Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 1

Waxing Gibbous 98%

No Rise

06:11

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

Sun - Rise: 06:28, Set: 17:42, Transit: 12:06. Moon - Rise: No Rise, Set: 06:11. Civil Dark: 18:11 - 05:59. Nautical Dark: 18:45 - 05:25. Astro Dark: 19:20 - 04:50

Total Clouds (% Sky Obscured)

67
60
57
2
0
2
2
2
2
2
2
2
2
6
25
25
25
22
11
17
24
28
30
30

Low Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
1
0
0
0
0
0
1
1
0
1
4
7
12
14
15
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
20
25
20
13
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
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 (%)

3
1
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)

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

Chance of Frost

Temperature (°C)

-10
-11
-14
-14
-15
-16
-17
-18
-19
-19
-20
-20
-21
-21
-21
-20
-19
-18
-16
-15
-13
-12
-11
-11

Feels Like (°C)

-15
-16
-19
-17
-18
-19
-19
-20
-21
-21
-22
-22
-22
-23
-23
-24
-23
-22
-21
-19
-18
-17
-17
-16

Dew Point (°C)

-14
-16
-18
-18
-19
-19
-20
-21
-22
-22
-23
-23
-24
-24
-24
-23
-23
-21
-19
-18
-17
-16
-16
-15

Relative Humidity (%)

71
70
70
71
73
75
75
76
76
76
76
75
72
72
72
74
73
76
77
77
74
72
70
69

Pressure (mb)

1030
1031
1032
1033
1034
1035
1035
1036
1036
1037
1037
1037
1038
1038
1038
1039
1040
1040
1040
1040
1039
1039
1038
1038

Ozone (du)

443
450
448
442
432
427
420
420
431
447
449
446
442
441
440
444
441
441
446
455
457
454
455
452

Monday 2

Waxing Gibbous 100%

17:00

06:30

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

29
6
20
24
51
34
32
40
46
50
96
100
100
62
74
27
26
42
65
100
100
100
100
100

Low Clouds (% Sky Obscured)

16
2
1
1
2
2
3
2
3
2
20
22
19
5
19
2
1
1
2
2
1
0
1
10

Medium Clouds (% Sky Obscured)

1
2
20
24
42
21
26
40
46
50
54
52
48
45
15
16
13
3
3
0
75
80
83
100

High Clouds (% Sky Obscured)

0
0
0
0
4
21
6
4
41
50
87
100
92
39
25
5
26
19
31
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
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)

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

Chance of Frost

Temperature (°C)

-11
-11
-12
-13
-13
-13
-13
-13
-13
-13
-12
-12
-11
-11
-11
-10
-10
-9
-7
-4
-2
1
2
2

Feels Like (°C)

-15
-15
-14
-16
-16
-17
-16
-16
-16
-15
-14
-16
-16
-15
-13
-14
-12
-13
-10
-8
-6
-4
-3
-2

Dew Point (°C)

-14
-14
-14
-15
-16
-16
-16
-16
-16
-15
-15
-14
-13
-13
-12
-12
-12
-12
-10
-7
-5
-2
-0
1

Relative Humidity (%)

75
80
83
83
83
81
81
81
81
83
83
85
85
85
86
85
83
82
80
81
81
86
88
91

Pressure (mb)

1037
1037
1037
1037
1037
1036
1036
1035
1034
1034
1033
1033
1032
1032
1032
1032
1032
1031
1031
1030
1029
1028
1027
1026

Ozone (du)

433
425
422
423
423
422
419
415
414
411
411
409
408
406
406
403
400
395
394
389
385
383
381
381

Tuesday 3

Full Moon 99%

18:13

06:48

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 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 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
98
100
98
83
90
97
79
88
85
65
63
19
61
78
46
97
91
85
81

Low Clouds (% Sky Obscured)

43
34
26
62
68
50
32
33
36
79
65
51
85
81
57
63
15
57
62
10
41
30
20
10

Medium Clouds (% Sky Obscured)

100
100
100
100
100
86
100
92
70
50
88
41
0
0
0
0
0
0
18
42
64
64
62
51

High Clouds (% Sky Obscured)

100
99
100
100
100
96
96
2
0
0
0
0
0
0
0
0
0
0
1
22
59
40
23
5

ISS Passover

Visibility (miles)

9
9
4
6
9
3
1
3
3
9
9
7
6
9
9
9
8
0
1
4
7
8
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
2
0
0
0
0
4
12
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1025
1025
1024
1024
1023
1023
1022
1022
1021
1022
1021
1021
1021
1022
1023
1024
1024
1025
1025
1025
1025
1025
1024
1024

Ozone (du)

379
380
379
379
381
383
385
387
389
393
398
396
386
384
383
384
384
385
386
386
384
384
382
383

Wednesday 4

Waning Gibbous 97%

19:24

07:05

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
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

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)

87
94
100
73
43
15
21
32
44
43
43
50
72
87
100
94
88
82
73
56
41
61
79
100

Low Clouds (% Sky Obscured)

20
20
25
25
30
15
21
32
44
43
43
50
72
85
85
85
85
80
73
56
41
61
20
40

Medium Clouds (% Sky Obscured)

57
59
70
43
22
0
7
14
20
18
14
15
18
87
99
66
57
21
17
56
5
35
8
3

High Clouds (% Sky Obscured)

28
57
100
72
40
5
6
2
2
1
1
0
17
33
47
45
34
2
0
2
11
37
67
100

ISS Passover

Visibility (miles)

8
3
2
8
9
9
9
9
9
9
9
9
9
8
8
9
9
1
0
0
0
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
1
12
0
0
0
1
1
1
0
1
0
0
0
1
2
13
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)

7
5
5
4
2
2
2
3
4
5
5
6
6
6
6
6
6
6
6
8
10
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
93
94
96
96
96
98
96
92
94
96
92
96
96
96
92
100
100
98
100
98
94
89

Pressure (mb)

1024
1024
1025
1025
1025
1025
1025
1025
1025
1026
1025
1025
1025
1026
1026
1026
1026
1027
1027
1027
1027
1027
1026
1027

Ozone (du)

380
380
379
377
375
376
375
376
378
377
375
371
369
367
361
361
358
358
351
351
351
348
350
348

Thursday 5

Waning Gibbous 92%

20:33

07:22

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
14 Bad
15 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)

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)

67
67
83
94
97
97
96
93
100
98
96
96
98
98
99
99
99
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

11
30
42
61
79
76
90
66
50
42
46
31
40
45
55
75
85
85
77
51
36
26
25
28

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
89
96
95
94
92
83
53
25
10
33
56
78
84
89
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
2
0
0
0
0
0
0
0
0
0
1
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
Snow
Snow
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Snow
Snow
Ice pellet
Ice pellet
Ice pellet
Ice pellet
None
None
None

Precipitation Probability (%)

0
1
1
4
5
11
26
43
49
77
95
95
95
95
95
95
95
95
95
71
54
47
35
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.5
1.1
1.1
1
1
1.4
1.1
0.7
0.7
0.4
0.2
0
0
0

Wind Speed/Direction (mph)

12
13
13
13
13
13
13
13
13
13
13
12
12
12
11
10
10
10
10
9
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-8
-9
-11
-12
-13
-15
-14
-14
-15
-14
-14
-14
-13
-12
-12
-12
-12
-12
-13
-13
-13
-9
-9

Dew Point (°C)

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

Relative Humidity (%)

91
89
86
85
85
87
87
85
87
88
88
90
90
90
90
90
89
90
90
92
92
92
94
94

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

346
343
341
342
344
345
347
345
345
349
349
348
343
341
342
338
338
337
336
333
329
325
323
320

Friday 6

Waning Gibbous 85%

21:42

07:42

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
14 Bad
15 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
99
98
98
98
99
100
100
100
100
91
81
72

Medium Clouds (% Sky Obscured)

31
33
31
36
36
35
52
70
89
84
80
76
78
77
76
68
60
55
68
83
100
99
99
99

High Clouds (% Sky Obscured)

88
91
93
94
89
82
81
85
79
78
89
100
100
100
100
71
42
9
5
5
20
75
91
93

ISS Passover

Visibility (miles)

0
1
1
2
2
3
3
5
7
9
7
5
2
2
3
3
3
3
4
2
1
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

Snow
Snow
Snow
Snow
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

38
39
44
39
26
23
22
16
11
38
59
79
95
95
95
95
85
66
71
77
90
91
90
95

Precipitation Amount (mm)

0.1
0.1
0.2
0.1
0
0
0
0
0
0
0.2
0.4
0.7
1.1
1.6
1.1
0.6
0.4
0.4
0.4
0.6
0.6
0.6
0.7

Wind Speed/Direction (mph)

6
5
4
4
4
6
7
7
8
8
9
10
11
10
11
12
11
11
11
11
11
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
94
92
91
89
89
87
86
87
91
92
94
92
92
96
96
98
98
100
100
100
100

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1023
1022
1021
1020
1018
1017
1016
1015
1015
1014
1013
1013
1012
1011
1010
1010
1009

Ozone (du)

318
316
313
311
309
308
306
302
298
294
294
295
296
294
292
291
288
286
284
279
274
270
269
268

Saturday 7

Waning Gibbous 77%

22:50

09:05

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 OK
11 Bad
12 Bad
13 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
96
92
90
73
58
41
49
60
78

Low Clouds (% Sky Obscured)

69
66
63
62
61
60
69
77
87
92
96
100
96
92
90
73
58
41
49
60
78

Medium Clouds (% Sky Obscured)

99
100
100
80
64
46
27
18
10
14
16
26
33
41
50
33
17
0
0
0
0

High Clouds (% Sky Obscured)

96
98
100
96
94
90
91
94
98
90
83
76
62
47
32
23
14
5
3
2
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
3
6
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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
83
73
68
64
47
29
11
10
9
7
11
12
12

Precipitation Amount (mm)

0.9
1
1.1
0.8
1
1.2
1
0.8
0.4
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
96
93
91
91
89
89
88
86
86
80
77
72
73
72

Pressure (mb)

1008
1009
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1011
1011
1011

Ozone (du)

268
269
271
273
274
276
277
278
280
281
289
297
305
321
336
351
361
370
380
384
387

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

Generated: 01/03/26 16:00:08. Forecast: 01/03/26 to 07/03/26. Timezone: UTC-5.00