Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 21

Waning Gibbous 90%

20:14

08:13

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
21 OK
22 OK
23 Good
00 Good
01 Good
02 Good
03 Good

Sun - Rise: 06:47, Set: 17:29, Transit: 12:08. Moon - Rise: 20:14, Set: 08:13. Civil Dark: 18:00 - 06:16. Nautical Dark: 18:35 - 05:41. Astro Dark: 19:10 - 05:06

Total Clouds (% Sky Obscured)

100
100
99
99
100
100
100
95
99
99
100
100
99
93
98
100
95
36
14
1
2
0
0
0

Low Clouds (% Sky Obscured)

100
100
99
99
100
100
100
95
99
99
100
100
99
91
96
100
95
36
14
1
2
0
0
0

Medium Clouds (% Sky Obscured)

98
86
84
86
18
3
40
48
77
37
91
52
94
88
77
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)

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

Precipitation Type

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

Precipitation Probability (%)

24
23
19
17
18
12
16
15
19
21
23
22
20
14
11
7
4
3
2
1
0
1
0
0

Precipitation Amount (mm)

0.95
0.81
0.52
0.28
0.21
0.09
0.09
0.04
0.04
0.05
0.07
0.05
0.1
0.09
0.1
0.1
0.06
0.02
0.01
0.01
0
0.01
0
0

Wind Speed/Direction (mph)

5
4
3
5
6
7
9
10
13
14
14
14
13
14
14
13
12
10
9
9
9
9
8
8

Chance of Frost

Temperature (°C)

-12
-12
-11
-10
-9
-7
-5
-4
-3
-2
-2
-2
-2
-3
-4
-5
-5
-6
-7
-8
-9
-9
-10
-10

Feels Like (°C)

-16
-15
-14
-14
-14
-12
-11
-10
-9
-8
-8
-8
-8
-9
-10
-11
-12
-13
-13
-14
-15
-16
-16
-16

Dew Point (°C)

-12
-12
-12
-11
-10
-8
-6
-5
-4
-3
-3
-3
-4
-5
-6
-7
-8
-9
-9
-10
-11
-11
-12
-12

Relative Humidity (%)

94
95
94
91
91
93
94
94
92
91
90
89
87
86
84
83
84
85
86
87
88
87
87
88

Pressure (mb)

1010
1009
1008
1007
1006
1005
1005
1005
1004
1004
1005
1005
1006
1007
1009
1011
1013
1015
1017
1018
1019
1019
1020
1022

Ozone (du)

297
300
304
308
315
323
331
337
342
346
349
350
351
351
351
350
348
345
344
345
348
351
353
354

Friday 22

Waning Gibbous 81%

21:30

08:41

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

Sun - Rise: 06:45, Set: 17:31, Transit: 12:08. Moon - Rise: 21:30, Set: 08:41. Civil Dark: 18:01 - 06:14. Nautical Dark: 18:36 - 05:39. Astro Dark: 19:11 - 05:04

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

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

Medium 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

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)

8
8
8
9
10
10
10
10
10
10
10
10
10
10
10
8
7
7
8
8
8
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
3
3
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.01
0.01
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-11
-11
-12
-12
-12
-11
-10
-9
-8
-6
-6
-5
-6
-7
-9
-11
-12
-12
-13
-13
-14
-15
-15
-15

Feels Like (°C)

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

Dew Point (°C)

-12
-13
-14
-14
-14
-13
-13
-12
-11
-11
-10
-10
-10
-11
-12
-12
-13
-14
-15
-15
-16
-16
-16
-16

Relative Humidity (%)

88
87
87
87
87
85
81
78
76
73
71
69
69
75
84
89
89
87
85
85
86
89
90
92

Pressure (mb)

1023
1024
1025
1027
1027
1028
1028
1029
1029
1029
1029
1029
1029
1030
1031
1032
1032
1033
1033
1033
1033
1033
1033
1033

Ozone (du)

355
354
352
350
348
345
343
340
339
337
335
334
334
333
334
334
336
338
340
340
341
341
342
344

Saturday 23

Waning Gibbous 78%

22:43

09:09

04 OK
05 Good
06 Good
07 Good
08 Good
09 OK
10 OK
11 Good
12 Good
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

Sun - Rise: 06:43, Set: 17:32, Transit: 12:08. Moon - Rise: 22:43, Set: 09:09. Civil Dark: 18:02 - 06:13. Nautical Dark: 18:37 - 05:38. Astro Dark: 19:12 - 05:03

Total Clouds (% Sky Obscured)

0
0
2
4
2
18
9
2
10
64
84
90
51
100
100
100
100
99
99
97
97
97
97
97

Low Clouds (% Sky Obscured)

0
0
2
4
2
18
9
2
10
27
0
0
0
0
0
2
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
56
84
90
51
98
99
100
88
96
95
91
92
26
26
26

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
49
99
99
99
100
98
98
75
93
96
96
96

ISS Passover

Visibility (miles)

8
8
8
8
9
10
10
10
10
10
10
10
10
10
7
4
2
1
1
1
0
1
1
1

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.01
0.02
0.02
0.02
0.02
0.02
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-15
-15
-14
-14
-12
-9
-6
-4
-3
-2
-1
-1
-1
-2
-4
-6
-6
-7
-7
-7
-7
-6
-7
-7

Feels Like (°C)

-19
-19
-18
-18
-16
-13
-10
-9
-7
-6
-5
-4
-3
-4
-4
-6
-9
-10
-10
-11
-11
-12
-12
-13

Dew Point (°C)

-16
-16
-16
-15
-13
-10
-8
-6
-6
-5
-5
-5
-5
-5
-6
-7
-7
-8
-8
-8
-8
-8
-8
-8

Relative Humidity (%)

91
91
91
92
93
90
87
85
83
80
77
75
74
79
87
91
93
93
93
93
93
92
92
91

Pressure (mb)

1033
1033
1033
1033
1032
1032
1031
1030
1030
1029
1028
1028
1027
1027
1027
1027
1027
1027
1026
1025
1024
1022
1021
1020

Ozone (du)

345
346
348
349
350
350
351
352
354
355
355
355
355
356
355
354
352
350
346
341
336
330
325
320

Sunday 24

Waning Gibbous 72%

23:54

09:38

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:41, Set: 17:33, Transit: 12:07. Moon - Rise: 23:54, Set: 09:38. Civil Dark: 18:04 - 06:11. Nautical Dark: 18:39 - 05:36. Astro Dark: 19:14 - 05:01

Total Clouds (% Sky Obscured)

97
97
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98

Low Clouds (% Sky Obscured)

0
0
0
35
35
35
35
35
35
98
98
98
98
98
98
100
100
100
100
100
100
55
55
55

Medium Clouds (% Sky Obscured)

26
26
26
92
92
92
92
92
92
99
99
99
99
99
99
100
100
100
100
100
100
91
91
91

High Clouds (% Sky Obscured)

96
96
96
100
100
100
100
100
100
36
36
36
36
36
36
47
47
47
47
47
47
92
92
92

ISS Passover

Visibility (miles)

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

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

5
7
11
15
22
36
39
40
39
42
45
41
39
40
43
47
46
44
38
31
28
27
27
27

Precipitation Amount (mm)

0.05
0.1
0.24
0.44
0.65
0.98
1.42
2.07
2.89
3.49
2.87
2.18
1.63
1.3
1.04
0.86
0.83
0.88
0.9
0.76
0.58
0.44
0.37
0.33

Wind Speed/Direction (mph)

11
12
14
16
17
17
18
18
19
19
14
14
13
12
11
10
10
11
12
12
11
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
89
87
87
91
93
94
96
97
98
96
97
96
96
96
96
95
94
94
94
93
93
91
91

Pressure (mb)

1018
1016
1014
1011
1009
1006
1003
1000
997
995
993
991
990
989
988
987
986
985
984
984
983
983
983
983

Ozone (du)

315
311
308
305
302
300
300
302
306
309
309
309
310
316
324
331
336
340
344
349
352
356
358
360

Monday 25

Waning Gibbous 61%

01:01

10:08

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:40, Set: 17:35, Transit: 12:07. Moon - Rise: 01:01, Set: 10:08. Civil Dark: 18:05 - 06:09. Nautical Dark: 18:40 - 05:34. Astro Dark: 19:15 - 04:59

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

55
55
55
97
97
97
97
97
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

91
91
91
52
52
52
52
52
52
96
96
96
96
96
96
1
1
1
1
1
1
0
0
0

High Clouds (% Sky Obscured)

92
92
92
89
89
89
89
89
89
91
91
91
91
91
91
24
24
24
24
24
24
0
0
0

ISS Passover

Visibility (miles)

2
2
2
2
3
5
6
6
5
5
5
5
6
7
7
9
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

25
15
10
8
10
10
12
13
13
11
11
9
7
5
4
2
2
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.28
0.22
0.16
0.11
0.08
0.07
0.06
0.05
0.05
0.05
0.04
0.03
0.03
0.02
0.02
0.02
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-2
-3
-5
-6
-8
-9
-11
-11
-12
-12
-12
-12
-13
-13
-14
-15
-16
-16
-17
-17
-18
-18
-19
-20

Feels Like (°C)

-8
-10
-12
-15
-17
-19
-20
-21
-22
-22
-22
-22
-23
-23
-24
-25
-26
-26
-27
-28
-28
-28
-29
-29

Dew Point (°C)

-3
-5
-8
-10
-12
-14
-15
-16
-16
-17
-17
-18
-19
-20
-20
-21
-22
-23
-24
-24
-25
-25
-26
-26

Relative Humidity (%)

89
84
77
72
70
68
67
67
67
66
65
63
60
58
57
57
57
56
56
56
56
55
55
56

Pressure (mb)

984
986
989
992
995
998
1000
1003
1005
1007
1009
1011
1013
1015
1017
1019
1020
1022
1023
1025
1026
1027
1029
1030

Ozone (du)

362
365
369
373
379
385
392
398
404
409
413
416
420
425
430
436
442
450
456
458
459
461
465
470

Tuesday 26

Third Quarter 50%

02:05

10:43

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 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK

Sun - Rise: 06:38, Set: 17:36, Transit: 12:07. Moon - Rise: 02:05, Set: 10:43. Civil Dark: 18:07 - 06:07. Nautical Dark: 18:42 - 05:33. Astro Dark: 19:17 - 04:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
84
84
84
84
84
84
10
10
10
10
10
10
0
0
0

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
70
70
70
70
70
70
10
10
10
10
10
10
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
1
1
1
1
1
1
69
69
69
69
69
69
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)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
5
1
1
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
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
3
4
5
5
5
4
3
3
4
3
4
8
12
12
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.01
0.01
0.02
0.03
0.03
0.03
0.04
0.05
0.07
0.08
0.1
0.13
0.15
0.12
0.09

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-20
-21
-22
-23
-22
-20
-18
-16
-15
-13
-12
-11
-11
-12
-14
-15
-16
-16
-15
-15
-15
-15
-15
-15

Feels Like (°C)

-29
-30
-30
-30
-29
-26
-24
-22
-21
-19
-18
-17
-17
-17
-19
-20
-20
-16
-15
-19
-19
-19
-20
-20

Dew Point (°C)

-27
-27
-28
-28
-27
-26
-24
-22
-21
-19
-19
-18
-18
-19
-20
-20
-20
-20
-20
-19
-19
-19
-19
-19

Relative Humidity (%)

57
57
59
61
61
61
59
60
60
59
58
58
58
59
62
65
67
69
70
71
72
72
72
72

Pressure (mb)

1031
1032
1033
1034
1034
1035
1035
1034
1033
1032
1032
1031
1031
1031
1031
1031
1031
1030
1029
1028
1028
1027
1026
1024

Ozone (du)

474
478
481
482
479
473
466
457
446
438
437
439
437
431
421
410
400
389
378
366
353
343
337
334

Wednesday 27

Waning Crescent 40%

03:03

11:21

04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 OK
12 OK
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

Sun - Rise: 06:36, Set: 17:38, Transit: 12:07. Moon - Rise: 03:03, Set: 11:21. Civil Dark: 18:08 - 06:06. Nautical Dark: 18:43 - 05:31. Astro Dark: 19:18 - 04:56

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
4

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
99
99
99
99
99
99
100
100
100
100
100
100
99
99
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
99
99
99
99
99
99
68
68
68
68
68
68
0
0
0

ISS Passover

Visibility (miles)

1
1
1
1
1
0
0
1
1
2
5
8
10
10
10
10
10
9
8
10
10
10
10
10

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

Precipitation Probability (%)

10
16
20
26
29
29
28
26
26
23
14
9
8
7
6
4
3
3
3
3
2
1
1
0

Precipitation Amount (mm)

0.1
0.14
0.21
0.28
0.37
0.46
0.51
0.51
0.45
0.38
0.29
0.2
0.13
0.08
0.04
0.02
0.02
0.02
0.02
0.02
0.02
0.01
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-16
-16
-17
-17
-17
-16
-15
-14
-12
-11
-9
-6
-5
-6
-8
-10
-12
-13
-14
-15
-17
-18
-19
-20

Feels Like (°C)

-22
-23
-24
-24
-24
-22
-22
-21
-19
-17
-15
-13
-11
-12
-14
-17
-18
-19
-21
-21
-23
-26
-27
-27

Dew Point (°C)

-19
-20
-20
-20
-20
-20
-20
-19
-18
-17
-15
-12
-11
-12
-14
-16
-16
-17
-18
-19
-21
-23
-24
-25

Relative Humidity (%)

74
76
76
76
74
69
67
64
61
60
60
63
62
61
62
65
69
73
74
72
69
67
66
65

Pressure (mb)

1023
1022
1021
1020
1020
1019
1018
1017
1015
1014
1013
1012
1012
1012
1013
1014
1016
1017
1018
1019
1019
1020
1021
1021

Ozone (du)

332
330
328
327
326
326
326
326
327
328
331
335
339
342
345
349
355
362
369
374
379
387
401
417

Forecast for Saint-Zénon, Matawinie Regional County Municipality, CA (46.53,-73.70)

Generated: 21/02/19 04:47:55. Forecast: 21/02/19 to 27/02/19. Timezone: UTC-5.00