Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 29

Waxing Gibbous 90%

14:14

06:06

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:24, Set: 17:07, Transit: 12:16. Moon - Rise: 14:14, Set: 06:06. Civil Dark: 17:39 - 06:53. Nautical Dark: 18:14 - 06:17. Astro Dark: 18:49 - 05:42

Total Clouds (% Sky Obscured)

52
52
50
70
73
100
97
90
92
91
92
95
93
98
94
93
91
88
89
89
85
70
68
55

Low Clouds (% Sky Obscured)

1
1
0
1
9
35
17
28
42
67
69
70
73
85
84
86
84
83
83
81
75
66
65
55

Medium Clouds (% Sky Obscured)

3
25
25
68
59
62
58
46
45
79
86
78
80
67
29
2
4
2
2
2
5
3
3
4

High Clouds (% Sky Obscured)

0
18
3
3
3
60
55
5
7
4
6
4
3
3
3
3
3
3
3
3
2
0
0
3

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
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
2
4
9
8
4
8
5
5
6
6
11
20
9
8
18
19
5
6
5
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
9
9
9
9
9
9
9
9
9
10
10
9
10
10
9
9
7
6
5
4

Chance of Frost

Temperature (°C)

-19
-20
-21
-22
-22
-23
-22
-22
-22
-22
-22
-21
-21
-19
-17
-16
-15
-14
-13
-13
-14
-15
-17
-18

Feels Like (°C)

-23
-24
-26
-27
-28
-28
-28
-28
-28
-28
-28
-27
-26
-25
-24
-22
-20
-20
-19
-19
-20
-19
-21
-22

Dew Point (°C)

-23
-24
-25
-26
-26
-26
-26
-25
-25
-25
-25
-25
-24
-23
-21
-19
-18
-17
-16
-16
-17
-17
-18
-20

Relative Humidity (%)

70
67
69
68
68
69
70
71
71
71
72
72
72
74
74
72
73
74
78
81
82
84
85
84

Pressure (mb)

1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1022
1022
1022
1023
1023

Ozone (du)

460
463
459
456
451
445
444
447
450
450
449
447
447
447
446
444
442
440
439
439
438
437
437
437

Friday 30

Waxing Gibbous 96%

15:35

06:53

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

Sun - Rise: 07:23, Set: 17:09, Transit: 12:16. Moon - Rise: 15:35, Set: 06:53. Civil Dark: 17:40 - 06:52. Nautical Dark: 18:16 - 06:16. Astro Dark: 18:50 - 05:41

Total Clouds (% Sky Obscured)

51
54
48
43
43
8
45
41
43
17
22
10
9
41
78
59
86
93
85
78
54
40
13
27

Low Clouds (% Sky Obscured)

51
54
48
43
43
2
45
41
43
1
2
1
1
15
66
22
71
69
68
68
54
40
1
1

Medium Clouds (% Sky Obscured)

1
0
0
3
6
3
4
3
9
8
17
2
3
4
3
3
3
25
12
2
1
1
6
19

High Clouds (% Sky Obscured)

3
2
0
0
0
0
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
8
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
1
3
0
0
2
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)

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

Chance of Frost

Temperature (°C)

-19
-19
-20
-20
-20
-21
-21
-21
-22
-22
-22
-22
-19
-17
-15
-14
-13
-12
-12
-12
-14
-16
-17
-18

Feels Like (°C)

-22
-23
-23
-23
-23
-24
-24
-24
-25
-25
-25
-25
-23
-21
-20
-19
-18
-17
-16
-16
-18
-19
-20
-21

Dew Point (°C)

-21
-22
-22
-23
-23
-23
-24
-24
-24
-25
-25
-25
-23
-20
-19
-17
-16
-16
-16
-15
-16
-18
-20
-21

Relative Humidity (%)

82
81
81
80
78
77
77
76
75
75
74
74
74
73
73
74
74
73
72
76
81
81
80
79

Pressure (mb)

1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1025
1025
1025

Ozone (du)

436
433
432
431
430
432
436
436
438
440
443
443
444
445
446
447
446
446
445
444
444
444
443
444

Saturday 31

Waxing Gibbous 99%

16:57

07:29

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

Sun - Rise: 07:22, Set: 17:10, Transit: 12:16. Moon - Rise: 16:57, Set: 07:29. Civil Dark: 17:41 - 06:50. Nautical Dark: 18:17 - 06:15. Astro Dark: 18:51 - 05:40

Total Clouds (% Sky Obscured)

39
23
19
13
5
6
3
4
3
4
4
5
2
3
2
3
5
5
3
5
6
4
3
3

Low Clouds (% Sky Obscured)

1
0
1
1
1
1
2
2
2
1
1
1
1
1
1
1
1
2
1
2
2
2
2
1

Medium Clouds (% Sky Obscured)

31
13
10
7
3
3
0
1
0
0
0
0
0
0
0
0
0
0
0
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 (%)

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)

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

Chance of Frost

Temperature (°C)

-18
-18
-19
-19
-20
-20
-20
-21
-21
-21
-21
-21
-19
-16
-13
-12
-10
-10
-9
-9
-12
-14
-14
-15

Feels Like (°C)

-21
-22
-22
-22
-23
-23
-23
-24
-24
-24
-24
-23
-22
-19
-17
-15
-13
-13
-13
-13
-14
-16
-17
-18

Dew Point (°C)

-21
-21
-21
-22
-22
-23
-23
-24
-24
-24
-24
-24
-23
-19
-17
-16
-14
-14
-13
-12
-14
-16
-17
-17

Relative Humidity (%)

78
79
79
79
77
77
75
74
73
73
72
73
74
73
73
72
72
72
74
78
83
84
82
82

Pressure (mb)

1025
1025
1024
1024
1024
1024
1023
1023
1023
1022
1022
1023
1022
1021
1021
1020
1019
1018
1018
1017
1018
1018
1017
1017

Ozone (du)

444
446
448
450
453
455
454
456
455
454
456
456
457
457
455
452
448
447
444
443
442
440
436
432

Sunday 1

Full Moon 100%

18:16

07:55

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

Sun - Rise: 07:21, Set: 17:12, Transit: 12:16. Moon - Rise: 18:16, Set: 07:55. Civil Dark: 17:43 - 06:49. Nautical Dark: 18:18 - 06:14. Astro Dark: 18:53 - 05:39

Total Clouds (% Sky Obscured)

3
3
2
2
2
2
2
2
2
2
2
5
6
8
19
15
34
49
60
57
63
60
67
84

Low Clouds (% Sky Obscured)

1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
3
4
34
42
3
3
13
23
12

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
4
4
4
34
49
60
57
63
60
60
75

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
2
1
7
3
4
14
15
8
12
11
41
72

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
8
4
4

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

Chance of Frost

Temperature (°C)

-15
-15
-16
-17
-17
-17
-17
-17
-18
-18
-19
-18
-14
-11
-9
-7
-5
-5
-4
-5
-7
-9
-11
-11

Feels Like (°C)

-18
-18
-19
-19
-19
-20
-20
-20
-20
-21
-21
-20
-17
-14
-11
-10
-8
-8
-8
-9
-11
-13
-15
-15

Dew Point (°C)

-17
-17
-18
-19
-19
-19
-19
-20
-20
-21
-21
-21
-17
-14
-12
-10
-8
-7
-7
-6
-8
-10
-12
-13

Relative Humidity (%)

84
83
82
83
82
81
80
79
81
79
78
79
79
76
77
77
80
81
82
89
92
92
90
90

Pressure (mb)

1017
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1018
1018
1018

Ozone (du)

430
428
425
423
425
431
431
427
427
430
432
434
438
443
448
450
453
443
436
422
423
420
417
420

Monday 2

Waning Gibbous 98%

19:31

08:17

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:19, Set: 17:13, Transit: 12:16. Moon - Rise: 19:31, Set: 08:17. Civil Dark: 17:44 - 06:48. Nautical Dark: 18:19 - 06:13. Astro Dark: 18:54 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
94
88
83
87
89
91
89
86
83
83
86
87
91
89
91
86
80
78
72
66

Low Clouds (% Sky Obscured)

5
5
14
19
9
8
10
33
55
78
76
75
73
72
74
73
73
79
84
81
78
75
70
65

Medium Clouds (% Sky Obscured)

100
100
100
100
94
88
83
87
89
90
82
32
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
78
58
25
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2

ISS Passover

Visibility (miles)

5
9
9
9
9
9
9
9
7
5
3
1
1
4
8
4
6
5
4
3
3
3
4
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 (%)

0
0
0
0
0
0
0
2
4
5
11
24
14
12
23
11
17
18
18
16
13
9
9
6

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

Chance of Frost

Temperature (°C)

-12
-13
-13
-13
-13
-13
-13
-12
-13
-13
-13
-11
-9
-7
-5
-4
-4
-5
-5
-6
-7
-8
-9
-11

Feels Like (°C)

-16
-16
-17
-16
-17
-16
-16
-16
-16
-17
-17
-15
-12
-10
-9
-9
-9
-9
-9
-9
-8
-8
-8
-14

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
90
90
90
90
90
90
90
92
92
89
85
84
81
84
84
85
87
87
87
85

Pressure (mb)

1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1023
1024
1024
1025
1025
1026
1027

Ozone (du)

420
421
419
415
411
410
409
409
400
389
389
396
389
390
392
406
408
400
392
385
385
386
387
385

Tuesday 3

Waning Gibbous 93%

20:43

08:35

21 Bad
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
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

Sun - Rise: 07:18, Set: 17:14, Transit: 12:16. Moon - Rise: 20:43, Set: 08:35. Civil Dark: 17:46 - 06:47. Nautical Dark: 18:21 - 06:12. Astro Dark: 18:55 - 05:37

Total Clouds (% Sky Obscured)

61
41
22
3
3
6
15
21
24
27
47
68
86
93
97
100
100
100
100
96
89
80
78
77

Low Clouds (% Sky Obscured)

61
40
20
0
0
0
0
0
0
0
0
0
0
0
0
3
14
29
35
18
16
14
11
10

Medium Clouds (% Sky Obscured)

0
1
1
2
3
6
15
21
13
4
22
40
57
63
70
78
88
94
100
79
52
28
22
25

High Clouds (% Sky Obscured)

3
7
9
3
3
2
2
4
5
7
9
11
9
35
63
94
96
98
100
67
37
30
45
77

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8

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)

5
5
5
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

-12
-13
-15
-16
-17
-18
-19
-20
-20
-21
-22
-20
-18
-16
-14
-12
-11
-10
-10
-10
-12
-13
-15
-15

Feels Like (°C)

-15
-14
-15
-15
-15
-21
-21
-22
-22
-23
-24
-26
-25
-25
-24
-24
-23
-15
-14
-15
-14
-13
-12
-19

Dew Point (°C)

-14
-16
-17
-19
-20
-21
-22
-23
-24
-25
-25
-24
-22
-20
-18
-16
-15
-14
-13
-13
-14
-15
-16
-17

Relative Humidity (%)

81
79
78
79
78
78
77
76
73
73
72
73
72
72
72
72
72
75
77
80
81
84
86
83

Pressure (mb)

1027
1027
1028
1028
1028
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1029
1028
1028
1027
1027
1027
1026
1026
1026

Ozone (du)

383
381
381
380
379
383
386
390
392
395
398
397
397
397
403
410
416
415
414
413
416
419
423
424

Wednesday 4

Waning Gibbous 87%

No Rise

08:52

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
18 Bad

Sun - Rise: 07:17, Set: 17:16, Transit: 12:16. Moon - Rise: No Rise, Set: 08:52. Civil Dark: 17:47 - 06:46. Nautical Dark: 18:22 - 06:11. Astro Dark: 18:57 - 05:36

Total Clouds (% Sky Obscured)

75
75
80
80
82
83
92
94
93
96
84
73
61
66
69
68
66
68
74
77
81
81

Low Clouds (% Sky Obscured)

6
8
14
16
15
13
7
6
5
4
4
4
4
6
9
13
20
28
41
40
40
40

Medium Clouds (% Sky Obscured)

40
50
55
80
82
83
92
93
90
89
80
73
61
55
42
25
20
26
36
42
42
43

High Clouds (% Sky Obscured)

75
75
80
63
57
35
35
53
71
87
61
35
11
11
6
3
4
4
5
6
7
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-16
-17
-17
-17
-18
-18
-18
-19
-18
-18
-18
-17
-15
-13
-11
-10
-8
-8
-7
-7
-9
-11

Feels Like (°C)

-19
-19
-20
-20
-21
-22
-22
-23
-22
-22
-23
-22
-22
-22
-21
-19
-19
-9
-9
-9
-8
-7

Dew Point (°C)

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

Relative Humidity (%)

84
84
82
82
81
81
82
81
81
80
80
79
80
79
78
77
75
77
79
80
82
83

Pressure (mb)

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

Ozone (du)

425
427
419
411
403
402
401
400
406
413
419
420
421
423
418
412
407
404
400
396
398
400

Forecast for ByWard Market, Ottawa, Canada (45.42,-75.69)

Generated: 29/01/26 21:52:29. Forecast: 29/01/26 to 04/02/26. Timezone: UTC-5.00