Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 16

Waning Crescent 7%

06:34

16:34

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

Sun - Rise: 07:11, Set: 19:10, Transit: 13:11. Moon - Rise: 06:34, Set: 16:34. Civil Dark: 19:40 - 06:40. Nautical Dark: 20:14 - 06:05. Astro Dark: 20:49 - 05:30

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
78
49
90
85

Low Clouds (% Sky Obscured)

100
94
89
95
77
79
70
78
72
64
100
96
86
81
85
76
100
100
96
91
72
49
86
80

Medium Clouds (% Sky Obscured)

59
45
43
41
34
52
85
91
100
100
100
100
100
100
100
100
99
100
100
95
14
0
8
0

High Clouds (% Sky Obscured)

55
66
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Light Rain
None
None
None
None
None
None
None
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Snow
Snow
Snow
Snow
None
None
None
None

Precipitation Probability (%)

95
39
0
10
6
23
24
46
95
95
95
95
95
95
95
95
95
95
95
74
30
11
26
28

Precipitation Amount (mm)

0.7
0
0
0
0
0
0
0
2.1
3.9
2.6
2.4
1.8
2.5
2.6
1.1
2.3
2.2
1.4
0.3
0
0
0
0

Wind Speed/Direction (mph)

9
10
11
11
9
10
12
10
8
8
6
6
6
6
9
7
8
11
12
15
17
19
20
18

Chance of Frost

Temperature (°C)

1
2
3
4
5
7
8
9
9
9
8
7
6
5
5
3
1
0
0
-0
-1
-3
-5
-6

Feels Like (°C)

-3
-2
-1
1
2
3
3
6
7
7
7
4
3
2
1
1
-3
-5
-5
-7
-9
-11
-12
-14

Dew Point (°C)

1
2
3
4
5
6
7
8
8
8
8
7
6
5
4
3
1
-0
-0
-1
-3
-8
-9
-8

Relative Humidity (%)

100
100
100
100
98
98
93
93
95
96
100
98
98
98
98
96
100
98
98
96
84
68
70
85

Pressure (mb)

1002
1001
999
998
997
996
994
993
991
990
989
989
990
989
990
989
987
988
988
988
989
990
991
993

Ozone (du)

362
360
360
357
354
352
352
351
351
351
354
356
358
362
365
369
373
381
387
400
413
420
430
441

Tuesday 17

Waning Crescent 2%

06:53

17:48

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

Sun - Rise: 07:09, Set: 19:12, Transit: 13:10. Moon - Rise: 06:53, Set: 17:48. Civil Dark: 19:41 - 06:38. Nautical Dark: 20:16 - 06:03. Astro Dark: 20:51 - 05:28

Total Clouds (% Sky Obscured)

88
83
56
100
100
97
94
94
94
92
98
95
83
88
79
59
43
44
36
65
37
3
2
3

Low Clouds (% Sky Obscured)

87
80
56
100
99
94
87
89
82
72
68
68
68
75
71
43
33
44
36
65
24
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
3
3
2
1
6
16
40
39
7
4
17
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
3
3
3
1
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

9
4
9
6
4
6
6
5
6
6
7
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 (%)

12
7
6
20
20
10
15
15
6
18
7
7
11
4
4
6
7
2
1
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)

19
20
21
20
18
18
17
17
17
16
15
13
11
10
9
8
9
8
7
7
7
7
7
6

Chance of Frost

Temperature (°C)

-7
-8
-10
-10
-10
-10
-10
-10
-10
-10
-10
-9
-10
-10
-10
-10
-11
-11
-11
-12
-12
-12
-12
-12

Feels Like (°C)

-15
-17
-19
-17
-18
-18
-18
-17
-17
-17
-17
-16
-16
-16
-15
-16
-16
-16
-15
-15
-16
-16
-16
-15

Dew Point (°C)

-12
-12
-14
-14
-15
-15
-16
-16
-15
-15
-15
-15
-14
-15
-15
-15
-16
-16
-16
-16
-16
-16
-17
-17

Relative Humidity (%)

70
74
68
71
66
65
64
64
65
65
64
64
68
66
66
68
66
66
66
67
67
69
67
66

Pressure (mb)

995
997
999
1001
1003
1004
1006
1007
1009
1010
1012
1013
1014
1016
1017
1018
1019
1019
1020
1021
1022
1023
1024
1025

Ozone (du)

455
459
457
459
460
463
467
475
484
484
478
480
483
485
498
507
505
494
489
475
471
464
459
457

Wednesday 18

New Moon 0%

06:53

19:04

07 Good
08 Good
09 Good
10 OK
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

Sun - Rise: 07:07, Set: 19:13, Transit: 13:10. Moon - Rise: 06:53, Set: 19:04. Civil Dark: 19:42 - 06:36. Nautical Dark: 20:17 - 06:01. Astro Dark: 20:52 - 05:26

Total Clouds (% Sky Obscured)

4
6
10
36
52
59
89
100
100
100
100
100
100
100
100
100
97
97
98
99
99
100
100
100

Low Clouds (% Sky Obscured)

1
1
1
20
35
30
74
97
100
80
66
63
84
89
85
83
85
87
92
93
94
96
93
90

Medium Clouds (% Sky Obscured)

3
3
3
2
2
8
8
62
72
68
98
98
100
100
99
98
89
90
92
95
98
100
99
99

High Clouds (% Sky Obscured)

2
3
5
0
4
3
3
50
50
0
0
29
43
69
96
60
52
60
33
19
1
21
11
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
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
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
1
1
4
13
22
22
17
25
36
45
65
65
61
60

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-13
-12
-11
-10
-9
-7
-6
-5
-4
-3
-3
-3
-3
-4
-4
-4
-4
-4
-5
-5
-5
-5
-4
-4

Feels Like (°C)

-15
-15
-14
-14
-13
-12
-11
-10
-8
-7
-7
-7
-8
-8
-8
-9
-8
-8
-9
-9
-9
-9
-9
-9

Dew Point (°C)

-18
-18
-18
-17
-16
-15
-14
-13
-13
-12
-12
-11
-8
-8
-8
-8
-7
-7
-8
-7
-6
-5
-5
-5

Relative Humidity (%)

66
64
58
55
54
53
53
52
50
51
51
56
68
73
76
78
79
79
79
84
92
94
92
92

Pressure (mb)

1026
1027
1028
1028
1029
1029
1028
1027
1026
1026
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1021
1020
1020

Ozone (du)

454
450
438
432
428
423
422
412
408
405
409
406
398
393
391
390
394
396
395
396
397
398
398
398

Thursday 19

Waxing Crescent 1%

07:12

20:21

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

Sun - Rise: 07:05, Set: 19:14, Transit: 13:10. Moon - Rise: 07:12, Set: 20:21. Civil Dark: 19:44 - 06:34. Nautical Dark: 20:18 - 05:59. Astro Dark: 20:54 - 05:24

Total Clouds (% Sky Obscured)

100
94
89
84
89
95
100
99
97
95
97
96
100
97
93
92
83
79
68
74
87
100
96
91

Low Clouds (% Sky Obscured)

88
86
85
84
89
95
100
97
94
92
89
83
87
76
69
60
55
55
50
45
45
45
40
40

Medium Clouds (% Sky Obscured)

97
70
43
15
20
40
50
47
12
8
19
22
100
97
93
92
83
21
68
72
82
100
94
89

High Clouds (% Sky Obscured)

15
15
10
3
9
3
3
0
0
0
0
0
20
0
0
0
0
2
0
0
5
25
35
3

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
1
3
9
2
9
5
3
0
0
0
2
2
5
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

55
58
54
54
57
65
65
60
47
38
18
13
25
13
14
23
14
27
23
10
10
19
5
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

401
402
403
403
399
400
402
402
400
401
403
402
401
402
401
399
399
399
399
400
401
402
404
404

Friday 20

Waxing Crescent 4%

07:32

21:40

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

Sun - Rise: 07:03, Set: 19:16, Transit: 13:09. Moon - Rise: 07:32, Set: 21:40. Civil Dark: 19:45 - 06:32. Nautical Dark: 20:20 - 05:57. Astro Dark: 20:55 - 05:21

Total Clouds (% Sky Obscured)

87
84
77
80
74
66
59
57
55
62
66
66
36
41
47
38
43
43
39
46
57
70
72
80

Low Clouds (% Sky Obscured)

25
7
7
10
10
10
10
10
10
15
5
3
0
0
0
0
0
0
0
15
31
46
64
80

Medium Clouds (% Sky Obscured)

87
84
66
28
68
45
59
57
55
62
66
59
20
19
27
35
35
35
35
30
35
35
41
52

High Clouds (% Sky Obscured)

0
0
2
5
20
0
1
25
30
30
3
0
0
0
0
0
0
0
0
11
22
26
5
1

ISS Passover

Visibility (miles)

2
9
8
9
4
3
2
6
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
Snow

Precipitation Probability (%)

17
13
17
24
34
34
24
4
5
14
2
0
0
0
0
0
0
0
0
8
12
14
35
45

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
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
92
89
89
87
74
70
70
70
70
70
71
71
71
69
71
71
72
71
69
69
66

Pressure (mb)

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

Ozone (du)

403
401
399
399
402
405
404
404
404
407
411
414
413
416
419
422
425
421
417
412
410
408
405
405

Saturday 21

Waxing Crescent 10%

07:55

23:03

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

Sun - Rise: 07:00, Set: 19:17, Transit: 13:09. Moon - Rise: 07:55, Set: 23:03. Civil Dark: 19:46 - 06:30. Nautical Dark: 20:21 - 05:55. Astro Dark: 20:57 - 05:19

Total Clouds (% Sky Obscured)

87
94
97
98
96
94
92
89
86
87
88
88
88
77
65
63
86
95
100
95
96
92
94
93

Low Clouds (% Sky Obscured)

87
94
97
97
93
89
85
81
74
72
75
76
77
51
26
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

62
85
91
93
79
68
55
48
47
52
63
71
80
77
65
63
81
71
58
41
29
26
41
56

High Clouds (% Sky Obscured)

0
0
0
2
29
47
60
60
80
30
30
25
25
45
65
63
80
75
50
25
15
10
10
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
5
2
2
1
1
1
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

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

Precipitation Probability (%)

52
57
61
63
54
43
31
27
21
13
37
53
64
61
60
63
78
90
95
84
72
57
46
35

Precipitation Amount (mm)

0.1
0.2
0.2
0.3
0.2
0.1
0
0
0
0
0.1
0.2
0.3
0.2
0.2
0.2
0.4
0.6
0.7
0.5
0.4
0.2
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
65
59
55
50
48
46
44
44
45
45
50
56
62
70
79
90
90
92
92
94
92
94
94

Pressure (mb)

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

Ozone (du)

404
404
404
403
403
400
397
394
393
391
389
388
386
385
381
377
373
366
358
351
349
347
344
344

Sunday 22

Waxing Crescent 18%

08:23

00:26

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:58, Set: 19:18, Transit: 13:09. Moon - Rise: 08:23, Set: 00:26. Civil Dark: 19:48 - 06:28. Nautical Dark: 20:22 - 05:53. Astro Dark: 20:58 - 05:17

Total Clouds (% Sky Obscured)

95
90
88
87
93
96
100
91
84
76
87
92
93
94
95
98
93
87
81

Low Clouds (% Sky Obscured)

10
20
25
25
20
20
15
19
33
47
64
82
93
94
95
95
93
87
81

Medium Clouds (% Sky Obscured)

73
66
62
65
76
80
83
68
58
50
70
75
80
77
47
38
31
25
21

High Clouds (% Sky Obscured)

20
52
54
39
26
13
0
0
0
3
4
4
5
4
2
0
0
0
0

ISS Passover

Visibility (miles)

0
1
1
1
1
1
0
0
3
6
9
7
5
3
5
7
9
6
4

Fog (%)

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

22
21
22
23
23
23
22
24
26
27
36
44
52
83
95
95
95
95
81

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.5
1
1.6
1.2
0.9
0.5

Wind Speed/Direction (mph)

4
4
3
4
6
6
6
6
7
10
12
12
11
11
12
12
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-12
-10
-9
-8
-7
-7
-6
-2
-2
-2
-2
-1
-0
-5
-6
-6
-6
-7

Dew Point (°C)

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

Relative Humidity (%)

94
94
92
92
91
94
96
100
86
77
68
73
75
81
83
81
81
84
87

Pressure (mb)

1011
1012
1011
1011
1011
1010
1010
1009
1008
1008
1007
1007
1007
1007
1006
1005
1004
1004
1003

Ozone (du)

343
342
344
346
348
351
354
356
366
375
385
389
392
396
395
394
393
394
394

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

Generated: 16/03/26 07:25:55. Forecast: 16/03/26 to 22/03/26. Timezone: UTC-4.00