Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 21

Waning Gibbous 90%

20:17

08:16

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 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good

Sun - Rise: 06:50, Set: 17:33, Transit: 12:11. Moon - Rise: 20:17, Set: 08:16. Civil Dark: 18:03 - 06:19. Nautical Dark: 18:38 - 05:44. Astro Dark: 19:13 - 05:10

Total Clouds (% Sky Obscured)

100
100
98
99
99
99
98
86
100
100
100
97
99
99
95
94
22
9
2
1
2
1
2
0

Low Clouds (% Sky Obscured)

100
100
98
99
99
99
97
85
100
100
99
96
98
98
95
94
22
9
2
1
2
1
2
0

Medium Clouds (% Sky Obscured)

95
76
33
23
65
91
86
58
100
96
97
94
97
99
86
71
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)

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

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 (%)

97
93
47
26
21
27
27
33
34
36
35
32
25
16
11
6
3
2
2
2
1
0
0
0

Precipitation Amount (mm)

0.7
0.07
0.39
0.36
0.23
0.23
0.14
0.17
0.17
0.23
0.25
0.24
0.21
0.15
0.15
0.1
0.05
0.03
0.01
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

2
1
3
6
8
9
10
11
12
12
12
13
13
11
12
11
10
9
8
7
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
89
89
89
90
89
85
82
80
79
76
76
77
78
77
76
75
75
78
81
83
84
84

Pressure (mb)

1008
1007
1006
1006
1006
1006
1006
1006
1006
1007
1007
1008
1009
1011
1012
1014
1016
1018
1019
1020
1021
1022
1023
1024

Ozone (du)

300
305
310
316
322
327
331
333
335
336
336
336
335
334
332
331
329
329
332
337
340
343
344
344

Friday 22

Waning Gibbous 81%

21:33

08:45

05 OK
06 OK
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 Good
03 Good
04 OK

Sun - Rise: 06:48, Set: 17:34, Transit: 12:11. Moon - Rise: 21:33, Set: 08:45. Civil Dark: 18:05 - 06:18. Nautical Dark: 18:40 - 05:43. Astro Dark: 19:14 - 05:08

Total Clouds (% Sky Obscured)

0
0
0
0
6
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4

Low Clouds (% Sky Obscured)

0
0
0
0
6
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4

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)

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

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-17
-17
-17
-15
-14
-12
-11
-10
-9
-8
-8
-10
-12
-13
-13
-13
-13
-11
-12
-12
-12
-12
-12

Dew Point (°C)

-12
-13
-13
-13
-12
-12
-11
-11
-10
-10
-10
-10
-10
-11
-11
-12
-12
-13
-13
-14
-14
-14
-14
-13

Relative Humidity (%)

85
86
86
84
80
76
73
70
66
64
62
63
68
77
82
83
82
81
82
84
86
87
87
87

Pressure (mb)

1025
1026
1027
1028
1029
1029
1030
1030
1030
1030
1030
1030
1031
1032
1032
1033
1033
1033
1033
1033
1033
1033
1033
1033

Ozone (du)

342
340
337
334
332
329
327
326
325
324
323
322
323
324
326
328
329
330
330
329
329
329
330
332

Saturday 23

Waning Gibbous 72%

22:46

09:13

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

Sun - Rise: 06:46, Set: 17:36, Transit: 12:11. Moon - Rise: 22:46, Set: 09:13. Civil Dark: 18:06 - 06:16. Nautical Dark: 18:41 - 05:41. Astro Dark: 19:16 - 05:06

Total Clouds (% Sky Obscured)

9
8
2
2
2
4
3
17
77
97
87
93
100
98
99
100
100
100
96
96
97
97
97
97

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

1
1
0
0
0
0
0
16
77
97
85
88
95
91
97
81
95
94
35
37
44
44
44
44

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
34
27
59
99
95
96
100
100
100
95
96
97
97
97
97

ISS Passover

Visibility (miles)

6
6
6
6
6
7
9
10
10
10
10
10
10
8
6
7
8
9
10
10
10
9
6
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
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
Snow

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0
0.01
0
0.01
0.02
0.02
0.02
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0.01
0.03
0.08

Wind Speed/Direction (mph)

2
2
2
3
4
5
5
5
5
5
4
4
4
3
3
4
5
7
8
10
11
12
14
15

Chance of Frost

Temperature (°C)

-12
-11
-11
-9
-7
-5
-4
-2
-1
-0
0
-0
-1
-3
-5
-5
-5
-5
-5
-4
-4
-4
-4
-4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
90
89
87
84
81
78
74
72
70
70
75
83
88
88
85
83
83
83
83
83
83
82

Pressure (mb)

1033
1033
1033
1033
1032
1032
1031
1030
1029
1029
1028
1028
1027
1027
1027
1026
1026
1025
1023
1022
1021
1019
1017
1015

Ozone (du)

334
337
339
340
342
342
343
343
343
343
344
344
345
346
346
344
340
336
332
327
322
317
312
308

Sunday 24

Waning Gibbous 68%

23:57

09:42

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
04 Bad

Sun - Rise: 06:44, Set: 17:37, Transit: 12:11. Moon - Rise: 23:57, Set: 09:42. Civil Dark: 18:08 - 06:14. Nautical Dark: 18:42 - 05:39. Astro Dark: 19:17 - 05:05

Total Clouds (% Sky Obscured)

97
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99

Low Clouds (% Sky Obscured)

0
0
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
65
65
65
65

Medium Clouds (% Sky Obscured)

44
44
100
100
100
100
100
100
99
99
99
99
99
99
100
100
100
100
100
100
98
98
98
98

High Clouds (% Sky Obscured)

97
97
100
100
100
100
100
100
47
47
47
47
47
47
99
99
99
99
99
99
92
92
92
92

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

10
19
24
26
38
39
39
38
39
46
50
59
67
67
61
59
55
42
32
33
33
30
25
22

Precipitation Amount (mm)

0.15
0.33
0.55
0.75
1.12
1.56
1.85
2.08
2.22
2.47
2.05
1.73
1.62
1.58
1.44
1.06
0.67
0.48
0.48
0.59
0.66
0.63
0.58
0.53

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
85
87
88
88
89
91
92
90
91
89
86
84
82
82
81
81
81
82
81
78
75
72

Pressure (mb)

1013
1010
1008
1005
1002
1000
997
994
992
991
989
988
987
986
986
985
985
984
984
984
984
985
986
988

Ozone (du)

305
303
301
299
297
298
303
311
316
317
315
315
318
324
330
337
345
351
352
352
353
356
360
364

Monday 25

Waning Gibbous 61%

01:04

10:13

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
04 Bad

Sun - Rise: 06:43, Set: 17:39, Transit: 12:11. Moon - Rise: 01:04, Set: 10:13. Civil Dark: 18:09 - 06:12. Nautical Dark: 18:44 - 05:38. Astro Dark: 19:18 - 05:03

Total Clouds (% Sky Obscured)

99
99
99
99
99
99
99
99
100
100
100
100
100
100
84
84
84
84
84
84
60
60
60
60

Low Clouds (% Sky Obscured)

65
65
91
91
91
91
91
91
100
100
100
100
100
100
84
84
84
84
84
84
59
59
59
59

Medium Clouds (% Sky Obscured)

98
98
99
99
99
99
99
99
92
92
92
92
92
92
0
0
0
0
0
0
1
1
1
1

High Clouds (% Sky Obscured)

92
92
17
17
17
17
17
17
50
50
50
50
50
50
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
1
1
2
3
4
4
4
4
4
5
6
6
6
7
10
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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
11
9
10
10
12
12
11
11
11
9
7
4
3
3
2
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.41
0.26
0.17
0.11
0.09
0.08
0.07
0.07
0.06
0.06
0.05
0.04
0.03
0.02
0.02
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
18
18
18
18
18
17
17
16
16
15
15
14
13
13
12
11
11
10
9
8
7
6

Chance of Frost

Temperature (°C)

-2
-3
-5
-6
-8
-8
-9
-9
-9
-10
-10
-10
-11
-11
-12
-13
-14
-14
-15
-15
-16
-16
-17
-18

Feels Like (°C)

-9
-11
-13
-15
-16
-17
-18
-18
-18
-19
-19
-19
-19
-20
-21
-21
-22
-23
-23
-24
-24
-24
-24
-25

Dew Point (°C)

-7
-9
-11
-13
-14
-15
-16
-16
-16
-17
-17
-18
-19
-19
-20
-21
-21
-22
-22
-23
-23
-24
-24
-24

Relative Humidity (%)

69
65
63
61
60
58
59
58
57
56
54
53
52
52
52
52
52
52
53
53
53
53
54
55

Pressure (mb)

990
993
996
999
1001
1004
1006
1008
1010
1011
1013
1015
1017
1019
1020
1022
1024
1025
1026
1027
1029
1030
1031
1032

Ozone (du)

368
373
378
383
388
393
398
404
410
415
420
425
432
440
446
450
452
455
458
461
464
468
472
475

Tuesday 26

Third Quarter 50%

02:07

10:47

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 Good
02 Good
03 Good
04 Good

Sun - Rise: 06:41, Set: 17:40, Transit: 12:11. Moon - Rise: 02:07, Set: 10:47. Civil Dark: 18:10 - 06:11. Nautical Dark: 18:45 - 05:36. Astro Dark: 19:20 - 05:00

Total Clouds (% Sky Obscured)

60
60
100
100
100
100
100
100
75
75
75
75
75
75
19
19
19
19
19
19
0
0
0
0

Low Clouds (% Sky Obscured)

59
59
100
100
100
100
100
100
75
75
75
75
75
75
19
19
19
19
19
19
0
0
0
0

Medium Clouds (% Sky Obscured)

1
1
8
8
8
8
8
8
2
2
2
2
2
2
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)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
7
7
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
Snow
Snow
Snow
Snow
Snow
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
4
5
5
5
4
3
3
3
6
8
9
9
7
5
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.01
0.03
0.05
0.06
0.06
0.06
0.07
0.1
0.11
0.12
0.12
0.11
0.07
0.03
0.02

Wind Speed/Direction (mph)

5
4
4
4
3
4
5
5
5
5
5
5
4
4
3
2
3
3
4
4
5
7
7
9

Chance of Frost

Temperature (°C)

-19
-20
-20
-19
-18
-16
-15
-13
-11
-10
-10
-10
-11
-12
-13
-13
-13
-12
-12
-12
-12
-12
-13
-13

Feels Like (°C)

-25
-26
-25
-24
-22
-21
-20
-18
-16
-15
-15
-14
-15
-16
-13
-13
-13
-16
-16
-17
-17
-18
-19
-20

Dew Point (°C)

-25
-26
-26
-25
-24
-23
-22
-21
-20
-19
-18
-18
-18
-19
-19
-19
-18
-18
-17
-17
-17
-17
-18
-18

Relative Humidity (%)

57
59
60
59
57
56
54
52
50
49
50
52
54
57
59
61
64
66
68
69
69
68
67
66

Pressure (mb)

1033
1034
1035
1035
1035
1035
1034
1034
1033
1032
1032
1031
1031
1031
1031
1030
1029
1029
1028
1027
1026
1025
1023
1022

Ozone (du)

476
476
473
465
454
445
441
439
437
433
429
423
413
402
390
379
367
357
347
339
333
329
328
327

Wednesday 27

Waning Crescent 40%

03:05

11:26

05 Good
06 OK
07 OK
08 OK
09 OK
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
04 Bad

Sun - Rise: 06:39, Set: 17:42, Transit: 12:10. Moon - Rise: 03:05, Set: 11:26. Civil Dark: 18:12 - 06:09. Nautical Dark: 18:46 - 05:34. Astro Dark: 19:21 - 04:58

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
100
100
100
100
100
100
100
100
100
100
100
100
93
93
93
93

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
36
36
36
36

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
100
100
100
100
100
100
100
100
100
100
100
100
93
93
93
93

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
100
100
100
100
100
100
18
18
18
18
18
18
0
0
0
0

ISS Passover

Visibility (miles)

6
4
2
1
0
0
1
3
5
6
6
7
8
8
8
8
8
7
6
4
4
7
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 (%)

7
11
18
25
29
30
28
28
21
13
9
7
6
4
4
3
3
3
3
3
3
3
0
0

Precipitation Amount (mm)

0.05
0.11
0.2
0.32
0.48
0.58
0.58
0.51
0.42
0.31
0.2
0.12
0.07
0.04
0.02
0.02
0.03
0.04
0.04
0.05
0.05
0.03
0
0

Wind Speed/Direction (mph)

9
9
9
8
7
5
8
8
9
10
10
11
10
10
9
8
8
8
4
3
7
5
5
4

Chance of Frost

Temperature (°C)

-14
-14
-14
-14
-14
-13
-11
-9
-8
-6
-4
-3
-4
-6
-9
-11
-12
-13
-14
-15
-16
-17
-19
-20

Feels Like (°C)

-21
-22
-22
-21
-20
-17
-18
-16
-14
-12
-10
-9
-10
-12
-15
-17
-18
-20
-18
-15
-22
-23
-24
-25

Dew Point (°C)

-19
-19
-19
-19
-19
-18
-17
-16
-14
-13
-12
-12
-13
-14
-15
-16
-17
-18
-19
-20
-21
-22
-24
-25

Relative Humidity (%)

67
68
69
68
66
64
63
61
59
55
52
50
51
54
59
63
66
68
68
66
65
63
62
62

Pressure (mb)

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

Ozone (du)

325
323
322
322
323
323
324
325
327
331
335
339
341
342
345
351
359
367
373
379
388
403
420
435

Forecast for Mont-Tremblant, Les Laurentides Regional County Municipality, CA (46.18,-74.57)

Generated: 21/02/19 05:22:21. Forecast: 21/02/19 to 27/02/19. Timezone: UTC-5.00