Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 28%

00:38

16:21

16 OK
17 OK
18 OK
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
15 Good

Sun - Rise: 06:48, Set: 19:16, Transit: 13:01. Moon - Rise: 00:38, Set: 16:21. Civil Dark: 19:45 - 06:19. Nautical Dark: 20:19 - 05:45. Astro Dark: 20:55 - 05:09

Total Clouds (% Sky Obscured)

36
33
32
1
1
7
15
0
0
2
1
1
0
1
2
2
2
3
2
0
0
0
0
5

Low Clouds (% Sky Obscured)

20
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5

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)

2
0
0
1
1
7
11
0
0
2
1
1
0
1
2
2
2
3
2
0
0
0
0
3

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

Chance of Frost

Temperature (°C)

24
24
23
20
18
17
16
15
15
14
13
13
13
12
12
11
13
17
20
22
24
25
26
26

Feels Like (°C)

25
25
24
22
18
17
16
15
14
14
13
12
12
12
11
11
13
16
19
22
24
25
26
26

Dew Point (°C)

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

Relative Humidity (%)

31
33
36
49
53
57
59
61
66
69
71
71
72
72
73
73
64
50
43
38
34
31
30
29

Pressure (mb)

1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1025
1025
1024
1024
1023

Ozone (du)

285
285
286
287
287
288
288
288
287
286
285
285
286
287
287
288
287
288
288
289
290
290
291
291

Tuesday 16

Waning Crescent 18%

01:53

17:04

16 OK
17 OK
18 Good
19 Good
20 Good
21 Good
22 Good
23 OK
00 Good
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

Sun - Rise: 06:49, Set: 19:14, Transit: 13:01. Moon - Rise: 01:53, Set: 17:04. Civil Dark: 19:43 - 06:20. Nautical Dark: 20:17 - 05:46. Astro Dark: 20:53 - 05:11

Total Clouds (% Sky Obscured)

38
40
15
18
4
3
4
24
16
63
93
96
98
100
100
98
100
99
86
92
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
5
7
22
22
25
23
29
19
19
3
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
34
64
75
70

High Clouds (% Sky Obscured)

38
40
15
18
4
3
4
24
16
55
89
95
97
100
100
97
100
99
85
90
99
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
5
4
2
0
2
3
4
4
4
4
3
3
3
4
3
3
4
6
6
7
7
7
7

Chance of Frost

Temperature (°C)

26
25
24
20
18
18
17
17
17
16
16
15
15
15
15
16
17
19
21
22
22
22
23
23

Feels Like (°C)

26
23
22
20
19
19
17
17
16
16
16
15
14
15
15
16
17
18
20
20
21
21
22
22

Dew Point (°C)

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

Relative Humidity (%)

29
32
36
46
48
49
49
50
54
59
62
67
69
75
83
89
81
70
67
62
61
60
57
54

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019

Ozone (du)

290
288
288
287
288
287
286
285
285
284
283
283
283
282
282
283
283
284
284
283
283
283
283
283

Wednesday 17

Waning Crescent 11%

03:07

17:36

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

Sun - Rise: 06:50, Set: 19:12, Transit: 13:00. Moon - Rise: 03:07, Set: 17:36. Civil Dark: 19:41 - 06:21. Nautical Dark: 20:15 - 05:47. Astro Dark: 20:51 - 05:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
63
65
55
54
41
21
26
43
47
54
41
27
29
20
29
38
50
62

Low Clouds (% Sky Obscured)

0
0
9
22
26
38
37
44
51
54
27
21
26
43
47
54
41
27
13
20
29
38
50
58

Medium Clouds (% Sky Obscured)

65
55
55
55
50
25
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
18
38

High Clouds (% Sky Obscured)

100
100
100
100
100
100
63
60
23
18
33
0
1
8
2
2
2
5
29
2
2
2
25
52

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
6
10

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
6
5
4
4
3
4
4
3
3
3
3
3
2
3
3
3
4
5
6
6
7
7
6

Chance of Frost

Temperature (°C)

23
22
21
20
19
18
18
17
17
16
16
16
16
15
15
14
16
19
22
24
26
27
27
28

Feels Like (°C)

22
21
20
19
18
17
18
17
16
17
17
16
18
18
16
15
17
20
22
23
26
27
28
29

Dew Point (°C)

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

Relative Humidity (%)

53
54
56
63
64
64
67
71
74
78
82
83
86
87
87
89
75
57
43
37
35
37
37
37

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1017
1017
1016
1016
1016
1015
1015
1014

Ozone (du)

283
283
283
283
282
282
282
283
282
282
282
283
284
283
283
284
284
283
283
281
280
279
280
281

Thursday 18

Waning Crescent 5%

04:20

18:02

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

Sun - Rise: 06:52, Set: 19:10, Transit: 13:00. Moon - Rise: 04:20, Set: 18:02. Civil Dark: 19:39 - 06:23. Nautical Dark: 20:13 - 05:49. Astro Dark: 20:49 - 05:13

Total Clouds (% Sky Obscured)

100
87
91
86
83
80
77
78
73
85
83
35
29
30
37
55
53
44
40
50
55
43
8
12

Low Clouds (% Sky Obscured)

64
67
65
67
62
56
51
50
50
49
44
35
29
30
35
40
38
26
15
15
15
5
0
0

Medium Clouds (% Sky Obscured)

57
52
43
40
40
37
34
27
23
21
19
15
10
10
7
9
45
30
6
23
33
23
2
0

High Clouds (% Sky Obscured)

100
67
40
10
10
15
20
25
20
34
25
3
2
1
1
5
4
10
10
14
2
2
2
6

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 (%)

12
16
16
15
14
11
2
3
2
0
1
1
1
2
4
2
19
14
7
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
7
6
5
5
6
8
8
9
9
8
7
7
7
7
7
7
8
8
8
7
6
6

Chance of Frost

Temperature (°C)

27
27
26
23
21
20
20
20
19
18
17
16
15
14
13
13
14
14
15
15
16
16
19
21

Feels Like (°C)

28
26
25
22
20
19
19
18
17
17
15
14
15
14
13
13
12
11
12
12
13
14
17
20

Dew Point (°C)

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

Relative Humidity (%)

36
37
40
48
54
56
60
66
69
72
76
78
82
86
89
89
78
75
63
63
59
54
41
34

Pressure (mb)

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

Ozone (du)

281
282
281
282
284
286
285
285
287
285
283
282
281
282
282
282
282
280
279
279
279
280
281
282

Friday 19

Waning Crescent 1%

05:29

18:22

16 Good
17 OK
18 OK
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
15 Good

Sun - Rise: 06:53, Set: 19:08, Transit: 13:00. Moon - Rise: 05:29, Set: 18:22. Civil Dark: 19:37 - 06:24. Nautical Dark: 20:11 - 05:50. Astro Dark: 20:46 - 05:15

Total Clouds (% Sky Obscured)

6
42
23
4
3
2
2
0
0
0
0
0
0
0
1
1
1
2
3
3
3
3
3
3

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

High Clouds (% Sky Obscured)

3
40
23
4
3
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
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
8
8
7
7
8
8
7
7
7
6
7
6
6
7
7
7
7
7
8
7
7
6
5

Chance of Frost

Temperature (°C)

22
21
19
17
14
13
11
10
9
9
8
7
6
6
6
6
6
9
11
14
16
18
19
20

Feels Like (°C)

19
17
15
13
11
9
8
7
6
6
6
5
5
5
5
4
4
4
5
6
7
8
9
17

Dew Point (°C)

4
1
-1
1
1
2
1
1
1
0
0
0
0
0
-0
-0
-1
-2
-2
-3
-4
-5
-6
-6

Relative Humidity (%)

30
25
26
34
42
48
50
51
54
55
57
61
64
67
66
65
62
49
39
31
25
21
17
17

Pressure (mb)

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

Ozone (du)

282
282
282
284
284
285
284
284
284
284
283
282
282
281
282
282
282
282
282
283
282
281
280
278

Saturday 20

Waning Crescent 0%

06:36

18:41

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

Sun - Rise: 06:54, Set: 19:06, Transit: 12:59. Moon - Rise: 06:36, Set: 18:41. Civil Dark: 19:35 - 06:25. Nautical Dark: 20:09 - 05:51. Astro Dark: 20:44 - 05:16

Total Clouds (% Sky Obscured)

3
3
3
3
3
3
3
4
6
7
14
25
45
44
42
41
38
27
14
27
40
53
56
58

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

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
14
25
45
44
42
41
38
27
10
24
39
52
53
54

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
1
1
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)

5
5
4
4
4
4
5
5
5
5
5
5
5
6
6
7
8
9
11
12
11
11
10
10

Chance of Frost

Temperature (°C)

20
20
18
16
14
13
12
11
11
11
11
12
12
13
14
14
15
16
18
19
20
22
23
24

Feels Like (°C)

17
17
17
17
18
11
11
11
11
11
10
9
9
9
9
9
10
14
15
16
16
16
16
23

Dew Point (°C)

-7
-7
-6
-5
-5
-4
-3
-2
-1
0
1
3
6
7
9
10
11
11
12
12
12
12
11
11

Relative Humidity (%)

16
15
19
23
28
32
36
41
44
47
50
56
63
69
71
74
76
72
67
63
58
52
46
45

Pressure (mb)

1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1022
1021
1021
1020

Ozone (du)

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

Sunday 21

New Moon 1%

07:42

18:57

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

Sun - Rise: 06:55, Set: 19:05, Transit: 12:59. Moon - Rise: 07:42, Set: 18:57. Civil Dark: 19:33 - 06:26. Nautical Dark: 20:07 - 05:52. Astro Dark: 20:42 - 05:17

Total Clouds (% Sky Obscured)

61
49
36
24
48
74
96
95
95
94
90
86
82
85
87
89

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
3
5
6
9
11
16
16
19

Medium Clouds (% Sky Obscured)

0
0
0
1
2
3
5
3
2
0
7
11
13
12
11
11

High Clouds (% Sky Obscured)

56
41
28
24
48
74
91
94
95
94
86
72
58
64
71
77

ISS Passover

Visibility (miles)

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

Precipitation Type

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
5
7
8
14
17
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
25
24
22
21
21
20
20
19
19
18
18
18
17
17
17

Feels Like (°C)

22
22
23
23
23
19
18
19
19
19
18
16
16
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

42
41
47
54
62
64
65
67
69
71
73
74
76
76
74
73

Pressure (mb)

1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015

Ozone (du)

272
272
272
271
271
271
271
271
271
270
270
270
270
270
271
271

Forecast for Yarker, Lennox and Addington County, Canada (44.37,-76.77)

Generated: 15/09/25 15:48:13. Forecast: 15/09/25 to 21/09/25. Timezone: UTC-4.00