Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

Waning Gibbous 95%

20:13

09:17

01 Bad
02 Bad
03 Bad
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

Sun - Rise: 06:43, Set: 18:48, Transit: 12:46. Moon - Rise: 20:13, Set: 09:17. Civil Dark: 19:18 - 06:14. Nautical Dark: 19:52 - 05:39. Astro Dark: 20:28 - 05:04

Total Clouds (% Sky Obscured)

100
99
100
99
95
56
53
61
83
52
66
89
81
71
100
100
86
76
97
86
75
83
71
95

Low Clouds (% Sky Obscured)

2
0
2
2
1
2
12
13
11
14
56
87
71
61
9
2
2
15
1
1
0
1
20
91

Medium Clouds (% Sky Obscured)

100
98
99
92
83
16
11
1
1
1
1
0
2
4
7
1
1
6
17
77
68
73
61
56

High Clouds (% Sky Obscured)

88
87
95
97
92
48
45
58
81
45
54
36
33
48
100
100
86
71
96
51
38
42
24
63

ISS Passover

Visibility (miles)

10
9
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
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

100
100
43
27
19
14
10
4
0
0
0
0
0
3
4
5
6
5
4
6
8
23
36
52

Precipitation Amount (mm)

0.28
0.43
0.11
0.05
0.04
0.06
0.1
0.01
0
0
0
0
0
0.03
0.08
0.16
0.19
0.13
0.05
0.06
0.1
0.23
0.35
0.45

Wind Speed/Direction (mph)

6
6
7
10
10
10
9
11
12
13
15
16
16
15
15
15
14
13
12
10
11
13
13
14

Chance of Frost

Temperature (°C)

22
22
23
23
22
22
21
20
21
21
22
23
24
24
25
25
24
24
23
24
24
24
24
24

Feels Like (°C)

22
22
23
24
23
22
21
21
21
22
22
23
24
25
25
25
25
24
24
24
24
24
24
24

Dew Point (°C)

17
17
18
18
18
18
18
18
18
19
19
18
17
18
18
17
17
17
16
17
17
17
17
17

Relative Humidity (%)

74
76
73
72
77
81
84
85
87
86
82
74
69
69
65
63
63
65
64
66
65
65
65
66

Pressure (mb)

1014
1014
1013
1013
1013
1013
1014
1014
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

278
276
276
276
276
276
277
279
281
281
280
280
280
278
278
277
279
279
280
278
278
279
280
280

Friday 24

Waning Gibbous 90%

20:35

10:22

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

Sun - Rise: 06:45, Set: 18:46, Transit: 12:45. Moon - Rise: 20:35, Set: 10:22. Civil Dark: 19:16 - 06:15. Nautical Dark: 19:50 - 05:41. Astro Dark: 20:26 - 05:05

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
100
100
100
100
100
95
13
45
2
5
1
2
4
4
13
5
4
27

Low Clouds (% Sky Obscured)

100
100
94
100
100
100
100
30
6
16
14
44
13
45
2
5
0
2
1
2
0
0
0
0

Medium Clouds (% Sky Obscured)

96
100
45
100
100
100
100
100
100
100
34
5
0
0
0
2
1
2
4
4
13
5
4
27

High Clouds (% Sky Obscured)

88
98
98
99
100
98
99
100
100
97
100
91
2
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
7
7
7
7
8
7
10
8
5
8
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

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

Precipitation Probability (%)

70
80
80
79
79
78
75
72
64
55
55
39
27
13
2
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.1
2
2.91
3.28
4.93
5.43
3.89
2.84
2.34
1.83
1.33
0.78
0.51
0.26
0.01
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
23
23
22
21
20
18
17
16
15
14
14
15
16
17
18
19
19
18
18
18
18
18
18

Feels Like (°C)

24
24
23
22
21
20
19
17
16
15
14
14
15
16
17
18
19
19
18
18
18
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

68
70
72
75
80
84
87
89
93
95
96
91
86
79
72
68
64
63
63
64
63
64
63
62

Pressure (mb)

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

Ozone (du)

280
276
275
275
275
275
276
279
280
281
282
284
289
293
292
291
290
289
288
288
286
285
286
286

Saturday 25

Waning Gibbous 83%

21:00

11:27

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

Sun - Rise: 06:46, Set: 18:44, Transit: 12:45. Moon - Rise: 21:00, Set: 11:27. Civil Dark: 19:14 - 06:16. Nautical Dark: 19:48 - 05:42. Astro Dark: 20:23 - 05:07

Total Clouds (% Sky Obscured)

12
5
2
0
0
0
0
0
26
97
97
97
98
95
95
95
95
95
95
57
57
57
57
57

Low Clouds (% Sky Obscured)

3
1
0
0
0
0
0
0
0
0
1
7
6
0
0
0
0
0
0
6
6
6
6
6

Medium Clouds (% Sky Obscured)

10
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
26
97
97
96
98
95
95
95
95
95
95
55
55
55
55
55

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
4
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.02
0.03
0.02

Wind Speed/Direction (mph)

6
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
10
11
11
11
11
12
12
12
12
12
11
11
11
11
11
11
11
11
11
11
11
11

Relative Humidity (%)

62
62
63
67
71
76
81
85
83
82
78
72
67
62
58
56
56
59
62
62
61
61
60
61

Pressure (mb)

1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1014
1014
1013
1013
1012
1012
1012
1012
1011
1011

Ozone (du)

286
285
285
286
288
290
291
292
293
292
291
290
289
291
291
292
293
293
293
292
292
294
295
296

Sunday 26

Waning Gibbous 75%

21:30

12:31

01 Bad
02 Bad
03 Bad
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

Sun - Rise: 06:47, Set: 18:42, Transit: 12:45. Moon - Rise: 21:30, Set: 12:31. Civil Dark: 19:12 - 06:18. Nautical Dark: 19:46 - 05:43. Astro Dark: 20:21 - 05:08

Total Clouds (% Sky Obscured)

57
100
100
100
100
100
100
72
72
72
72
72
72
96
96
96
96
96
96
52
52
52
52
52

Low Clouds (% Sky Obscured)

6
8
8
8
8
8
8
24
24
24
24
24
24
40
40
40
40
40
40
19
19
19
19
19

Medium Clouds (% Sky Obscured)

1
100
100
100
100
100
100
69
69
69
69
69
69
53
53
53
53
53
53
38
38
38
38
38

High Clouds (% Sky Obscured)

55
98
98
98
98
98
98
0
0
0
0
0
0
94
94
94
94
94
94
28
28
28
28
28

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
9
9
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
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

Precipitation Probability (%)

3
0
0
0
0
4
7
14
10
13
15
20
23
28
28
31
43
28
16
5
3
7
11
9

Precipitation Amount (mm)

0.01
0
0
0
0
0.01
0.04
0.09
0.06
0.09
0.09
0.12
0.16
0.28
0.23
0.25
0.36
0.21
0.09
0.03
0.01
0.05
0.11
0.08

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
18
17
16
16
15
15
15
15
15
16
15
15
14
14
14
14
14
16
16
16
16
17

Feels Like (°C)

19
19
18
17
16
16
15
15
15
15
15
16
15
15
14
14
14
14
14
16
16
16
16
17

Dew Point (°C)

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

Relative Humidity (%)

61
62
65
69
73
76
79
84
84
84
82
78
77
74
75
75
74
72
69
62
60
60
60
60

Pressure (mb)

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

Ozone (du)

298
292
292
294
296
299
303
312
317
320
322
324
324
330
331
331
330
331
332
322
320
317
314
314

Monday 27

Waning Gibbous 66%

22:07

13:34

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

Sun - Rise: 06:48, Set: 18:40, Transit: 12:44. Moon - Rise: 22:07, Set: 13:34. Civil Dark: 19:10 - 06:19. Nautical Dark: 19:44 - 05:45. Astro Dark: 20:19 - 05:09

Total Clouds (% Sky Obscured)

52
66
66
66
66
66
66
44
44
44
44
44
44
54
54
54
54
54
54
11
11
11
11
11

Low Clouds (% Sky Obscured)

19
14
14
14
14
14
14
29
29
29
29
29
29
13
13
13
13
13
13
3
3
3
3
3

Medium Clouds (% Sky Obscured)

38
20
20
20
20
20
20
28
28
28
28
28
28
51
51
51
51
51
51
11
11
11
11
11

High Clouds (% Sky Obscured)

28
60
60
60
60
60
60
5
5
5
5
5
5
5
5
5
5
5
5
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
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 (%)

7
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.04
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
16
16
15
14
14
13
12
12
12
13
14
14
14
15
15
15
15
15
15
15
15
16
16

Feels Like (°C)

17
16
16
15
14
14
13
12
12
12
13
14
14
14
15
15
15
15
15
15
15
15
16
16

Dew Point (°C)

9
8
8
8
9
9
9
10
10
10
11
10
10
10
9
9
8
8
8
8
7
7
7
7

Relative Humidity (%)

60
58
60
63
68
73
79
85
87
87
84
79
72
73
69
66
65
65
64
62
60
59
58
58

Pressure (mb)

1010
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010

Ozone (du)

313
310
310
309
307
305
303
307
308
307
306
305
304
321
319
315
311
309
308
308
307
307
306
306

Tuesday 28

Third Quarter 56%

22:52

14:32

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

Sun - Rise: 06:50, Set: 18:38, Transit: 12:44. Moon - Rise: 22:52, Set: 14:32. Civil Dark: 19:08 - 06:20. Nautical Dark: 19:42 - 05:46. Astro Dark: 20:17 - 05:11

Total Clouds (% Sky Obscured)

11
64
64
64
64
64
64
23
23
23
23
23
23
98
98
98
98
98
98
42
42
42
42
42

Low Clouds (% Sky Obscured)

3
1
1
1
1
1
1
6
6
6
6
6
6
98
98
98
98
98
98
10
10
10
10
10

Medium Clouds (% Sky Obscured)

11
64
64
64
64
64
64
22
22
22
22
22
22
0
0
0
0
0
0
41
41
41
41
41

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
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
0
0
3
3
4
4
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
15
15
14
13
12
12
12
14
14
15
15
16
16
17
17
17
17
17
17
17
17
17

Feels Like (°C)

16
16
15
15
14
13
12
12
12
14
14
15
15
16
16
17
17
17
17
17
17
17
17
17

Dew Point (°C)

7
8
8
8
9
9
9
10
10
11
10
10
10
9
9
9
9
9
9
9
9
9
9
9

Relative Humidity (%)

58
59
61
66
72
77
81
85
85
83
78
73
69
65
61
58
57
59
61
61
59
59
58
57

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011

Ozone (du)

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

Wednesday 29

Waning Crescent 47%

23:46

15:23

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

Sun - Rise: 06:51, Set: 18:37, Transit: 12:44. Moon - Rise: 23:46, Set: 15:23. Civil Dark: 19:06 - 06:21. Nautical Dark: 19:40 - 05:47. Astro Dark: 20:15 - 05:12

Total Clouds (% Sky Obscured)

42
0
0
0
0
0
0
48
48
48
48
48
48
24
24
24
24
24
24
88
88
88
88
88

Low Clouds (% Sky Obscured)

10
0
0
0
0
0
0
48
48
48
48
48
48
11
11
11
11
11
11
25
25
25
25
25

Medium Clouds (% Sky Obscured)

41
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
42
42
42
42
42

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
15
15
15
15
15
15
77
77
77
77
77

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
3
4
6
8
9
14
22
28
30
28
29
28
26
21
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.02
0.04
0.05
0.07
0.1
0.19
0.33
0.46
0.47
0.41
0.38
0.39
0.43
0.48
0.51

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
9
9
9
9
10
10
10
10
9
8
9
9
10
10
9
8
8
9
9
9

Relative Humidity (%)

57
57
60
65
70
74
77
79
80
79
75
70
64
60
59
61
64
68
68
65
63
62
62
62

Pressure (mb)

1011
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015

Ozone (du)

306
306
305
303
301
299
297
296
295
295
294
293
292
292
291
291
290
289
289
288
287
287
286
285

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

Generated: 23/09/21 01:00:49. Forecast: 23/09/21 to 29/09/21. Timezone: UTC-4.00