Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 2

Waxing Gibbous 100%

17:00

06:30

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

Sun - Rise: 06:27, Set: 17:43, Transit: 12:05. Moon - Rise: 17:00, Set: 06:30. Civil Dark: 18:13 - 05:57. Nautical Dark: 18:47 - 05:23. Astro Dark: 19:21 - 04:48

Total Clouds (% Sky Obscured)

8
16
16
2
7
15
26
35
33
49
52
38
74
100
100
89
72
40
87
94
100
100
100
100

Low Clouds (% Sky Obscured)

5
5
0
0
1
1
1
1
1
1
1
1
0
1
1
0
1
1
1
1
1
9
2
26

Medium Clouds (% Sky Obscured)

1
2
11
2
3
12
26
31
27
49
52
29
9
80
80
66
32
1
2
66
61
72
100
100

High Clouds (% Sky Obscured)

0
0
0
0
1
0
0
1
2
0
0
13
67
100
100
89
48
38
85
91
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
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
10
9
3
4
4
4
4
5
4
4
3
2
4
3
3
2
3
4
4
4
4
4

Chance of Frost

Temperature (°C)

-8
-8
-9
-10
-13
-14
-14
-14
-14
-14
-14
-13
-13
-13
-13
-13
-12
-12
-11
-10
-7
-5
-3
-1

Feels Like (°C)

-13
-13
-13
-12
-16
-17
-17
-17
-17
-16
-16
-16
-15
-16
-17
-16
-16
-16
-15
-14
-11
-9
-7
-5

Dew Point (°C)

-12
-13
-12
-13
-15
-16
-17
-16
-16
-16
-16
-16
-15
-15
-15
-15
-14
-14
-13
-12
-10
-8
-6
-4

Relative Humidity (%)

74
69
75
80
81
81
82
84
83
81
83
83
84
84
84
84
84
85
83
81
82
81
81
83

Pressure (mb)

1037
1037
1037
1037
1037
1036
1036
1036
1035
1035
1034
1034
1034
1033
1032
1032
1032
1032
1032
1031
1031
1030
1029
1028

Ozone (du)

447
438
425
421
422
422
419
417
417
411
409
406
402
400
397
395
392
387
380
376
373
374
372
371

Tuesday 3

Full Moon 99%

18:13

06:48

14 Bad
15 Bad
16 Bad
17 Bad
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 OK
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:25, Set: 17:44, Transit: 12:05. Moon - Rise: 18:13, Set: 06:48. Civil Dark: 18:14 - 05:55. Nautical Dark: 18:48 - 05:21. Astro Dark: 19:23 - 04:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
94
98
91
82
79
80
97
68
89
48
33
59
85
100

Low Clouds (% Sky Obscured)

48
68
92
94
94
97
90
73
72
70
66
52
54
61
57
79
93
43
80
47
5
12
15
15

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
85
96
86
61
11
6
3
0
0
0
2
25
51
43

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
13
0
3
0
0
0
0
0
0
1
33
24
85
100

ISS Passover

Visibility (miles)

9
9
9
8
2
1
1
3
1
1
1
2
6
9
9
9
9
9
9
9
9
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
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
3
13
13
5
3
13
6
4
1
1
0
0
0
2
0
0
0
0
0
13
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
4
4
3
4
4
3
2
2
2
2
4
4
5
6
8
10
10
10
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
93
94
94
96
96
96
98
98
98
98
98
98
98
96
96
91
92
92
100
100
100
100

Pressure (mb)

1027
1026
1025
1024
1023
1023
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1021
1023
1024
1024
1024
1024
1024
1023

Ozone (du)

371
373
373
372
366
371
375
374
373
379
385
389
393
400
393
391
390
388
387
388
387
385
383
385

Wednesday 4

Waning Gibbous 97%

19:24

07:05

14 Bad
15 Bad
16 Bad
17 Bad
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: 06:23, Set: 17:46, Transit: 12:05. Moon - Rise: 19:24, Set: 07:05. Civil Dark: 18:15 - 05:53. Nautical Dark: 18:49 - 05:19. Astro Dark: 19:24 - 04:45

Total Clouds (% Sky Obscured)

98
94
99
100
100
100
100
93
82
74
83
100
90
49
45
52
47
56
65
76
81
87
92
92

Low Clouds (% Sky Obscured)

12
6
9
10
10
10
10
5
5
5
5
5
5
5
15
34
36
36
36
37
38
32
30
29

Medium Clouds (% Sky Obscured)

13
67
76
76
76
96
97
91
82
74
81
98
81
49
45
43
15
23
31
49
38
53
61
42

High Clouds (% Sky Obscured)

54
31
81
73
71
98
91
35
37
32
64
99
88
35
44
30
35
41
16
24
36
63
73
74

ISS Passover

Visibility (miles)

0
2
8
9
9
9
9
9
9
9
9
9
9
9
8
3
2
7
9
9
0
0
0
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
13
13
13
13
13
13
13

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
1
0
0
0
0
0
0
0
0
0
1
2
6
19
6
1

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)

9
9
9
7
6
5
4
4
4
3
3
3
3
3
3
4
5
6
6
6
6
5
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
96
94
94
93
96
96
98
98
96
98
98
98
98
98
96
98
98
100
100
100
100
94

Pressure (mb)

1023
1024
1024
1024
1024
1025
1025
1025
1025
1024
1024
1024
1025
1024
1024
1025
1026
1026
1027
1027
1028
1028
1028
1028

Ozone (du)

385
385
386
384
383
381
380
376
373
370
367
366
363
361
362
363
362
362
360
359
357
355
355
354

Thursday 5

Waning Gibbous 92%

20:33

07:22

14 Bad
15 Bad
16 Bad
17 Bad
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: 06:21, Set: 17:47, Transit: 12:05. Moon - Rise: 20:33, Set: 07:22. Civil Dark: 18:17 - 05:52. Nautical Dark: 18:51 - 05:17. Astro Dark: 19:25 - 04:43

Total Clouds (% Sky Obscured)

92
92
94
97
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
98
99
100
100

Low Clouds (% Sky Obscured)

32
45
44
45
3
3
3
8
10
11
21
55
82
100
99
98
98
96
93
91
94
97
100
100

Medium Clouds (% Sky Obscured)

25
10
6
4
12
62
69
100
100
100
100
100
100
100
81
45
50
60
63
57
53
45
37
43

High Clouds (% Sky Obscured)

78
81
88
94
100
100
100
100
100
100
100
92
84
77
84
92
100
68
33
0
3
6
9
17

ISS Passover

Visibility (miles)

3
9
9
9
9
9
9
9
9
9
9
9
4
1
1
1
0
0
0
0
0
0
0
1

Fog (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Precipitation Type

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

Precipitation Probability (%)

3
1
1
0
0
0
0
1
2
2
4
15
35
43
48
51
48
43
41
34
29
26
21
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0.2
0.1
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
12
12
12
12
12
13
13
13
13
12
12
12
12
12
12
12
11
11
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-7
-7
-9
-10
-11
-12
-13
-14
-14
-14
-15
-15
-15
-15
-14
-14
-14
-14
-13
-12
-11
-9

Dew Point (°C)

-2
-2
-3
-4
-5
-6
-7
-7
-9
-9
-10
-10
-10
-10
-10
-10
-10
-9
-9
-9
-8
-7
-6
-5

Relative Humidity (%)

94
91
86
86
84
84
85
87
85
87
87
87
87
87
88
87
88
90
88
90
90
92
92
94

Pressure (mb)

1028
1028
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1027
1027
1026
1026
1026
1026
1027
1027
1027
1027
1027
1026

Ozone (du)

354
350
346
342
340
341
341
340
340
341
343
345
345
346
347
345
344
340
339
339
337
337
337
335

Friday 6

Waning Gibbous 85%

21:42

07:42

14 Bad
15 Bad
16 Bad
17 Bad
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: 06:19, Set: 17:48, Transit: 12:05. Moon - Rise: 21:42, Set: 07:42. Civil Dark: 18:18 - 05:50. Nautical Dark: 18:52 - 05:16. Astro Dark: 19:27 - 04:41

Total Clouds (% Sky Obscured)

100
100
100
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)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
90
86
86

Medium Clouds (% Sky Obscured)

48
46
44
76
40
35
86
100
93
91
90
63
58
51
55
62
70
73
75
80
80
74
66
80

High Clouds (% Sky Obscured)

25
39
32
29
26
30
34
41
61
82
100
85
73
62
52
49
44
44
43
38
35
27
23
44

ISS Passover

Visibility (miles)

1
2
2
3
2
2
3
6
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

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
Very Light Rain

Precipitation Probability (%)

16
3
6
3
3
26
43
41
30
21
21
20
17
12
15
8
3
13
22
34
30
26
33
59

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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
94
94
98
96
98
98
94
91
89
87
87
86
87
87
87
89
93
94
96
98
98

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023
1023
1022
1021
1021
1020
1020
1019
1018
1017
1016
1015

Ozone (du)

332
329
327
321
317
317
317
314
309
303
300
299
298
296
295
290
286
282
279
276
273
270
267
264

Saturday 7

Waning Gibbous 77%

22:50

09:05

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 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

Sun - Rise: 07:18, Set: 17:50, Transit: 13:04. Moon - Rise: 22:50, Set: 09:05. Civil Dark: 18:19 - 06:48. Nautical Dark: 18:54 - 06:14. Astro Dark: 19:28 - 05:39

Total Clouds (% Sky Obscured)

100
100
100
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)

87
87
83
79
76
85
90
93
93
93
91
87
84
80
87
94
100
100
100
100
100
100
100
97

Medium Clouds (% Sky Obscured)

88
99
94
87
76
63
54
44
56
67
79
76
74
71
80
90
100
99
98
96
97
98
100
100

High Clouds (% Sky Obscured)

65
83
83
88
89
96
99
100
100
100
100
100
100
100
98
97
93
95
98
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Precipitation Type

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

Precipitation Probability (%)

80
95
95
95
95
87
73
67
49
28
16
18
19
23
39
53
63
64
60
51
43
30
6
10

Precipitation Amount (mm)

0.4
0.6
0.8
0.9
0.8
0.6
0.5
0.5
0.2
0
0
0
0
0
0
0
0.3
0.3
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

262
260
258
258
258
257
259
260
261
262
262
263
264
265
266
266
266
267
270
274
277
278
279
281

Sunday 8

Waning Gibbous 69%

00:58

09:33

14 Bad
15 Bad
16 Bad
17 Bad
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

Sun - Rise: 07:16, Set: 18:51, Transit: 13:04. Moon - Rise: 00:58, Set: 09:33. Civil Dark: 19:21 - 06:46. Nautical Dark: 19:55 - 06:12. Astro Dark: 20:30 - 05:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
97
95
94
93
92
89
84
78

Low Clouds (% Sky Obscured)

97
93
85
79
69
68
71
76
85
86
86
85
86
86
86
78
70
61

Medium Clouds (% Sky Obscured)

100
100
100
99
97
96
87
77
67
44
22
0
0
0
0
1
2
3

High Clouds (% Sky Obscured)

100
100
100
100
100
100
90
77
70
85
95
95
94
93
92
89
84
78

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
4
6

Fog (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Precipitation Type

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

Precipitation Probability (%)

10
13
16
25
31
35
48
63
65
54
40
5
9
9
4
4
3
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

281
284
287
290
292
294
296
302
308
314
320
326
333
337
341
345
349
353

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

Generated: 02/03/26 14:31:26. Forecast: 02/03/26 to 08/03/26. Timezone: UTC-5.00