Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 20

Waxing Gibbous 70%

16:17

00:48

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

Sun - Rise: 06:41, Set: 18:54, Transit: 12:47. Moon - Rise: 16:17, Set: 00:48. Civil Dark: 19:24 - 06:11. Nautical Dark: 19:59 - 05:36. Astro Dark: 20:34 - 05:01

Total Clouds (% Sky Obscured)

91
83
69
47
19
62
69
90
73
58
86
86
52
88
62
6
2
3
33
59
56
43
64
100

Low Clouds (% Sky Obscured)

48
28
36
24
0
0
0
17
38
9
51
71
52
70
56
3
1
1
6
15
28
25
20
5

Medium Clouds (% Sky Obscured)

81
27
17
18
8
16
17
22
22
25
24
18
29
13
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
1
30
59
46
22
43
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
5
8
10
12
11
11
10
10
10
8
7
6
5
4
3
3
2
1
1
1
0
-0
-1

Relative Humidity (%)

48
49
55
67
80
83
82
82
80
79
72
70
66
69
65
62
67
62
55
50
45
41
38
35

Pressure (mb)

1015
1015
1015
1015
1016
1017
1017
1017
1018
1019
1019
1020
1021
1021
1022
1023
1024
1025
1026
1026
1026
1026
1025
1025

Ozone (du)

288
287
288
289
287
287
287
288
289
289
290
290
290
288
287
288
289
290
290
290
289
290
290
291

Monday 21

Waxing Gibbous 79%

16:48

01:56

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
09 OK
10 OK
11 OK
12 Good
13 Good
14 Good

Sun - Rise: 06:42, Set: 18:52, Transit: 12:46. Moon - Rise: 16:48, Set: 01:56. Civil Dark: 19:22 - 06:12. Nautical Dark: 19:57 - 05:38. Astro Dark: 20:32 - 05:02

Total Clouds (% Sky Obscured)

100
100
91
90
77
100
100
99
95
95
95
90
98
96
96
100
87
52
35
30
33
4
15
17

Low Clouds (% Sky Obscured)

0
0
0
0
0
9
0
20
3
0
0
0
0
0
0
0
0
0
0
0
4
4
15
17

Medium Clouds (% Sky Obscured)

0
0
0
4
4
4
4
62
39
19
94
90
54
69
96
97
87
52
35
30
33
0
0
0

High Clouds (% Sky Obscured)

100
100
89
89
74
100
100
90
94
90
93
86
98
91
77
97
38
40
35
30
30
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
0
0
0
0
1
0
0
0
0

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
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
14
13
12
11
11
10
10
9
8
8
8
7
7
7
8
9
11
13
14
15
16

Feels Like (°C)

12
12
12
12
10
10
9
7
6
6
5
5
5
4
4
4
3
4
6
7
9
10
13
14

Dew Point (°C)

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

Relative Humidity (%)

35
34
35
39
47
52
52
54
58
59
61
61
64
66
69
71
72
69
63
56
50
44
40
38

Pressure (mb)

1024
1024
1024
1024
1025
1025
1026
1027
1027
1027
1028
1028
1028
1028
1029
1029
1030
1030
1031
1031
1031
1031
1031
1030

Ozone (du)

292
292
291
290
293
296
298
297
297
296
296
296
295
293
294
296
298
298
299
301
300
303
304
303

Tuesday 22

Waxing Gibbous 86%

17:13

03:05

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

Sun - Rise: 06:43, Set: 18:50, Transit: 12:46. Moon - Rise: 17:13, Set: 03:05. Civil Dark: 19:20 - 06:14. Nautical Dark: 19:55 - 05:39. Astro Dark: 20:30 - 05:04

Total Clouds (% Sky Obscured)

17
19
17
10
8
0
13
19
7
0
0
0
17
24
22
0
0
0
0
0
0
0
0
6

Low Clouds (% Sky Obscured)

17
19
17
10
8
0
13
19
7
0
0
0
17
24
22
0
0
0
0
0
0
0
0
6

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)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
0
0
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
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
3
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4

Relative Humidity (%)

38
38
40
46
52
57
58
60
61
63
67
68
70
71
73
74
74
69
60
52
47
43
40
38

Pressure (mb)

1030
1030
1030
1030
1031
1031
1032
1032
1032
1033
1033
1033
1033
1034
1034
1035
1035
1036
1036
1036
1036
1036
1036
1035

Ozone (du)

301
301
301
301
302
304
305
306
308
310
313
316
316
316
320
322
325
326
326
325
325
325
325
326

Wednesday 23

Waxing Gibbous 93%

17:34

04:16

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

Sun - Rise: 06:44, Set: 18:49, Transit: 12:45. Moon - Rise: 17:34, Set: 04:16. Civil Dark: 19:18 - 06:15. Nautical Dark: 19:53 - 05:40. Astro Dark: 20:28 - 05:05

Total Clouds (% Sky Obscured)

14
21
14
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

14
21
14
6
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
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)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
0
0
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
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
17
15
13
13
12
11
11
10
9
9
8
8
8
8
9
11
13
15
17
18
19

Feels Like (°C)

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

Dew Point (°C)

3
4
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
4
3
3
2

Relative Humidity (%)

37
38
38
44
50
54
54
56
59
62
66
68
70
71
73
75
74
68
58
50
45
39
34
31

Pressure (mb)

1035
1034
1034
1034
1034
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1036
1036
1035
1035
1034
1033

Ozone (du)

327
327
325
323
321
319
318
318
317
317
316
316
316
316
315
314
314
314
315
316
317
318
317
316

Thursday 24

Waxing Gibbous 97%

17:53

05:26

15 Good
16 Good
17 Good
18 Good
19 OK
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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:46, Set: 18:47, Transit: 12:45. Moon - Rise: 17:53, Set: 05:26. Civil Dark: 19:16 - 06:16. Nautical Dark: 19:51 - 05:42. Astro Dark: 20:26 - 05:06

Total Clouds (% Sky Obscured)

0
0
7
12
23
62
70
91
100
100
100
80
84
91
90
89
87
90
93
94
93
94
97
98

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
0
0
0
0
0
32
40
42
38
35
32
36
42
47
35
22
10
10

High Clouds (% Sky Obscured)

0
0
7
12
22
57
70
91
100
100
100
58
74
91
87
80
76
81
87
94
93
91
90
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
0
0
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
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

31
32
37
43
52
54
57
59
62
64
66
68
69
69
69
68
67
65
60
53
48
45
41
38

Pressure (mb)

1032
1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1029
1029
1029
1029
1029
1029
1028
1028
1028
1027
1027
1026

Ozone (du)

314
314
313
311
310
308
308
307
306
305
304
304
303
301
300
300
299
298
297
295
294
293
292
291

Friday 25

Waxing Gibbous 100%

18:10

06:38

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:47, Set: 18:45, Transit: 12:45. Moon - Rise: 18:10, Set: 06:38. Civil Dark: 19:14 - 06:17. Nautical Dark: 19:49 - 05:43. Astro Dark: 20:24 - 05:08

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
87
76
72
67
73
75
86
93
100
98
97
95
97
98
100
100

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)

9
8
5
2
0
0
0
0
0
1
1
9
15
20
13
7
1
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
87
76
64
67
69
72
86
93
100
98
97
95
97
98
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
0
0
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
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
20
19
17
16
15
15
14
14
13
13
13
12
12
12
12
12
14
16
18
19
20
22

Feels Like (°C)

17
18
17
17
16
17
13
12
13
12
12
12
10
10
10
10
10
10
10
10
11
11
12
13

Dew Point (°C)

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

Relative Humidity (%)

40
42
43
47
52
57
59
60
62
63
65
66
65
64
63
63
62
62
55
47
42
40
38
36

Pressure (mb)

1025
1025
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021

Ozone (du)

291
290
290
289
289
288
287
286
286
286
286
287
287
287
287
288
289
289
289
289
289
288
288
288

Saturday 26

Full Moon 100%

18:29

07:53

15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:48, Set: 18:43, Transit: 12:44. Moon - Rise: 18:29, Set: 07:53. Civil Dark: 19:12 - 06:19. Nautical Dark: 19:47 - 05:44. Astro Dark: 20:22 - 05:09

Total Clouds (% Sky Obscured)

100
100
82
60
41
40
40
45
50
55
60
61
62
68
68
74
80

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
38
53

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
80
57
41
40
40
45
50
55
60
61
62
68
68
74
77

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
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
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
21
21
20
19
17
17
16
15
14
14
13
12
12
11
11
11

Feels Like (°C)

18
18
18
17
17
17
13
12
12
12
12
11
8
8
8
8
7

Dew Point (°C)

8
9
11
9
8
6
6
6
6
5
4
3
2
1
-0
-1
-1

Relative Humidity (%)

40
45
51
49
47
45
48
53
56
54
52
50
48
46
45
44
43

Pressure (mb)

1021
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023

Ozone (du)

288
289
289
290
290
290
290
290
289
289
290
290
290
289
289
290
291

Forecast for Le Vieux-Port, Montréal, Canada (45.50,-73.57)

Generated: 20/09/26 14:49:25. Forecast: 20/09/26 to 26/09/26. Timezone: UTC-4.00