Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 21

Waning Gibbous 90%

20:16

08:15

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

Sun - Rise: 06:49, Set: 17:32, Transit: 12:10. Moon - Rise: 20:16, Set: 08:15. Civil Dark: 18:02 - 06:18. Nautical Dark: 18:37 - 05:44. Astro Dark: 19:12 - 05:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
100
100
100
100
98
99
100
99
95
93
45
25
6
2
1
1
0
0

Low Clouds (% Sky Obscured)

100
100
100
100
100
98
100
100
100
100
98
99
99
98
94
93
45
25
6
2
1
1
0
0

Medium Clouds (% Sky Obscured)

95
78
34
12
9
61
91
81
96
98
84
91
98
97
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)

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

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 (%)

98
93
49
26
26
30
32
35
36
38
35
31
24
14
10
5
3
2
2
1
1
0
0
0

Precipitation Amount (mm)

0.81
0.13
0.48
0.43
0.35
0.36
0.26
0.26
0.29
0.4
0.38
0.34
0.3
0.18
0.16
0.1
0.04
0.02
0.01
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

2
2
4
7
9
11
12
13
14
14
14
14
14
13
13
13
11
10
9
8
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
90
91
94
96
96
94
94
92
91
88
87
86
85
84
83
83
84
85
86
86
87
87

Pressure (mb)

1008
1007
1007
1006
1006
1006
1005
1005
1006
1006
1007
1008
1009
1010
1012
1014
1016
1018
1019
1020
1020
1021
1022
1024

Ozone (du)

300
305
310
316
322
328
332
335
337
339
339
340
339
338
337
336
333
333
336
340
344
346
347
347

Friday 22

Waning Gibbous 81%

21:32

08:44

05 OK
06 OK
07 OK
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 Good

Sun - Rise: 06:47, Set: 17:34, Transit: 12:10. Moon - Rise: 21:32, Set: 08:44. Civil Dark: 18:04 - 06:17. Nautical Dark: 18:39 - 05:42. Astro Dark: 19:13 - 05:07

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

0
0
0
0
4
0
0
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)

2
4
5
8
10
10
10
10
10
10
10
10
10
9
8
8
8
8
8
8
8
7
7
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-17
-18
-18
-18
-16
-15
-14
-12
-11
-11
-10
-11
-12
-14
-15
-15
-15
-15
-15
-12
-16
-13
-13
-12

Dew Point (°C)

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

Relative Humidity (%)

87
86
86
86
83
79
76
73
71
69
69
69
74
81
85
86
84
83
84
86
87
88
88
88

Pressure (mb)

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

Ozone (du)

345
343
340
338
335
332
330
329
328
326
325
325
325
326
327
329
331
332
332
332
332
332
333
335

Saturday 23

Waning Gibbous 72%

22:46

09:12

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

Sun - Rise: 06:45, Set: 17:35, Transit: 12:10. Moon - Rise: 22:46, Set: 09:12. Civil Dark: 18:05 - 06:15. Nautical Dark: 18:40 - 05:40. Astro Dark: 19:15 - 05:06

Total Clouds (% Sky Obscured)

4
3
2
3
2
2
2
6
73
97
100
85
100
98
100
100
100
100
98
97
97
97
97
97

Low Clouds (% Sky Obscured)

4
2
2
3
2
2
2
1
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
5
73
96
100
85
98
97
97
96
95
63
81
35
37
37
37
37

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
56
72
0
98
91
100
100
99
100
96
96
97
97
97
97

ISS Passover

Visibility (miles)

6
6
7
7
7
8
10
10
10
10
10
10
10
8
6
6
7
7
7
7
7
5
3
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
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
Snow

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-12
-12
-11
-10
-8
-6
-4
-3
-2
-1
-1
-1
-2
-4
-5
-6
-6
-6
-6
-5
-5
-5
-5
-5

Feels Like (°C)

-12
-15
-15
-14
-12
-10
-8
-7
-5
-4
-4
-3
-4
-4
-5
-9
-10
-10
-11
-11
-11
-11
-11
-11

Dew Point (°C)

-14
-13
-13
-11
-9
-8
-6
-6
-5
-5
-5
-5
-6
-6
-7
-7
-8
-8
-8
-7
-7
-7
-7
-7

Relative Humidity (%)

88
89
91
92
90
87
84
82
78
75
74
73
78
85
90
91
89
87
87
87
87
86
86
85

Pressure (mb)

1033
1033
1033
1032
1032
1031
1031
1030
1029
1028
1028
1028
1027
1027
1027
1026
1026
1025
1024
1023
1021
1020
1018
1016

Ozone (du)

337
339
341
342
343
344
345
345
346
346
347
347
348
348
348
346
343
339
334
328
323
318
313
309

Sunday 24

Waning Gibbous 68%

23:56

09:41

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: 17:36, Transit: 12:10. Moon - Rise: 23:56, Set: 09:41. Civil Dark: 18:07 - 06:13. Nautical Dark: 18:41 - 05:39. Astro Dark: 19:16 - 05:04

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

0
0
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
74
74
74
74

Medium Clouds (% Sky Obscured)

37
37
100
100
100
100
100
100
99
99
99
99
99
99
100
100
100
100
100
100
97
97
97
97

High Clouds (% Sky Obscured)

97
97
100
100
100
100
100
100
65
65
65
65
65
65
84
84
84
84
84
84
90
90
90
90

ISS Passover

Visibility (miles)

1
1
1
1
1
1
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
Snow
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

10
20
25
29
38
41
40
41
43
44
42
47
56
63
60
57
51
37
30
31
31
30
27
24

Precipitation Amount (mm)

0.16
0.4
0.69
0.89
1.23
1.7
2.07
2.4
2.59
2.6
2.08
1.67
1.49
1.37
1.21
0.9
0.61
0.46
0.46
0.56
0.62
0.58
0.51
0.44

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
87
89
90
91
92
95
97
93
94
94
91
92
92
91
91
92
92
92
91
89
87
85

Pressure (mb)

1014
1011
1009
1006
1003
1001
998
995
993
991
990
988
987
986
986
985
985
984
984
983
984
984
985
987

Ozone (du)

306
304
302
299
297
298
303
311
316
316
313
313
317
323
330
337
343
349
351
352
353
356
359
363

Monday 25

Waning Gibbous 61%

01:03

10:12

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: 06:42, Set: 17:38, Transit: 12:10. Moon - Rise: 01:03, Set: 10:12. Civil Dark: 18:08 - 06:12. Nautical Dark: 18:43 - 05:37. Astro Dark: 19:18 - 05:02

Total Clouds (% Sky Obscured)

98
98
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)

74
74
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99

Medium Clouds (% Sky Obscured)

97
97
98
98
98
98
98
98
94
94
94
94
94
94
2
2
2
2
2
2
0
0
0
0

High Clouds (% Sky Obscured)

90
90
53
53
53
53
53
53
78
78
78
78
78
78
9
9
9
9
9
9
0
0
0
0

ISS Passover

Visibility (miles)

1
1
1
2
3
4
4
4
4
4
5
5
6
6
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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
11
9
10
10
13
13
12
11
11
10
8
5
3
3
2
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.35
0.24
0.16
0.12
0.1
0.09
0.09
0.08
0.07
0.06
0.05
0.03
0.03
0.03
0.02
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
17
19
19
19
19
18
18
18
17
17
16
16
15
14
14
13
12
12
11
10
9
8
7

Chance of Frost

Temperature (°C)

-4
-5
-7
-8
-9
-11
-11
-12
-12
-12
-12
-12
-13
-13
-14
-15
-15
-16
-16
-17
-17
-18
-18
-19

Feels Like (°C)

-11
-13
-15
-17
-19
-20
-21
-21
-21
-22
-22
-22
-22
-23
-23
-24
-25
-25
-26
-26
-26
-26
-26
-26

Dew Point (°C)

-6
-9
-11
-13
-15
-16
-16
-17
-17
-17
-18
-18
-19
-20
-21
-21
-22
-23
-23
-24
-24
-24
-25
-25

Relative Humidity (%)

80
75
71
69
67
65
66
66
65
64
62
60
58
57
56
56
56
56
56
56
55
56
56
57

Pressure (mb)

989
992
995
998
1000
1003
1005
1007
1009
1011
1012
1014
1016
1018
1020
1022
1023
1025
1026
1027
1028
1030
1031
1032

Ozone (du)

367
372
377
382
388
393
398
404
409
414
418
424
430
437
443
447
451
454
457
460
463
468
472
475

Tuesday 26

Third Quarter 50%

02:07

10:46

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 Good
04 Good

Sun - Rise: 06:40, Set: 17:39, Transit: 12:10. Moon - Rise: 02:07, Set: 10:46. Civil Dark: 18:09 - 06:10. Nautical Dark: 18:44 - 05:35. Astro Dark: 19:19 - 04:59

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
71
71
71
71
71
71
30
30
30
30
30
30
0
0
0
0

Low Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
65
65
65
65
65
65
30
30
30
30
30
30
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
27
27
27
27
27
27
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
7
4
3
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
Snow
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
5
6
5
4
3
3
3
5
8
9
11
9
7
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.02
0.04
0.05
0.05
0.06
0.07
0.09
0.1
0.11
0.12
0.13
0.08
0.04
0.04

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-20
-21
-22
-21
-19
-17
-15
-14
-12
-12
-11
-11
-12
-13
-14
-14
-14
-14
-14
-13
-13
-14
-14
-14

Feels Like (°C)

-27
-27
-27
-26
-19
-22
-21
-19
-18
-17
-16
-16
-17
-18
-18
-14
-14
-17
-17
-18
-13
-19
-20
-21

Dew Point (°C)

-26
-27
-27
-26
-25
-23
-22
-21
-20
-19
-18
-18
-19
-20
-20
-20
-19
-18
-18
-17
-17
-18
-18
-19

Relative Humidity (%)

58
60
62
62
60
58
57
56
54
54
55
56
58
60
61
64
66
69
71
72
72
71
70
70

Pressure (mb)

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

Ozone (du)

477
478
476
469
459
450
445
440
437
434
432
428
418
406
395
384
373
362
352
342
335
331
329
328

Wednesday 27

Waning Crescent 40%

03:05

11:25

05 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
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: 06:38, Set: 17:41, Transit: 12:10. Moon - Rise: 03:05, Set: 11:25. Civil Dark: 18:11 - 06:08. Nautical Dark: 18:46 - 05:33. Astro Dark: 19:20 - 04:57

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
100
100
100
100
100
100
100
100
100
100
100
100
94
94
94
94

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
51
51
51
51

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
100
100
100
100
100
100
100
100
100
100
100
100
94
94
94
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
100
100
100
100
100
100
26
26
26
26
26
26
0
0
0
0

ISS Passover

Visibility (miles)

3
2
1
1
0
0
1
3
4
5
6
6
6
6
5
4
4
3
3
3
3
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
Snow
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
15
22
28
31
31
30
31
26
15
9
8
7
6
5
4
4
4
4
4
4
3
2
0

Precipitation Amount (mm)

0.08
0.16
0.26
0.39
0.54
0.64
0.65
0.59
0.5
0.37
0.24
0.15
0.1
0.07
0.05
0.05
0.05
0.05
0.07
0.08
0.08
0.04
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-15
-15
-16
-15
-14
-14
-12
-10
-9
-7
-6
-5
-6
-8
-10
-12
-13
-14
-15
-16
-17
-18
-20
-21

Feels Like (°C)

-22
-22
-22
-22
-20
-20
-19
-17
-15
-13
-12
-11
-12
-15
-17
-18
-19
-21
-21
-23
-24
-25
-26
-27

Dew Point (°C)

-19
-20
-20
-20
-19
-19
-18
-16
-15
-14
-13
-12
-13
-14
-16
-16
-17
-18
-19
-21
-22
-23
-25
-26

Relative Humidity (%)

70
70
70
69
66
65
63
62
61
59
58
56
56
60
65
68
71
72
71
69
66
65
64
64

Pressure (mb)

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

Ozone (du)

326
324
323
323
323
324
324
325
327
330
335
339
341
343
346
352
360
368
374
380
388
403
420
434

Forecast for Saint-Donat-de-Montcalm, Matawinie Regional County Municipality, CA (46.28,-74.36)

Generated: 21/02/19 05:17:20. Forecast: 21/02/19 to 27/02/19. Timezone: UTC-5.00