Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 25

Waxing Gibbous 99%

18:10

05:27

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

Sun - Rise: 06:46, Set: 18:45, Transit: 12:45. Moon - Rise: 18:10, Set: 05:27. Civil Dark: 19:14 - 06:16. Nautical Dark: 19:48 - 05:42. Astro Dark: 20:23 - 05:07

Total Clouds (% Sky Obscured)

0
0
0
0
20
19
38
63
3
12
17
18
20
19
50
48
57
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
10
11
12
2
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
17
60
3
12
16
15
17
14
45
43
57
100
100
100
100
100
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)

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

Chance of Frost

Temperature (°C)

9
8
8
8
7
6
6
6
8
13
16
18
20
21
22
22
22
22
20
16
14
13
12
11

Feels Like (°C)

9
9
8
8
7
6
6
5
7
13
16
17
19
20
21
20
21
20
19
14
12
12
10
9

Dew Point (°C)

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

Relative Humidity (%)

84
87
88
90
90
91
91
93
85
72
64
56
52
50
49
50
50
55
67
77
78
79
81
83

Pressure (mb)

1029
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1026
1026
1025
1024
1023
1023
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

293
294
296
296
295
296
296
296
296
296
293
294
294
292
290
290
290
288
286
286
286
287
288
286

Saturday 26

Full Moon 100%

18:29

06:38

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:47, Set: 18:43, Transit: 12:45. Moon - Rise: 18:29, Set: 06:38. Civil Dark: 19:12 - 06:18. Nautical Dark: 19:46 - 05:43. Astro Dark: 20:21 - 05:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
100
100
100
100
100
97
100
100
100
100
100
100
74
100
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
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
4
22
56
79
56
75
76
87
75
71
66
65
51
14
65
65

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
100
100
100
100
100
90
100
100
100
100
100
100
66
100
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)

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

Chance of Frost

Temperature (°C)

11
10
10
10
9
9
9
9
11
13
16
17
18
20
20
20
20
19
18
16
15
14
13
13

Feels Like (°C)

9
9
8
8
7
7
7
7
9
11
13
14
15
16
17
17
17
17
15
13
12
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

83
85
82
82
82
82
82
82
77
68
60
56
53
54
55
54
57
57
59
64
64
64
64
65

Pressure (mb)

1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1017
1017
1017
1017
1017
1017
1016
1016
1016

Ozone (du)

284
284
284
284
284
283
284
286
287
286
285
285
285
285
284
283
283
284
285
285
284
285
285
284

Sunday 27

Waning Gibbous 100%

18:50

07:52

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:48, Set: 18:41, Transit: 12:45. Moon - Rise: 18:50, Set: 07:52. Civil Dark: 19:10 - 06:19. Nautical Dark: 19:44 - 05:45. Astro Dark: 20:19 - 05:10

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
100
100
100
100
96
100
100
100
100
100
100
100
97
95
93
95

Low Clouds (% Sky Obscured)

1
0
23
63
74
75
75
75
95
74
85
73
59
85
84
87
100
88
89
92
82
77
57
86

Medium Clouds (% Sky Obscured)

23
26
62
80
83
84
36
78
99
68
100
44
49
95
77
64
60
80
77
100
95
91
86
84

High Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
100
100
100
100
86
90
89
96
91
90
71
40
40
30
30
42

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
9
9
9
9
2
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
Light Rain
Light Rain
Very Light Rain
None
None
None
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

1
1
0
0
3
3
2
38
32
24
0
18
49
55
44
18
11
11
68
81
47
43
38
36

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.3
0
0
0
0.8
1
0.3
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
70
75
75
69
67
65
65
84
84
74
73
65
75
85
83
82
77
76
69
66
62
63
67

Pressure (mb)

1016
1016
1016
1016
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1016
1016
1017
1017
1017
1017

Ozone (du)

284
284
284
284
284
283
284
283
283
284
283
284
284
282
283
283
283
283
283
282
283
282
281
281

Monday 28

Waning Gibbous 97%

19:14

09:09

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:49, Set: 18:39, Transit: 12:44. Moon - Rise: 19:14, Set: 09:09. Civil Dark: 19:08 - 06:20. Nautical Dark: 19:42 - 05:46. Astro Dark: 20:17 - 05:11

Total Clouds (% Sky Obscured)

98
100
99
98
97
97
99
100
68
83
79
84
71
83
86
98
98
78
88
73
66
73
60
100

Low Clouds (% Sky Obscured)

53
79
27
81
87
90
94
97
40
83
79
84
58
64
78
78
83
74
81
66
50
48
45
96

Medium Clouds (% Sky Obscured)

66
94
86
60
89
53
30
25
21
14
6
11
21
46
42
91
90
59
53
53
58
63
49
52

High Clouds (% Sky Obscured)

59
77
64
50
10
36
73
84
47
43
25
7
7
6
24
44
63
55
46
30
41
54
60
62

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

Precipitation Probability (%)

31
6
36
44
41
32
33
34
22
9
2
7
8
5
29
44
58
74
83
91
95
95
80
65

Precipitation Amount (mm)

0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.6
1.1
1.1
0.7
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
8
7
8
8
8
8
9
9
8
8
8
8
8
8
8
8
8
8
9
9
9
9
9

Relative Humidity (%)

63
70
68
71
72
72
75
77
76
67
64
64
60
54
54
56
62
62
66
74
80
86
86
86

Pressure (mb)

1017
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1016
1015
1016
1016
1016
1016
1016
1016

Ozone (du)

282
281
279
278
277
276
275
275
275
275
274
274
274
274
274
275
275
276
276
276
276
275
275
276

Tuesday 29

Waning Gibbous 92%

19:44

10:29

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

Sun - Rise: 06:51, Set: 18:37, Transit: 12:44. Moon - Rise: 19:44, Set: 10:29. Civil Dark: 19:06 - 06:21. Nautical Dark: 19:40 - 05:47. Astro Dark: 20:15 - 05:13

Total Clouds (% Sky Obscured)

100
85
99
100
99
72
58
50
46
45
50
59
61
61
60
54
48
45
41
37
32
31
35
35

Low Clouds (% Sky Obscured)

98
72
99
98
47
53
54
46
45
45
50
54
61
47
33
36
38
45
41
37
32
31
35
29

Medium Clouds (% Sky Obscured)

54
58
82
84
79
43
27
22
19
21
16
15
14
16
22
22
20
22
20
19
15
11
7
9

High Clouds (% Sky Obscured)

67
62
49
27
15
20
21
24
17
9
0
0
3
3
3
2
2
1
1
0
0
0
0
13

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

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 (%)

49
35
29
21
3
4
4
1
3
3
1
3
2
0
1
1
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

0.2
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
3
3
3
2
3
3
3
3
3
4
4
5
4
4
5
4
4
3
1
1
1
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
11
11
11
11
10
11
11
12
13
14
15
15
16
16
16
16
16
18
19
21
14
14
15

Dew Point (°C)

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

Relative Humidity (%)

80
79
83
81
81
84
92
90
83
72
64
57
50
43
40
41
41
42
49
57
67
69
70
72

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1015
1015
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016

Ozone (du)

277
277
277
279
279
280
281
281
282
281
278
276
275
274
273
273
273
272
272
271
270
271
271
271

Wednesday 30

Waning Gibbous 84%

20:23

11:49

00 OK
01 OK
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

Sun - Rise: 06:52, Set: 18:35, Transit: 12:44. Moon - Rise: 20:23, Set: 11:49. Civil Dark: 19:04 - 06:23. Nautical Dark: 19:39 - 05:48. Astro Dark: 20:13 - 05:14

Total Clouds (% Sky Obscured)

35
35
49
57
69
79
90
100
99
99
98
99
99
100
97
95
92
92
93
93
90
88
85
89

Low Clouds (% Sky Obscured)

23
22
16
15
17
18
19
23
25
32
33
50
66
81
75
70
71
72
75
77
76
76
79
79

Medium Clouds (% Sky Obscured)

12
18
24
27
31
37
38
45
57
67
73
81
89
98
94
90
87
87
88
91
80
67
55
40

High Clouds (% Sky Obscured)

30
35
49
57
69
79
90
100
99
99
98
99
99
100
85
73
62
64
60
45
31
22
12
30

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
Very 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
None

Precipitation Probability (%)

0
0
0
0
0
2
11
22
23
27
32
55
71
79
77
80
84
90
95
95
95
81
62
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.4
0.5
0.6
0.8
0.8
1.1
1.7
0.9
0.5
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
77
79
81
86
87
84
83
80
71
66
60
60
59
59
63
66
70
76
82
89
90
90
89

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1014
1014
1015
1015
1015
1015
1015
1016

Ozone (du)

271
271
270
271
271
272
273
274
275
275
274
274
275
276
277
280
282
285
288
291
293
295
297
299

Thursday 1

Waning Gibbous 74%

21:14

13:05

Sun - Rise: 06:53, Set: 18:33, Transit: 12:43. Moon - Rise: 21:14, Set: 13:05. Civil Dark: 19:03 - 06:24. Nautical Dark: 19:37 - 05:50. Astro Dark: 20:11 - 05:15

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 25/09/26 00:34:32. Forecast: 25/09/26 to 01/10/26. Timezone: UTC-4.00