Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

First Quarter 49%

14:16

23:00

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

Sun - Rise: 06:44, Set: 18:48, Transit: 12:46. Moon - Rise: 14:16, Set: 23:00. Civil Dark: 19:17 - 06:14. Nautical Dark: 19:52 - 05:40. Astro Dark: 20:27 - 05:04

Total Clouds (% Sky Obscured)

23
14
23
40
100
100
32
27
47
46
26
95
35
38
9
4
9
13
14
0
0
0
7
17

Low Clouds (% Sky Obscured)

23
13
15
16
48
39
27
16
14
38
24
84
9
7
1
0
7
13
13
0
0
0
3
6

Medium Clouds (% Sky Obscured)

2
6
18
37
100
100
27
22
44
31
17
95
34
38
9
4
6
6
1
0
0
0
6
17

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
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

None
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
6
0
6
3
4
2
0
0
3
2
2
3
2
2
0
0
2
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.02
0.01
0.05
0.01
0
0
0.03
0.01
0.04
0.06
0.04
0.01
0
0
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
13
13
15
16
17
19
20
21
21
20
20
19
18
18
18
17
17
17
16
15
15

Feels Like (°C)

13
13
13
13
13
15
16
17
19
20
21
21
20
20
19
18
18
18
17
17
17
16
15
15

Dew Point (°C)

8
8
9
9
11
11
12
13
14
14
14
13
13
13
13
12
12
12
11
11
11
11
11
10

Relative Humidity (%)

75
75
76
78
83
82
79
77
71
67
64
63
62
64
68
70
69
68
67
67
68
70
73
75

Pressure (mb)

1008
1008
1008
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1009
1010
1010
1011
1011
1011
1011
1011
1011
1012
1012

Ozone (du)

298
298
300
301
301
302
302
302
303
304
304
304
305
304
303
303
302
301
301
301
302
303
304
305

Thursday 24

Waxing Gibbous 60%

15:18

23:55

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

Sun - Rise: 06:45, Set: 18:46, Transit: 12:45. Moon - Rise: 15:18, Set: 23:55. Civil Dark: 19:15 - 06:16. Nautical Dark: 19:50 - 05:41. Astro Dark: 20:25 - 05:06

Total Clouds (% Sky Obscured)

7
13
29
39
53
69
52
57
70
64
57
31
43
14
11
9
19
68
87
100
90
100
100
100

Low Clouds (% Sky Obscured)

2
0
1
0
2
0
0
3
70
59
40
23
6
12
10
9
8
20
84
100
89
100
100
100

Medium Clouds (% Sky Obscured)

7
13
28
23
44
48
52
57
23
19
21
14
10
10
7
5
6
20
64
98
28
35
43
52

High Clouds (% Sky Obscured)

0
0
2
24
20
43
0
0
0
5
23
8
37
2
0
0
13
59
2
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
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
4
9
11
7
4
2
0
0
0
0
0
2
0
0
1
2
2
2
2
0

Precipitation Amount (mm)

0
0
0
0
0.02
0.09
0.16
0.11
0.04
0.01
0
0
0
0
0
0.01
0
0
0.01
0.01
0.02
0.02
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
82
86
91
92
91
91
86
80
75
71
67
65
66
69
70
68
66
65
64
62
60
59
59

Pressure (mb)

1012
1012
1012
1013
1013
1014
1014
1014
1013
1013
1013
1013
1014
1014
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

305
304
303
301
300
300
300
301
301
302
302
302
302
303
304
305
306
306
306
306
305
305
306
308

Friday 25

Waxing Gibbous 70%

16:09

00:57

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

Sun - Rise: 06:46, Set: 18:44, Transit: 12:45. Moon - Rise: 16:09, Set: 00:57. Civil Dark: 19:13 - 06:17. Nautical Dark: 19:48 - 05:42. Astro Dark: 20:23 - 05:07

Total Clouds (% Sky Obscured)

98
92
81
62
67
77
41
32
52
48
12
38
27
29
42
41
41
41
41
41
41
2
2
2

Low Clouds (% Sky Obscured)

98
91
78
56
38
31
6
9
12
1
0
2
5
7
8
1
1
1
1
1
1
0
0
0

Medium Clouds (% Sky Obscured)

59
29
33
34
59
73
39
19
9
2
0
1
6
7
9
25
25
25
25
25
25
2
2
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
16
45
47
11
38
20
20
34
23
23
23
23
23
23
1
1
1

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
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
3
5
7
5
2
2
0
0
0
0
0
2
2
2
2
2
2
2
2
2

Precipitation Amount (mm)

0
0
0
0
0.01
0.02
0.04
0.02
0.01
0.01
0
0
0
0
0
0.01
0.01
0.01
0.02
0.02
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

5
6
6
6
6
6
5
4
4
3
3
3
3
3
3
4
4
4
5
5
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
63
66
70
73
76
77
79
77
76
72
68
64
65
66
68
67
67
66
67
68
70
71
72

Pressure (mb)

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

Ozone (du)

308
308
306
305
305
306
306
305
304
304
303
303
303
303
302
302
301
300
298
297
296
295
293
292

Saturday 26

Waxing Gibbous 79%

16:50

02:02

05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
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: 06:47, Set: 18:42, Transit: 12:45. Moon - Rise: 16:50, Set: 02:02. Civil Dark: 19:11 - 06:18. Nautical Dark: 19:46 - 05:44. Astro Dark: 20:21 - 05:08

Total Clouds (% Sky Obscured)

2
2
2
2
2
2
2
2
2
89
89
89
89
89
89
100
100
100
100
100
100
98
98
98

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

2
2
2
0
0
0
0
0
0
13
13
13
13
13
13
0
0
0
0
0
0
59
59
59

High Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
89
89
89
89
89
89
100
100
100
100
100
100
96
96
96

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
5
5
7
8
10
11
13
14
11
10
9
9
8
8
8
9
9
9
9
9
9
9

Chance of Frost

Temperature (°C)

16
15
15
16
17
19
21
22
23
23
24
24
24
23
22
21
21
20
20
21
21
22
22
22

Feels Like (°C)

16
15
15
16
17
19
21
22
23
23
24
24
24
23
22
21
21
20
20
21
21
22
22
22

Dew Point (°C)

11
11
12
12
13
15
16
16
15
15
15
15
14
14
14
13
13
12
12
12
12
12
12
13

Relative Humidity (%)

73
76
79
81
79
77
74
69
63
59
55
54
54
57
59
61
61
61
59
57
54
53
54
56

Pressure (mb)

1016
1016
1016
1016
1015
1014
1014
1013
1012
1011
1013
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010
1009

Ozone (du)

291
290
289
288
287
286
285
284
284
283
283
283
283
283
282
282
281
281
280
281
281
282
281
279

Sunday 27

Waxing Gibbous 87%

17:24

03:08

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: 06:49, Set: 18:40, Transit: 12:44. Moon - Rise: 17:24, Set: 03:08. Civil Dark: 19:09 - 06:19. Nautical Dark: 19:44 - 05:45. Astro Dark: 20:19 - 05:10

Total Clouds (% Sky Obscured)

98
98
98
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)

1
1
1
100
100
100
100
100
100
100
100
100
100
100
100
18
18
18
18
18
18
88
88
88

Medium Clouds (% Sky Obscured)

59
59
59
98
98
98
98
98
98
100
100
100
100
100
100
88
88
88
88
88
88
10
10
10

High Clouds (% Sky Obscured)

96
96
96
98
98
98
98
98
98
98
98
98
98
98
98
100
100
100
100
100
100
88
88
88

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
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
2
6
8
8
9
9
7
5
5
10
14
18
15
8
9
11
19
24
25
25

Precipitation Amount (mm)

0
0
0
0
0.01
0.07
0.14
0.16
0.16
0.13
0.06
0.02
0.01
0.04
0.09
0.13
0.11
0.06
0.03
0.06
0.26
0.47
0.44
0.3

Wind Speed/Direction (mph)

9
10
11
12
12
12
12
13
13
13
12
10
9
9
8
8
9
10
10
10
9
8
8
8

Chance of Frost

Temperature (°C)

22
21
21
21
21
21
21
21
21
22
23
23
23
23
22
22
21
21
21
21
21
20
20
19

Feels Like (°C)

22
21
21
21
21
21
21
21
21
22
23
24
24
23
22
22
21
21
21
21
21
20
20
19

Dew Point (°C)

13
14
15
16
17
18
18
18
18
18
18
18
17
17
16
15
15
15
15
14
14
14
13
13

Relative Humidity (%)

60
63
68
74
79
83
85
84
83
79
75
71
68
68
68
67
66
67
67
67
65
65
66
68

Pressure (mb)

1009
1009
1008
1008
1008
1008
1007
1007
1006
1006
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1003
1003
1003
1002

Ozone (du)

278
277
277
277
276
276
276
275
274
274
274
273
274
274
276
277
278
278
279
280
281
283
284
285

Monday 28

Waxing Gibbous 93%

17:51

04:13

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

Sun - Rise: 06:50, Set: 18:38, Transit: 12:44. Moon - Rise: 17:51, Set: 04:13. Civil Dark: 19:07 - 06:21. Nautical Dark: 19:42 - 05:46. Astro Dark: 20:17 - 05:11

Total Clouds (% Sky Obscured)

98
98
98
100
100
100
100
100
100
58
58
58
58
58
58
14
14
14
14
14
14
10
10
10

Low Clouds (% Sky Obscured)

88
88
88
100
100
100
100
100
100
10
10
10
10
10
10
5
5
5
5
5
5
5
5
5

Medium Clouds (% Sky Obscured)

10
10
10
86
86
86
86
86
86
10
10
10
10
10
10
14
14
14
14
14
14
9
9
9

High Clouds (% Sky Obscured)

88
88
88
100
100
100
100
100
100
54
54
54
54
54
54
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
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

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain

Precipitation Probability (%)

25
25
23
18
10
9
5
0
0
4
6
7
9
9
6
4
3
0
0
0
0
0
10
25

Precipitation Amount (mm)

0.19
0.11
0.04
0.02
0.01
0.01
0.01
0
0
0.01
0.03
0.11
0.19
0.14
0.06
0.02
0.01
0
0
0
0
0
0.18
1.04

Wind Speed/Direction (mph)

9
10
13
15
15
15
15
15
16
16
16
16
15
13
11
10
9
9
9
9
8
8
8
9

Chance of Frost

Temperature (°C)

18
17
16
16
16
16
16
17
18
18
18
18
17
17
17
17
17
17
17
17
17
16
15
15

Feels Like (°C)

18
17
16
16
16
16
16
17
18
18
18
18
17
17
17
17
17
17
17
17
17
16
15
15

Dew Point (°C)

13
13
13
13
13
12
12
11
11
10
10
10
10
10
10
10
9
8
8
7
7
8
8
9

Relative Humidity (%)

70
74
79
84
85
80
75
70
64
61
61
62
63
64
65
64
60
56
53
53
55
58
61
67

Pressure (mb)

1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1005
1005
1005
1005
1005
1004
1004
1004

Ozone (du)

287
288
290
292
294
297
299
302
304
307
310
314
316
318
318
318
318
316
314
310
305
301
299
299

Tuesday 29

Waxing Gibbous 97%

18:15

No Set

05 OK
06 OK
07 OK
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: 06:51, Set: 18:36, Transit: 12:44. Moon - Rise: 18:15, Set: No Set. Civil Dark: 19:06 - 06:22. Nautical Dark: 19:40 - 05:47. Astro Dark: 20:15 - 05:12

Total Clouds (% Sky Obscured)

10
10
10
88
88
88
88
88
88
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

5
5
5
82
82
82
82
82
82
5
5
5
5
5
5
0
0
0
0
0
0
1
1
1

Medium Clouds (% Sky Obscured)

9
9
9
0
0
0
0
0
0
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
31
31
31
31
31
31
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
9
6
3
3
6
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

29
32
29
26
30
35
33
34
36
36
33
31
29
35
59
70
62
27
19
16
13
12
13
13

Precipitation Amount (mm)

2.09
2.4
2.21
1.84
1.29
0.74
0.47
0.53
0.8
0.94
0.67
0.31
0.14
0.25
0.68
1.1
1.08
0.81
0.52
0.24
0.04
0.01
0.01
0.01

Wind Speed/Direction (mph)

10
10
11
12
12
12
12
13
15
16
15
13
11
11
10
10
10
10
10
10
9
9
9
10

Chance of Frost

Temperature (°C)

14
14
14
14
14
15
15
15
16
17
18
18
18
18
17
17
17
17
17
17
16
16
15
15

Feels Like (°C)

14
14
14
14
14
15
15
15
16
17
18
18
18
18
17
17
17
17
17
17
16
16
15
15

Dew Point (°C)

10
10
11
11
12
13
13
13
13
13
14
14
14
14
13
13
12
11
10
10
10
10
9
9

Relative Humidity (%)

73
76
80
84
87
88
87
86
84
80
78
76
74
76
78
78
73
68
66
65
65
67
68
69

Pressure (mb)

1003
1002
1001
1001
1000
999
998
998
997
997
996
996
995
995
995
995
995
995
995
995
996
996
996
995

Ozone (du)

298
296
293
291
289
286
285
283
281
280
280
280
280
280
280
280
281
282
283
285
286
288
291
293

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

Generated: 23/09/20 05:38:32. Forecast: 23/09/20 to 29/09/20. Timezone: UTC-4.00