Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 27

Waning Gibbous 97%

18:50

09:09

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:49, Set: 18:41, Transit: 12:44. Moon - Rise: 18:50, Set: 09:09. Civil Dark: 19:10 - 06:20. Nautical Dark: 19:44 - 05:46. Astro Dark: 20:19 - 05:11

Total Clouds (% Sky Obscured)

100
100
100
100
99
97
100
98
100
100
97
97
99
100
98
100
92
99
98
98
99
100
100
100

Low Clouds (% Sky Obscured)

99
72
85
87
94
54
71
96
92
88
87
95
94
77
98
64
59
72
87
85
82
96
97
96

Medium Clouds (% Sky Obscured)

98
97
100
43
29
38
33
15
6
52
50
41
57
82
91
100
87
40
55
96
98
100
100
99

High Clouds (% Sky Obscured)

97
94
100
48
65
41
50
74
100
100
55
59
70
75
78
100
42
49
41
36
31
30
30
31

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

Precipitation Probability (%)

17
10
7
6
8
6
20
15
14
11
15
29
2
7
11
13
61
95
76
47
45
70
64
42

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.9
0.4
0
0
0.4
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
75
72
68
68
75
76
69
72
76
79
79
80
79
86
78
67
63
65
64
65
76
78

Pressure (mb)

1016
1016
1017
1016
1016
1016
1016
1016
1016
1016
1015
1016
1015
1015
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014

Ozone (du)

281
281
281
282
280
280
280
278
277
277
277
277
277
277
279
280
281
282
281
281
281
281
282
282

Monday 28

Waning Gibbous 92%

19:14

10:29

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:51, Set: 18:39, Transit: 12:44. Moon - Rise: 19:14, Set: 10:29. Civil Dark: 19:08 - 06:21. Nautical Dark: 19:42 - 05:47. Astro Dark: 20:17 - 05:13

Total Clouds (% Sky Obscured)

100
100
99
99
98
99
100
99
99
99
98
97
94
96
94
93
91
87
87
90
84
85
78
73

Low Clouds (% Sky Obscured)

96
96
98
54
51
71
93
93
93
91
89
92
92
94
90
91
91
87
87
90
84
85
78
73

Medium Clouds (% Sky Obscured)

83
100
91
79
83
65
52
37
35
36
43
72
72
58
74
78
83
78
50
20
11
8
0
0

High Clouds (% Sky Obscured)

33
30
60
45
45
61
70
60
10
22
35
12
3
2
2
3
2
1
1
1
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 (%)

42
45
32
15
16
20
11
7
8
10
14
2
4
6
2
4
3
7
2
0
0
1
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
6
5
5
6
5
5
5
5
5
6
5
5
6
6
6
6
6
5
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
10
10
10
9
9
9
9
9
9
9
9
9
9
9
10
11
12
12
14
14
15
15
16

Dew Point (°C)

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

Relative Humidity (%)

83
81
84
86
92
95
93
88
90
88
90
90
91
91
90
90
90
89
87
85
82
79
78
78

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1018
1018
1018
1018
1017
1017
1017
1017

Ozone (du)

282
282
283
284
283
283
283
282
282
282
283
284
284
283
278
276
275
276
276
276
276
277
278
278

Tuesday 29

Waning Gibbous 84%

19:44

11:49

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
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

Sun - Rise: 06:52, Set: 18:37, Transit: 12:44. Moon - Rise: 19:44, Set: 11:49. Civil Dark: 19:06 - 06:23. Nautical Dark: 19:40 - 05:48. Astro Dark: 20:15 - 05:14

Total Clouds (% Sky Obscured)

65
53
58
56
65
78
61
43
32
89
62
83
81
90
93
97
100
100
100
100
100
100
100
92

Low Clouds (% Sky Obscured)

65
53
58
56
65
73
51
35
24
25
27
30
31
24
18
12
8
12
15
17
16
24
23
21

Medium Clouds (% Sky Obscured)

4
8
6
5
3
15
21
19
16
19
21
16
16
29
32
31
31
46
93
98
97
96
96
87

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
30
13
30
25
30
56
77
100
100
100
100
99
97
96
79

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
1
3
3
1
0
0
1
1
1
1
1
1
1
1
1
1

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
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
14
13
12
12
11
12
12
12
10
10
9
9
11
12
15
18
19
19
19
19
19
18

Dew Point (°C)

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

Relative Humidity (%)

81
83
86
86
84
84
86
90
91
91
93
93
93
93
88
80
75
67
64
63
60
66
71
73

Pressure (mb)

1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1017

Ozone (du)

279
280
281
282
282
282
282
281
279
278
277
275
275
274
275
275
275
274
273
272
272
271
271
271

Wednesday 30

Waning Gibbous 74%

20:23

13:05

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:53, Set: 18:35, Transit: 12:43. Moon - Rise: 20:23, Set: 13:05. Civil Dark: 19:04 - 06:24. Nautical Dark: 19:39 - 05:50. Astro Dark: 20:13 - 05:15

Total Clouds (% Sky Obscured)

84
76
71
65
61
74
87
100
99
98
97
96
95
94
93
93
77
95
97
100
100
100
94
91

Low Clouds (% Sky Obscured)

19
14
16
39
13
14
60
69
57
27
26
16
9
0
0
0
0
10
17
29
19
10
0
7

Medium Clouds (% Sky Obscured)

80
72
60
65
61
60
55
55
56
23
63
66
68
71
83
77
71
88
93
88
45
43
34
35

High Clouds (% Sky Obscured)

64
44
40
35
34
57
77
100
97
94
88
87
82
82
65
54
8
61
79
100
100
100
93
91

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
6
9
12
14
16
13
26

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
16
15
15
15
14
14
14
13
13
13
12
12
13
14
15
17
20
20
20
21
22
22
22

Dew Point (°C)

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

Relative Humidity (%)

79
81
82
83
82
82
82
80
80
80
87
83
82
86
83
76
66
56
49
46
42
40
41
46

Pressure (mb)

1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1014
1014
1014
1014
1013
1013
1011
1011
1010
1009
1008
1008

Ozone (du)

271
271
271
271
271
271
270
268
268
265
262
262
261
261
261
260
259
259
260
260
259
260
260
260

Thursday 1

Waning Gibbous 63%

21:14

14:10

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:54, Set: 18:33, Transit: 12:43. Moon - Rise: 21:14, Set: 14:10. Civil Dark: 19:03 - 06:25. Nautical Dark: 19:37 - 05:51. Astro Dark: 20:11 - 05:17

Total Clouds (% Sky Obscured)

84
77
48
41
50
60
60
83
85
87
88
91
95
100
98
97
95
97
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

17
25
29
33
41
39
43
53
62
58
53
51
48
45
50
63
70
81
87
90
72
52
32
22

Medium Clouds (% Sky Obscured)

38
35
28
33
33
30
26
26
52
64
74
64
56
51
58
64
71
76
82
85
82
81
81
72

High Clouds (% Sky Obscured)

80
74
46
41
50
50
45
35
23
31
40
47
54
54
48
51
58
73
87
100
93
88
82
89

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

35
34
46
51
47
42
33
12
57
59
51
60
59
47
54
53
32
23
14
1
1
1
0
0

Precipitation Amount (mm)

0
0
0.3
0.3
0
0
0
0
0.2
0.2
0
0.2
0.2
0
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
20
19
21
21
21
21
21
20
20
20
19
19
18
18
16
16
16
16
16
15
12
12
11

Dew Point (°C)

12
13
12
14
15
15
14
14
13
14
14
14
14
14
14
12
10
9
9
9
9
7
5
4

Relative Humidity (%)

55
60
61
68
71
69
67
66
67
69
72
75
79
82
86
78
70
64
63
63
63
55
48
41

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1009
1010
1011
1011
1012
1013
1014
1014
1014
1014
1014
1014

Ozone (du)

261
260
260
260
261
261
262
261
261
262
263
264
265
265
266
266
267
267
269
270
272
273
274
276

Friday 2

Waning Gibbous 51%

22:18

15:03

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

Sun - Rise: 06:55, Set: 18:32, Transit: 12:43. Moon - Rise: 22:18, Set: 15:03. Civil Dark: 19:01 - 06:26. Nautical Dark: 19:35 - 05:52. Astro Dark: 20:09 - 05:18

Total Clouds (% Sky Obscured)

100
100
95
89
84
71
54
40
42
45
47
43
44
40
35
35
30
34
35
43
53
59
65
65

Low Clouds (% Sky Obscured)

13
3
20
36
52
42
30
17
21
20
12
13
9
10
9
11
13
23
34
38
53
59
65
65

Medium Clouds (% Sky Obscured)

66
55
41
32
25
17
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

95
100
77
53
30
23
25
23
22
19
15
12
6
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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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
1
1
0
2
3
3
12
15
12
12
9
3
7
6
0
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
47
50
51
51
51
59
68
78
70
65
60
61
61
62
56
51
46
47
48
50
50
50
52

Pressure (mb)

1015
1016
1016
1017
1017
1017
1018
1018
1019
1019
1019
1020
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

278
280
282
284
286
288
289
291
292
296
300
304
310
316
322
326
330
335
331
328
325
323
322
320

Saturday 3

Third Quarter 40%

23:32

15:43

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

Sun - Rise: 06:57, Set: 18:30, Transit: 12:42. Moon - Rise: 23:32, Set: 15:43. Civil Dark: 18:59 - 06:28. Nautical Dark: 19:33 - 05:53. Astro Dark: 20:07 - 05:19

Total Clouds (% Sky Obscured)

70
75
76
81
87
63
39
16
16
18
19
13
8
2

Low Clouds (% Sky Obscured)

70
70
75
78
85
61
36
13
9
6
3
2
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
8
12
8
4
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

1
0
5
6
3
3
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
11
9
8
7
5
5
5
4
4
4
4
4
5

Feels Like (°C)

9
8
7
4
4
3
4
4
5
2
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

53
54
56
59
62
65
68
73
77
79
77
79
76
72

Pressure (mb)

1024
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1028
1028
1028

Ozone (du)

323
325
328
328
329
329
326
323
320
320
320
319
318
317

Forecast for Hemmingford, Montérégie, Canada (45.05,-73.58)

Generated: 27/09/26 18:17:34. Forecast: 27/09/26 to 03/10/26. Timezone: UTC-4.00