Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 2

Waxing Gibbous 100%

17:00

06:30

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

Sun - Rise: 06:27, Set: 17:43, Transit: 12:06. 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)

2
7
17
26
23
32
34
34
16
14
4
16
33
32
66
54
51
56
64
88
88
96
63
32

Low Clouds (% Sky Obscured)

0
0
0
0
6
9
10
5
2
0
1
1
0
1
1
1
1
1
1
1
2
1
1
1

Medium Clouds (% Sky Obscured)

2
7
17
26
0
1
0
1
4
7
2
14
32
32
56
54
51
55
33
60
57
90
48
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
7
0
2
31
82
72
66
21
8

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)

2
3
4
6
7
8
8
8
7
5
3
4
4
4
5
5
4
5
3
3
4
3
3
2

Chance of Frost

Temperature (°C)

-19
-17
-14
-13
-13
-11
-10
-10
-9
-10
-11
-12
-12
-12
-12
-13
-13
-12
-12
-13
-13
-12
-12
-12

Feels Like (°C)

-22
-19
-17
-16
-16
-16
-15
-14
-14
-13
-14
-14
-15
-15
-15
-16
-15
-15
-14
-17
-17
-16
-16
-15

Dew Point (°C)

-23
-20
-18
-16
-16
-15
-14
-14
-13
-13
-14
-14
-14
-14
-14
-15
-15
-15
-15
-15
-15
-14
-14
-14

Relative Humidity (%)

72
72
73
74
76
75
73
71
74
80
81
81
83
85
83
83
81
83
83
84
84
84
86
83

Pressure (mb)

1039
1040
1040
1040
1039
1038
1038
1037
1037
1037
1037
1037
1036
1036
1035
1035
1034
1034
1034
1033
1033
1032
1032
1032

Ozone (du)

425
428
436
443
449
454
457
445
428
424
423
424
423
418
414
409
405
402
398
398
396
391
388
386

Tuesday 3

Full Moon 99%

18:13

06:48

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 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)

51
79
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
92
83
91
98
92
78

Low Clouds (% Sky Obscured)

1
1
1
2
3
1
6
48
70
75
94
100
100
85
68
94
32
68
56
79
74
92
83
71

Medium Clouds (% Sky Obscured)

27
24
61
62
76
100
100
100
100
100
100
100
100
100
100
100
100
90
72
33
20
32
6
0

High Clouds (% Sky Obscured)

26
79
100
100
100
100
100
100
100
100
100
100
100
100
100
26
15
3
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Chance of Frost

Temperature (°C)

-10
-9
-7
-5
-3
-1
0
1
2
1
1
1
1
1
0
0
0
0
0
-1
-1
-1
-0
0

Feels Like (°C)

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

Dew Point (°C)

-12
-11
-10
-8
-6
-4
-2
-0
0
1
1
0
0
-0
-0
-0
-0
0
-0
-1
-1
-2
-2
-2

Relative Humidity (%)

85
82
79
79
81
83
84
89
91
94
96
96
94
94
96
96
98
98
98
96
96
91
86
86

Pressure (mb)

1032
1032
1031
1031
1030
1029
1028
1027
1026
1025
1024
1023
1022
1022
1021
1020
1020
1020
1020
1019
1019
1020
1021
1022

Ozone (du)

382
377
374
372
372
372
373
371
370
369
368
372
374
376
379
383
387
392
398
395
388
389
386
387

Wednesday 4

Waning Gibbous 97%

19:24

07:05

08 Bad
09 OK
10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
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: 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)

55
25
30
27
81
78
58
85
92
56
39
44
98
100
77
70
52
48
45
45
57
68
78
84

Low Clouds (% Sky Obscured)

54
24
27
11
65
57
33
5
5
5
5
5
2
5
19
24
10
10
10
10
20
20
25
25

Medium Clouds (% Sky Obscured)

0
2
1
19
18
22
29
59
56
26
10
18
55
52
33
24
5
4
2
0
15
28
45
43

High Clouds (% Sky Obscured)

0
4
3
2
65
60
14
9
49
5
32
37
76
68
30
24
31
41
32
30
39
35
33
45

ISS Passover

Visibility (miles)

9
9
9
1
2
1
0
0
0
1
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
3
0
0
0
0
0
0
0
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)

11
9
9
10
10
10
9
8
8
7
6
6
4
5
5
5
5
6
6
6
6
5
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
98
100
100
100
100
100
100
100
98
94
93
92
94
96
96
98
98
98
98
98
98
98
98

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1025
1026
1027
1027
1027
1027
1028
1028
1028
1028
1028
1029
1029
1029

Ozone (du)

388
388
386
384
382
384
383
384
384
384
383
382
381
381
377
374
371
368
364
359
357
357
357
358

Thursday 5

Waning Gibbous 92%

20:33

07:22

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 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
100
78
55
33
58
80
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

30
45
45
55
33
58
65
80
68
15
5
16
45
60
83
94
100
99
97
95
97
98
100
100

Medium Clouds (% Sky Obscured)

59
31
16
11
6
5
1
3
70
70
75
87
92
100
100
100
100
100
100
100
96
91
86
90

High Clouds (% Sky Obscured)

74
96
70
46
24
47
73
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
70

ISS Passover

Visibility (miles)

9
0
0
0
0
2
9
9
9
9
9
9
9
9
5
3
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
1
1
3
2
0
1
0
0
0
0
1
6
12
39
93
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
1
1.6
1.7
1.6
1.4
1.1
1.2
1.1

Wind Speed/Direction (mph)

5
7
8
9
10
11
11
11
11
11
12
11
11
11
12
11
11
12
11
12
12
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
94
94
92
91
89
87
89
90
90
92
90
92
92
94
94
94
94
94

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1028
1028
1028
1028
1027
1026
1025
1025
1024
1023
1022
1021
1021
1021

Ozone (du)

357
354
353
354
350
348
346
342
341
340
338
338
338
336
338
341
342
344
346
350
351
346
345
343

Friday 6

Waning Gibbous 85%

21:42

07:42

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 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
100
100
100
100

Medium Clouds (% Sky Obscured)

95
88
52
36
26
20
15
13
13
9
27
25
28
36
39
43
40
42
44
44
57
70
86
79

High Clouds (% Sky Obscured)

40
19
16
17
20
20
20
25
40
57
71
69
85
93
100
100
100
99
98
95
89
86
83
80

ISS Passover

Visibility (miles)

0
0
0
0
0
0
1
1
1
1
2
2
2
3
4
6
8
9
9
9
9
8
7
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

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

Precipitation Probability (%)

95
90
77
62
51
44
42
29
27
23
28
32
25
22
24
18
17
15
5
4
31
46
61
64

Precipitation Amount (mm)

1.1
0.6
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3

Wind Speed/Direction (mph)

10
10
10
10
10
9
9
8
7
7
6
4
3
2
1
1
2
3
3
4
4
4
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-9
-9
-9
-9
-9
-8
-8
-8
-8
-8
-7
-7
-7
-7
-7
-7
-6
-4
-5
-5
-5
-6
-5

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

341
337
332
332
335
332
330
327
324
322
322
318
314
310
306
303
299
296
295
294
293
291
290
289

Saturday 7

Waning Gibbous 77%

22:50

09:05

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
22 Bad
23 Bad
00 Bad
01 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:18, Set: 17:50, Transit: 12:05. 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)

100
100
95
90
86
87
88
89
85
80
76
79
83
88
89
90
91
87
84
80
87
93
100
100

Medium Clouds (% Sky Obscured)

75
71
69
64
54
68
80
96
87
75
61
55
50
48
63
80
100
80
60
40
47
57
64
78

High Clouds (% Sky Obscured)

69
59
52
45
35
43
57
72
82
91
94
96
98
100
100
100
100
98
95
93
96
98
100
100

ISS Passover

Visibility (miles)

6
7
9
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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

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

Precipitation Probability (%)

60
61
51
39
43
63
85
95
95
95
95
83
68
70
95
95
95
95
95
64
51
35
16
18

Precipitation Amount (mm)

0.2
0.3
0
0
0
0.3
0.5
0.7
0.8
0.9
0.9
0.5
0.2
0
0.9
1.8
2.5
1.6
0.9
0.4
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

284
279
274
271
268
264
262
260
258
258
258
259
259
260
260
260
260
260
259
259
258
260
261
263

Sunday 8

Waning Gibbous 69%

00:58

09:05

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
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:16, Set: 18:51, Transit: 13:04. Moon - Rise: 00:58, Set: 09:05. 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
100
100
100
100
100
100
99
99
99

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
96
90
84
86
89
93
91
90
89

Medium Clouds (% Sky Obscured)

78
90
100
94
88
82
88
94
100
94
88
80
84
88
94
74
52
33

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
98
97
95
95
95
95

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
8
8
9

Fog (%)

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
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

18
18
21
19
15
13
14
14
16
25
31
35
48
64
66
54
40
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

263
267
271
276
278
280
282
283
283
284
289
294
300
305
310
315
317
320

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

Generated: 02/03/26 08:45:33. Forecast: 02/03/26 to 08/03/26. Timezone: UTC-5.00