Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 10%

04:21

18:03

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

Sun - Rise: 06:53, Set: 19:11, Transit: 13:01. Moon - Rise: 04:21, Set: 18:03. Civil Dark: 19:40 - 06:24. Nautical Dark: 20:15 - 05:49. Astro Dark: 20:50 - 05:14

Total Clouds (% Sky Obscured)

28
35
35
61
72
67
54
44
63
74
85
68
43
29
39
34
20
22
31
26
25
2
2
22

Low Clouds (% Sky Obscured)

28
30
35
45
41
55
53
44
63
71
80
67
43
29
39
34
20
22
31
26
25
0
0
22

Medium Clouds (% Sky Obscured)

28
0
35
43
56
56
54
42
33
31
58
59
21
5
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

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
1
2
0
0
1
3
4
2
1
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)

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

Chance of Frost

Temperature (°C)

22
23
25
27
28
27
25
24
22
19
18
17
15
14
12
11
11
10
9
8
8
9
11
13

Feels Like (°C)

22
24
26
28
28
26
24
24
22
20
18
16
15
14
12
11
10
9
8
7
7
8
10
12

Dew Point (°C)

8
10
12
14
14
15
15
15
16
16
16
14
14
12
11
9
8
7
6
6
6
6
5
4

Relative Humidity (%)

40
41
43
44
43
47
53
58
69
84
88
82
89
89
89
87
84
80
82
85
90
80
64
52

Pressure (mb)

1015
1014
1014
1013
1013
1013
1013
1013
1014
1015
1015
1016
1017
1017
1018
1018
1018
1019
1019
1020
1020
1021
1021
1021

Ozone (du)

284
284
284
284
285
288
290
292
289
287
285
285
286
285
284
282
280
281
282
283
285
285
285
285

Friday 19

Waning Crescent 5%

05:30

18:24

11 OK
12 Good
13 Good
14 Good
15 Good
16 Good
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 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:54, Set: 19:09, Transit: 13:01. Moon - Rise: 05:30, Set: 18:24. Civil Dark: 19:38 - 06:25. Nautical Dark: 20:13 - 05:51. Astro Dark: 20:48 - 05:16

Total Clouds (% Sky Obscured)

23
4
15
13
9
0
0
0
0
2
3
3
4
3
4
4
3
5
39
57
79
88
100
75

Low Clouds (% Sky Obscured)

23
4
15
13
9
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
3
0
0
0
0
0
2
3
3
4
3
4
4
3
5
23
31
56
74
100
43

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
7
7
7
7
7
5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
7

Chance of Frost

Temperature (°C)

15
17
18
19
20
20
19
18
14
11
10
9
7
6
6
5
4
4
3
3
3
5
9
12

Feels Like (°C)

14
16
17
17
17
17
16
15
13
9
8
6
5
4
4
3
2
2
1
1
1
3
6
8

Dew Point (°C)

3
2
1
-0
-1
-2
-2
-1
1
-1
-2
-2
-2
-2
-2
-3
-4
-4
-4
-4
-3
-3
-2
-3

Relative Humidity (%)

44
37
31
27
25
24
24
28
39
43
46
47
50
55
56
55
55
56
60
62
64
57
45
36

Pressure (mb)

1021
1021
1020
1020
1020
1020
1020
1021
1021
1022
1023
1024
1024
1025
1026
1026
1026
1027
1027
1027
1028
1028
1029
1029

Ozone (du)

286
286
285
285
284
284
285
286
287
288
289
289
289
289
289
289
288
286
286
287
287
287
286
286

Saturday 20

Waning Crescent 1%

06:37

18:42

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

Sun - Rise: 06:55, Set: 19:08, Transit: 13:01. Moon - Rise: 06:37, Set: 18:42. Civil Dark: 19:37 - 06:26. Nautical Dark: 20:11 - 05:52. Astro Dark: 20:46 - 05:17

Total Clouds (% Sky Obscured)

74
74
73
68
68
63
63
4
1
3
4
3
4
29
26
82
68
99
94
98
100
99
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)

0
0
0
0
0
0
0
2
1
2
2
2
2
3
1
0
0
12
3
0
0
1
4
4

High Clouds (% Sky Obscured)

41
46
55
58
53
49
54
2
0
2
3
2
2
29
26
74
57
92
71
91
98
86
94
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)

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

Chance of Frost

Temperature (°C)

14
16
18
19
19
19
19
17
13
11
9
8
7
6
5
5
5
5
5
6
6
8
12
15

Feels Like (°C)

11
14
15
16
17
17
17
16
12
9
7
5
4
4
2
2
2
3
2
3
2
4
8
11

Dew Point (°C)

-3
-4
-5
-5
-6
-6
-5
-3
-2
-3
-4
-5
-5
-5
-5
-5
-4
-4
-4
-4
-4
-3
-2
-0

Relative Humidity (%)

30
25
21
19
18
18
19
25
34
37
41
42
43
45
46
49
50
50
50
51
51
47
38
34

Pressure (mb)

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

Ozone (du)

286
286
286
286
285
286
286
285
283
282
281
281
281
281
282
282
283
283
284
284
286
287
285
285

Sunday 21

New Moon 0%

07:43

18:58

11 Bad
12 OK
13 Good
14 OK
15 OK
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

Sun - Rise: 06:56, Set: 19:06, Transit: 13:00. Moon - Rise: 07:43, Set: 18:58. Civil Dark: 19:35 - 06:27. Nautical Dark: 20:09 - 05:53. Astro Dark: 20:44 - 05:18

Total Clouds (% Sky Obscured)

63
35
11
22
31
69
64
53
91
79
80
100
95
86
99
100
100
76
99
100
96
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
12
23
34
26
15
5
8
11
13
28
41
50
58
67
77
96
100
98

Medium Clouds (% Sky Obscured)

7
9
9
12
17
20
28
35
42
35
30
18
20
24
25
33
37
42
37
36
31
41
82
73

High Clouds (% Sky Obscured)

45
20
0
9
14
40
22
15
19
41
69
100
94
86
99
100
100
76
99
100
93
91
84
76

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
22
41
58
65
69
73
63
49
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
0.6
0.4
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
21
22
23
23
23
23
22
19
18
18
19
19
18
18
18
17
17
17
17
17
17
18
19

Feels Like (°C)

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

Dew Point (°C)

3
6
10
11
10
10
10
10
11
11
11
12
12
13
13
14
14
14
15
15
16
15
15
15

Relative Humidity (%)

35
38
44
46
43
42
42
45
58
61
62
60
63
69
74
78
79
83
87
90
93
87
81
78

Pressure (mb)

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

Ozone (du)

285
284
282
279
278
279
278
277
275
275
275
274
275
275
274
273
273
272
272
272
271
271
271
270

Monday 22

Waxing Crescent 1%

08:48

19:15

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:57, Set: 19:04, Transit: 13:00. Moon - Rise: 08:48, Set: 19:15. Civil Dark: 19:33 - 06:28. Nautical Dark: 20:07 - 05:54. Astro Dark: 20:42 - 05:20

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
100
98
99
92
96
93
90
87
83
78
74
76
75
72

Low Clouds (% Sky Obscured)

92
85
83
81
79
76
73
69
70
74
79
88
89
90
91
82
74
67
68
68
69
65
62
61

Medium Clouds (% Sky Obscured)

86
77
100
99
97
97
96
95
95
56
50
50
50
45
35
40
47
49
33
17
2
8
14
23

High Clouds (% Sky Obscured)

86
93
100
100
100
100
100
100
100
99
100
94
88
15
15
52
71
84
83
78
74
60
30
0

ISS Passover

Visibility (miles)

9
9
9
9
8
4
9
7
6
8
6
5
9
9
1
1
4
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

30
35
46
68
95
95
90
84
79
95
95
95
95
95
95
80
70
61
50
34
9
12
10
7

Precipitation Amount (mm)

0
0
0
0.3
0.8
0.8
0.6
0.5
0.3
0.6
0.7
0.6
0.8
1
1
0.5
0.4
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
9
9
7
6
5
5
5
4
5
4
4
4
3
3
6
6
6
5
5
5
5
6

Chance of Frost

Temperature (°C)

21
21
22
21
20
19
19
19
18
18
18
18
18
18
18
18
18
18
18
18
18
17
19
20

Feels Like (°C)

19
19
20
19
19
19
19
20
19
18
19
18
18
19
19
19
20
20
20
19
19
18
19
19

Dew Point (°C)

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

Relative Humidity (%)

66
60
55
62
78
95
95
93
96
96
98
98
96
98
100
100
98
98
98
96
95
92
84
76

Pressure (mb)

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

Ozone (du)

271
271
272
273
273
274
274
273
274
275
273
274
276
277
277
279
279
279
279
278
277
276
276
276

Tuesday 23

Waxing Crescent 4%

09:54

19:33

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
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK

Sun - Rise: 06:59, Set: 19:02, Transit: 13:00. Moon - Rise: 09:54, Set: 19:33. Civil Dark: 19:31 - 06:30. Nautical Dark: 20:05 - 05:56. Astro Dark: 20:40 - 05:21

Total Clouds (% Sky Obscured)

75
78
82
82
82
82
76
70
63
58
52
50
60
66
72
71
65
62
61
60
58
47
34
19

Low Clouds (% Sky Obscured)

59
58
57
54
52
49
33
16
0
4
7
11
25
34
45
46
48
48
51
50
49
42
33
19

Medium Clouds (% Sky Obscured)

38
53
71
77
80
82
76
70
63
58
52
50
45
21
7
4
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
31
28
29
23
27
13
0
0
0
0
0
0
45
50
41
32
42
49
56
38
20
2

ISS Passover

Visibility (miles)

9
9
9
9
7
5
3
5
7
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
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
28
33
36
43
55
84
95
93
56
45
34
23
16
7
6
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.4
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
20
22
23
24
23
24
23
22
22
17
18
19
19
18
18
18
18
17
17
17
17
16
16

Dew Point (°C)

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

Relative Humidity (%)

68
68
67
66
72
76
81
86
91
96
96
98
98
98
98
96
96
96
96
96
95
95
85
77

Pressure (mb)

1014
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1016
1016
1016
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020

Ozone (du)

275
276
276
277
276
276
276
277
279
280
281
282
282
282
281
281
281
282
282
283
284
285
286
287

Wednesday 24

Waxing Crescent 8%

11:00

19:52

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

Sun - Rise: 07:00, Set: 19:00, Transit: 12:59. Moon - Rise: 11:00, Set: 19:52. Civil Dark: 19:29 - 06:31. Nautical Dark: 20:03 - 05:57. Astro Dark: 20:38 - 05:22

Total Clouds (% Sky Obscured)

23
27
32
45
54
61
70
80
90
85
80
75
55
36
20
29
36
42
52
63
74

Low Clouds (% Sky Obscured)

23
19
16
19
20
21
22
25
28
24
21
20
13
9
6
4
2
0
0
0
0

Medium Clouds (% Sky Obscured)

6
12
21
22
21
20
22
25
28
28
28
28
22
17
10
9
8
8
10
13
15

High Clouds (% Sky Obscured)

1
0
0
10
10
19
34
37
55
60
79
75
52
29
6
29
36
42
52
57
47

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

7
6
6
6
6
6
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

20
21
23
24
24
24
24
22
20
18
17
16
15
14
14
13
13
13
13
13
13

Feels Like (°C)

17
18
18
19
26
25
24
24
24
24
15
15
16
16
15
15
14
13
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

69
62
54
49
48
47
46
53
62
72
76
78
83
83
84
86
84
83
80
80
79

Pressure (mb)

1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019

Ozone (du)

288
286
285
283
283
283
284
284
284
284
283
283
283
282
281
280
278
276
274
273
272

Forecast for Erinsville, Lennox and Addington County, Canada (44.48,-77.05)

Generated: 18/09/25 11:11:39. Forecast: 18/09/25 to 24/09/25. Timezone: UTC-4.00