Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waning Crescent 19%

03:34

12:33

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 OK
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good

Sun - Rise: 07:26, Set: 16:42, Transit: 12:05. Moon - Rise: 03:34, Set: 12:33. Civil Dark: 17:15 - 06:54. Nautical Dark: 17:51 - 06:17. Astro Dark: 18:27 - 05:42

Total Clouds (% Sky Obscured)

98
92
95
95
92
91
94
93
98
90
88
88
46
31
4
1
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

92
72
70
71
81
86
91
88
98
88
84
78
43
28
2
1
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

98
62
88
91
88
85
83
77
52
45
57
63
12
12
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
80
38
0
0
0
0
0
1
0
16
42
1
0
3
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
7
7
6
6
6
6
6
6
8
10
10
10
10
10
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

Precipitation Type

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

Precipitation Probability (%)

27
54
5
6
6
10
10
12
10
7
4
2
2
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.13
0.06
0.05
0.04
0.04
0.08
0.06
0.07
0.07
0.05
0.04
0.01
0.04
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-12
-11
-10
-10
-9
-8
-8
-8
-9
-10
-11
-12
-12
-14
-15
-15
-16
-16
-17
-18
-17
-18
-18
-18

Feels Like (°C)

-18
-18
-17
-16
-14
-13
-13
-12
-13
-15
-17
-19
-18
-21
-21
-22
-22
-23
-24
-25
-23
-24
-25
-25

Dew Point (°C)

-14
-13
-13
-12
-12
-11
-11
-11
-12
-13
-15
-16
-17
-18
-19
-20
-20
-21
-21
-22
-22
-23
-23
-22

Relative Humidity (%)

86
84
83
82
78
77
81
82
80
77
73
73
66
72
71
71
71
71
71
71
61
61
62
66

Pressure (mb)

1005
1006
1006
1006
1006
1007
1008
1010
1011
1012
1013
1014
1015
1016
1017
1017
1018
1019
1020
1021
1022
1023
1024
1025

Ozone (du)

409
407
407
407
404
397
387
379
373
367
363
359
355
353
352
351
352
354
358
360
358
356
354
355

Monday 20

Waning Crescent 18%

04:42

13:08

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

Sun - Rise: 07:25, Set: 16:44, Transit: 12:05. Moon - Rise: 04:42, Set: 13:08. Civil Dark: 17:16 - 06:53. Nautical Dark: 17:52 - 06:17. Astro Dark: 18:28 - 05:42

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
54
72
48
38
0
0
0
0
0
0
0
0
0
0
4
0
0
0

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
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
54
72
48
38
0
0
0
0
0
0
0
0
0
0
4
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
1
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
9
9
8
8
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
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
0.01
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-25
-24
-24
-23
-22
-21
-20
-20
-21
-21
-21
-22
-22
-22
-22
-24
-25
-24
-24
-25
-25
-26
-26
-25

Dew Point (°C)

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

Relative Humidity (%)

72
75
74
73
71
67
65
63
64
67
68
69
69
68
65
72
72
61
60
60
60
61
64
66

Pressure (mb)

1025
1025
1026
1025
1025
1025
1025
1025
1025
1026
1026
1027
1027
1027
1027
1028
1028
1028
1028
1028
1029
1030
1030
1030

Ozone (du)

356
358
359
360
360
359
357
355
355
355
353
350
345
342
341
341
341
341
342
344
350
357
363
364

Tuesday 21

Waning Crescent 11%

05:45

13:49

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
07 Bad
08 Bad

Sun - Rise: 07:25, Set: 16:45, Transit: 12:05. Moon - Rise: 05:45, Set: 13:49. Civil Dark: 17:17 - 06:52. Nautical Dark: 17:54 - 06:16. Astro Dark: 18:29 - 05:41

Total Clouds (% Sky Obscured)

59
100
83
91
79
99
83
57
59
83
88
93
94
94
92
78
73
73
73
73
73
73
83
83

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
7
31
77
77
50
38
38
38
38
38
38
63
63

Medium Clouds (% Sky Obscured)

56
99
83
88
79
99
83
57
59
83
88
92
92
91
88
70
66
66
66
66
66
66
56
56

High Clouds (% Sky Obscured)

52
99
3
31
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
47
47

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
8
6
3
1
0
0
0
0
0
0
0
1
1
3
6
7
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
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.03
0.05
0.07
0.09
0.11
0.12
0.14
0.16
0.15
0.11
0.08
0.06
0.04
0.04
0.03
0.03
0.03
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-17
-15
-14
-12
-11
-9
-8
-7
-7
-7
-8
-8
-8
-8
-7
-6
-6
-6
-6
-6
-6
-6
-6
-6

Feels Like (°C)

-24
-23
-21
-19
-17
-15
-14
-12
-12
-12
-12
-12
-13
-13
-12
-11
-11
-10
-10
-10
-10
-10
-10
-10

Dew Point (°C)

-21
-19
-17
-15
-14
-12
-12
-11
-11
-11
-10
-10
-9
-9
-8
-8
-8
-7
-7
-7
-7
-7
-7
-7

Relative Humidity (%)

71
76
78
79
79
74
74
73
73
76
81
87
91
95
88
87
87
88
90
91
92
92
93
93

Pressure (mb)

1030
1030
1029
1029
1028
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1027
1027

Ozone (du)

363
363
364
366
368
370
373
375
374
373
371
369
367
364
361
357
354
353
353
352
352
351
350
349

Wednesday 22

Waning Crescent 5%

06:40

14:38

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
07 Bad
08 Bad

Sun - Rise: 07:24, Set: 16:46, Transit: 12:05. Moon - Rise: 06:40, Set: 14:38. Civil Dark: 17:19 - 06:51. Nautical Dark: 17:55 - 06:15. Astro Dark: 18:30 - 05:40

Total Clouds (% Sky Obscured)

83
83
83
83
98
98
98
98
98
98
95
95
95
95
95
95
91
91
91
91
91
91
94
94

Low Clouds (% Sky Obscured)

63
63
63
63
91
91
91
91
91
91
4
4
4
4
4
4
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

56
56
56
56
1
1
1
1
1
1
0
0
0
0
0
0
58
58
58
58
58
58
0
0

High Clouds (% Sky Obscured)

47
47
47
47
91
91
91
91
91
91
95
95
95
95
95
95
88
88
88
88
88
88
94
94

ISS Passover

Visibility (miles)

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

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 (%)

1
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
4
0
0
0
0
0
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
7
8
9
9
9
8
8
9
9
9
9
9
9
9
9
9
8
8
7
7
7
7
8

Chance of Frost

Temperature (°C)

-5
-4
-3
-1
0
0
-0
-1
-1
-1
-15
-16
-17
-16
-16
-18
-19
-18
-15
-11
-8
-7
-6
-6

Feels Like (°C)

-9
-9
-7
-6
-4
-4
-4
-5
-6
-6
-23
-25
-25
-24
-24
-26
-27
-26
-22
-17
-13
-12
-11
-12

Dew Point (°C)

-6
-6
-5
-4
-3
-3
-3
-3
-4
-4
-15
-16
-17
-16
-16
-18
-19
-18
-15
-11
-8
-8
-8
-7

Relative Humidity (%)

90
87
83
80
78
79
81
82
82
79
100
100
100
100
100
100
100
100
100
100
100
88
87
96

Pressure (mb)

1027
1027
1027
1026
1026
1025
1025
1025
1026
1026
1027
1027
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1028
1028

Ozone (du)

347
345
345
345
346
346
346
347
349
351
353
355
356
356
356
355
355
355
356
357
358
359
360
361

Thursday 23

Waning Crescent 2%

07:27

15:33

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 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:23, Set: 16:48, Transit: 12:06. Moon - Rise: 07:27, Set: 15:33. Civil Dark: 17:20 - 06:51. Nautical Dark: 17:56 - 06:15. Astro Dark: 18:31 - 05:39

Total Clouds (% Sky Obscured)

94
94
94
94
98
98
98
98
98
98
23
23
23
23
23
23
98
98
98
98
98
98
70
70

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
0
18
18

Medium Clouds (% Sky Obscured)

0
0
0
0
21
21
21
21
21
21
18
18
18
18
18
18
92
92
92
92
92
92
61
61

High Clouds (% Sky Obscured)

94
94
94
94
97
97
97
97
97
97
6
6
6
6
6
6
91
91
91
91
91
91
15
15

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
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

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

Precipitation Probability (%)

1
4
7
10
11
11
0
0
0
0
0
0
0
2
0
6
6
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-7
-9
-11
-13
-14
-13
-12
-12
-11
-10
-8
-5
-6
-8
-14
-18
-17
-14
-10
-5
-3
-3
-4
-3

Feels Like (°C)

-12
-15
-17
-20
-20
-19
-17
-17
-16
-15
-12
-9
-11
-14
-20
-25
-24
-20
-15
-9
-7
-7
-7
-6

Dew Point (°C)

-7
-9
-11
-13
-14
-13
-12
-12
-11
-10
-8
-5
-6
-8
-14
-18
-17
-14
-10
-5
-3
-4
-4
-4

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
92
95
89

Pressure (mb)

1028
1028
1027
1026
1026
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027

Ozone (du)

363
364
363
362
361
362
363
364
365
366
367
368
369
370
371
373
374
376
377
379
383
386
389
390

Friday 24

New Moon 0%

08:06

16:33

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
07 Bad
08 Bad

Sun - Rise: 07:22, Set: 16:49, Transit: 12:06. Moon - Rise: 08:06, Set: 16:33. Civil Dark: 17:21 - 06:50. Nautical Dark: 17:57 - 06:14. Astro Dark: 18:32 - 05:39

Total Clouds (% Sky Obscured)

70
70
70
70
92
92
92
92
92
92
98
98
98
98
98
98
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

18
18
18
18
8
8
8
8
8
8
0
0
0
0
0
0
2
2
2
2
2
2
7
7

Medium Clouds (% Sky Obscured)

61
61
61
61
43
43
43
43
43
43
34
34
34
34
34
34
86
86
86
86
86
86
97
97

High Clouds (% Sky Obscured)

15
15
15
15
88
88
88
88
88
88
98
98
98
98
98
98
100
100
100
100
100
100
99
99

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
4
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
None
None
None
None
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
3
4
8
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0
0
0
0
0
0
0.02
0.09
0.18
0.21

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-6
-7
-10
-13
-15
-14
-13
-11
-14
-15
-12
-11
-11
-15
-16
-16
-14
-11
-11
-11
-12
-14
-14

Dew Point (°C)

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

Relative Humidity (%)

90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
89
84
83
85
90
92

Pressure (mb)

1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023
1023
1023
1024
1023
1023

Ozone (du)

390
390
391
392
392
393
393
393
392
391
390
389
388
387
386
386
385
386
386
386
385
383
382
380

Saturday 25

Waxing Crescent 1%

08:39

17:36

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
07 Bad
08 Bad

Sun - Rise: 07:21, Set: 16:51, Transit: 12:06. Moon - Rise: 08:39, Set: 17:36. Civil Dark: 17:23 - 06:49. Nautical Dark: 17:59 - 06:13. Astro Dark: 18:34 - 05:38

Total Clouds (% Sky Obscured)

99
99
99
99
94
94
94
94
94
94
88
88
88
88
88
88
88
88
88
88
88
88
95
95

Low Clouds (% Sky Obscured)

7
7
7
7
4
4
4
4
4
4
35
35
35
35
35
35
56
56
56
56
56
56
56
56

Medium Clouds (% Sky Obscured)

97
97
97
97
93
93
93
93
93
93
14
14
14
14
14
14
51
51
51
51
51
51
92
92

High Clouds (% Sky Obscured)

99
99
99
99
82
82
82
82
82
82
81
81
81
81
81
81
59
59
59
59
59
59
0
0

ISS Passover

Visibility (miles)

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

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

12
11
14
13
15
16
16
22
21
19
18
21
28
34
33
34
35
35
36
34
34
21
12
11

Precipitation Amount (mm)

0.21
0.23
0.3
0.4
0.49
0.51
0.51
0.49
0.44
0.39
0.38
0.43
0.52
0.61
0.66
0.71
0.78
0.91
1.07
1.11
0.91
0.62
0.39
0.25

Wind Speed/Direction (mph)

9
10
10
11
11
11
11
11
11
12
13
13
13
13
13
13
13
13
12
12
11
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-14
-12
-11
-9
-7
-6
-6
-7
-10
-11
-12
-12
-12
-12
-11
-11
-11
-10
-10
-11
-11
-12
-12
-12

Dew Point (°C)

-9
-7
-7
-6
-6
-6
-6
-6
-7
-8
-8
-8
-8
-7
-7
-6
-6
-6
-6
-6
-6
-7
-7
-7

Relative Humidity (%)

92
91
87
79
74
69
71
74
77
79
80
82
84
84
87
88
88
90
90
91
90
90
93
91

Pressure (mb)

1023
1023
1022
1021
1021
1020
1019
1018
1018
1017
1017
1016
1016
1015
1014
1013
1012
1011
1010
1010
1009
1009
1009
1009

Ozone (du)

377
376
374
373
372
373
375
375
373
370
368
368
369
369
367
365
364
367
371
376
381
386
391
396

Forecast for Montreal, Montreal, CA (45.50,-73.57)

Generated: 19/01/20 09:23:03. Forecast: 19/01/20 to 25/01/20. Timezone: UTC-5.00