51
55
23
20
12
23
18
23
2
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
18
25
26
25
21
60
81
84
84
73
63
62
63
63
63
63
63
63
63
63
63
63
63

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 (%)

4
3
3
5
3
4
12
3
3
1
3
4
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
92
94
96
94
96
96
94
92
90
90
92
92
92
94
92
90
90
87
87
85
92
92
92

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1020
1020
1019
1019
1020
1020
1020

Ozone (du)

368
374
376
376
374
370
368
367
369
371
369
368
371
377
382
385
388
379
378
385
393
401
406
403

Wednesday 6

Waning Crescent 29%

01:25

13:20

18 OK
19 OK
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
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:21, Set: 16:11, Transit: 11:46. Moon - Rise: 01:25, Set: 13:20. Civil Dark: 16:44 - 06:47. Nautical Dark: 17:22 - 06:09. Astro Dark: 17:57 - 05:34

Total Clouds (% Sky Obscured)

18
19
23
30
58
80
100
100
100
100
100
100
100
97
95
93
93
94
95
95
95
95
96
97

Low Clouds (% Sky Obscured)

12
13
13
15
19
15
15
15
15
15
15
15
15
15
14
17
34
53
76
80
84
90
90
81

Medium Clouds (% Sky Obscured)

0
0
0
0
18
35
48
49
49
45
45
45
48
98
96
95
93
93
93
91
90
88
92
95

High Clouds (% Sky Obscured)

0
0
0
0
18
40
45
23
12
3
2
56
36
60
50
60
60
50
50
25
0
0
1
3

ISS Passover

Visibility (miles)

3
3
2
1
1
1
1
1
1
1
1
1
1
1
2
4
7
9
9
9
9
9
9
5

Fog (%)

63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63

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
2
11
1
4
0
10
3
3
2
8
0
0
0
1
0
0
2
5
7
11
13

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)

2
3
3
3
3
4
4
4
4
4
3
3
2
2
2
3
2
3
3
4
3
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
92
90
92
92
92
92
92
92
92
92
92
90
92
90
89
89
87
87
89
91
96
94

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1017
1017
1016
1016
1016
1016

Ozone (du)

400
406
408
409
411
397
381
375
369
359
348
343
335
333
331
331
331
330
330
330
329
326
324
326

Thursday 7

Waning Crescent 20%

02:30

13:37

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: 16:10, Transit: 11:46. Moon - Rise: 02:30, Set: 13:37. Civil Dark: 16:44 - 06:48. Nautical Dark: 17:22 - 06:10. Astro Dark: 17:57 - 05:34

Total Clouds (% Sky Obscured)

96
96
92
93
92
91
95
94
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

78
80
81
84
84
85
94
92
93
92
79
93
89
93
96
99
98
98
97
95
93
90
92
93

Medium Clouds (% Sky Obscured)

90
91
43
43
42
40
32
38
44
50
54
56
97
98
99
100
100
100
100
99
99
98
93
87

High Clouds (% Sky Obscured)

4
2
1
0
9
19
23
45
75
100
86
70
52
63
76
91
93
97
100
99
98
97
98
96

ISS Passover

Visibility (miles)

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

Fog (%)

63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63

Precipitation Type

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

Precipitation Probability (%)

9
15
16
11
15
17
12
14
15
8
17
24
31
47
42
31
31
32
32
49
64
76
73
69

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.1
0
0
0
0
0
0.3
0.4
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-6
-6
-7
-6
-7
-7
-7
-7
-7
-7
-7
-7
-7
-8
-7
-7
-8
-8
-4
-4
-3
-4

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
94
94
92
94
92
92
92
91
92
91
92
91
91
91
91
91
94
96
98
98

Pressure (mb)

1016
1016
1016
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1013
1013
1013
1012
1011
1010
1010
1010
1010
1010

Ozone (du)

327
324
320
317
310
305
302
299
294
290
288
287
285
283
281
279
277
276
275
274
274
274
275
277

Friday 8

Waning Crescent 13%

03:39

13:56

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: 07:22, Set: 16:10, Transit: 11:46. Moon - Rise: 03:39, Set: 13:56. Civil Dark: 16:44 - 06:49. Nautical Dark: 17:22 - 06:11. Astro Dark: 17:58 - 05:35

Total Clouds (% Sky Obscured)

100
100
100
100
99
97
96
97
99
100
100
100
100
97
94
91
77
64
48
40
33
29
29
36

Low Clouds (% Sky Obscured)

95
97
98
100
98
95
93
96
98
100
100
100
100
97
94
91
80
70
58
46
36
29
29
29

Medium Clouds (% Sky Obscured)

79
68
56
46
44
42
40
49
61
68
73
73
72
55
41
29
38
44
50
45
40
40
32
29

High Clouds (% Sky Obscured)

95
60
30
0
2
1
2
0
0
0
0
5
5
9
20
21
22
22
26
24
22
20
25
26

ISS Passover

Visibility (miles)

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

Fog (%)

63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63

Precipitation Type

Very Light Rain
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

Precipitation Probability (%)

66
68
74
83
87
88
84
72
58
37
40
38
33
30
27
19
17
18
21
21
20
18
22
26

Precipitation Amount (mm)

0.3
0.4
0.4
0.6
0.6
0.6
0.5
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Feels Like (°C)

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

Dew Point (°C)

1
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Relative Humidity (%)

98
98
100
98
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
98
100
100
100

Pressure (mb)

1010
1010
1009
1009
1009
1008
1008
1008
1007
1007
1007
1007
1007
1007
1008
1009
1010
1010
1010
1010
1011
1011
1011
1011

Ozone (du)

280
283
282
282
282
281
281
280
283
285
288
290
292
294
296
297
299
300
301
302
304
306
308
312

Saturday 9

Waning Crescent 7%

04:51

14:20

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

Sun - Rise: 07:23, Set: 16:10, Transit: 11:47. Moon - Rise: 04:51, Set: 14:20. Civil Dark: 16:44 - 06:49. Nautical Dark: 17:22 - 06:12. Astro Dark: 17:58 - 05:36

Total Clouds (% Sky Obscured)

51
56
63
61
78
86
94
94
96
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

29
25
25
26
28
35
42
36
35
35
35
35
35
35
25
25
20
20
20

Medium Clouds (% Sky Obscured)

26
29
32
35
50
65
80
65
46
20
43
72
100
100
100
100
95
89
83

High Clouds (% Sky Obscured)

30
30
25
25
25
25
30
53
77
100
98
98
96
95
94
94
93
94
93

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6

Fog (%)

63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63

Precipitation Type

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

Precipitation Probability (%)

30
46
56
64
58
51
43
43
44
46
51
51
41
31
20
4
4
3
2

Precipitation Amount (mm)

0
0
0.2
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
3
3
3
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

3
3
3
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1

Relative Humidity (%)

100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98

Pressure (mb)

1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009

Ozone (du)

316
320
322
324
326
328
330
333
335
337
339
341
344
347
348
350
352
354
355

Forecast for Le Vieux-Port, Montréal, Canada (45.50,-73.57)

Generated: 03/12/23 18:15:44. Forecast: 03/12/23 to 09/12/23. Timezone: UTC-5.00