Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

New Moon 0%

08:47

17:57

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

Sun - Rise: 07:32, Set: 18:11, Transit: 12:51. Moon - Rise: 08:47, Set: 17:57. Civil Dark: 18:41 - 07:02. Nautical Dark: 19:15 - 06:29. Astro Dark: 19:48 - 05:55

Total Clouds (% Sky Obscured)

28
29
44
68
97
100
100
100
32
51
66
34
46
53
92
41
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

28
29
39
40
33
100
100
100
31
39
51
34
46
50
46
30
14
53
74
91
80
68
60
40

Medium Clouds (% Sky Obscured)

0
29
44
68
93
100
76
52
0
26
44
0
1
25
64
30
97
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
9
0
0
0
0
0
0
0
4
86
2
100
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
4
4
2
3
6
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
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
11
40
29
3
15
15
24
26
35
2
14
22
35
45
64
95
95
95
77
71
72

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0.4
1.8
2.3
1.2
0.3
0.3
0.3

Wind Speed/Direction (mph)

3
2
5
7
11
9
8
7
7
7
7
7
7
5
5
4
4
5
6
7
7
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
64
61
56
49
57
70
71
72
76
77
84
85
85
84
84
84
85
85
85
88
87
84
81

Pressure (mb)

1009
1008
1008
1007
1006
1005
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1004
1004
1003
1003
1003
1002
1003
1003

Ozone (du)

266
268
272
274
277
280
284
286
287
287
289
292
293
297
308
312
312
312
311
312
314
318
320
322

Wednesday 22

Waxing Crescent 2%

09:53

18:19

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:33, Set: 18:10, Transit: 12:51. Moon - Rise: 09:53, Set: 18:19. Civil Dark: 18:39 - 07:04. Nautical Dark: 19:13 - 06:30. Astro Dark: 19:47 - 05:56

Total Clouds (% Sky Obscured)

100
100
78
99
92
67
61
95
99
88
62
63
76
85
42
39
44
52
43
64
80
83
100
100

Low Clouds (% Sky Obscured)

57
61
51
70
66
50
38
52
58
59
62
63
62
69
42
39
44
52
43
64
65
67
58
54

Medium Clouds (% Sky Obscured)

100
100
68
92
72
33
35
84
98
64
45
45
27
43
3
0
0
0
0
15
47
51
100
100

High Clouds (% Sky Obscured)

36
35
30
0
0
30
61
66
13
0
0
0
0
0
0
0
0
0
0
0
0
0
10
10

ISS Passover

Visibility (miles)

8
7
9
9
9
8
6
8
6
5
4
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

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

Precipitation Probability (%)

77
58
51
47
49
62
60
61
61
62
60
52
53
33
22
29
22
31
48
55
56
29
25
38

Precipitation Amount (mm)

0.4
0
0
0
0
0.3
0
0.2
0.2
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
80
78
73
69
71
69
71
77
84
81
79
85
85
82
82
82
85
90
91
93
91
88
84

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1005
1005
1006

Ozone (du)

322
324
325
325
327
327
328
329
328
328
325
324
323
323
325
326
328
328
326
325
323
321
322
324

Thursday 23

Waxing Crescent 5%

09:53

18:46

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:35, Set: 18:08, Transit: 12:51. Moon - Rise: 09:53, Set: 18:46. Civil Dark: 18:38 - 07:05. Nautical Dark: 19:12 - 06:31. Astro Dark: 19:45 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
99
100
99
99
89
92
96
66
59
71
69
72
86
100
99
100
100
100
100
97
94

Low Clouds (% Sky Obscured)

50
73
79
96
80
81
36
46
56
72
66
5
0
1
14
22
0
0
0
31
45
57
66
76

Medium Clouds (% Sky Obscured)

100
100
100
82
100
93
84
52
32
36
47
49
62
54
48
57
91
94
100
100
100
100
95
90

High Clouds (% Sky Obscured)

100
100
100
55
22
89
91
82
51
22
31
5
4
3
7
42
100
72
85
100
72
4
2
1

ISS Passover

Visibility (miles)

9
9
9
7
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

45
50
56
60
35
27
23
26
16
16
13
11
11
5
4
4
6
11
18
21
38
39
27
35

Precipitation Amount (mm)

0
0
0.2
0.3
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
9
9
10
8
8
10
9
6
4
6
6
7
7
7
6
6
6
6
6
5
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
84
84
84
84
80
73
73
77
79
70
78
80
82
85
91
89
91
88
86
86
88
88
85

Pressure (mb)

1007
1007
1007
1008
1008
1008
1009
1010
1011
1012
1012
1013
1013
1014
1014
1014
1014
1015
1015
1015
1016
1016
1017
1017

Ozone (du)

326
327
326
322
318
316
316
316
314
310
308
309
308
309
313
313
312
313
313
313
315
319
320
322

Friday 24

Waxing Crescent 10%

10:58

19:20

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:36, Set: 18:07, Transit: 12:51. Moon - Rise: 10:58, Set: 19:20. Civil Dark: 18:36 - 07:06. Nautical Dark: 19:10 - 06:32. Astro Dark: 19:44 - 05:59

Total Clouds (% Sky Obscured)

92
94
96
97
97
91
83
88
90
89
84
79
75
78
84
89
91
90
92
88
82
78
70
67

Low Clouds (% Sky Obscured)

86
90
95
97
93
86
79
74
72
68
47
26
5
5
5
5
13
26
34
38
52
59
56
52

Medium Clouds (% Sky Obscured)

86
68
31
21
23
28
31
36
39
52
56
57
59
73
82
51
41
40
32
29
18
8
7
7

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
0
1
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 (%)

32
25
29
23
28
15
20
6
3
0
0
0
0
0
0
0
1
1
1
2
2
1
2
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
81
69
62
64
69
60
57
61
56
57
55
53
54
55
56
57
59
62
66
68
69
68
64

Pressure (mb)

1018
1018
1018
1018
1018
1019
1019
1020
1020
1021
1022
1023
1023
1023
1024
1024
1024
1025
1025
1026
1026
1026
1027
1028

Ozone (du)

322
322
321
321
325
325
324
324
320
319
318
315
314
314
317
318
318
318
319
322
321
315
309
305

Saturday 25

Waxing Crescent 16%

11:59

20:02

10 Bad
11 Bad
12 Bad
13 OK
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

Sun - Rise: 07:37, Set: 18:05, Transit: 12:51. Moon - Rise: 11:59, Set: 20:02. Civil Dark: 18:35 - 07:08. Nautical Dark: 19:09 - 06:33. Astro Dark: 19:42 - 06:00

Total Clouds (% Sky Obscured)

67
81
84
47
88
96
88
88
83
63
62
60
54
57
94
93
87
73
57
63
70
78
67
57

Low Clouds (% Sky Obscured)

49
63
75
47
88
96
88
88
83
63
62
60
54
57
72
74
56
49
41
40
39
37
25
13

Medium Clouds (% Sky Obscured)

5
6
8
8
12
18
19
21
23
25
29
26
23
21
68
86
79
61
34
36
44
57
53
48

High Clouds (% Sky Obscured)

0
0
0
0
1
2
2
1
1
0
0
0
0
0
80
85
74
48
22
43
63
78
63
33

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
0
0
0
0
0
5
6
9
6
5
0
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)

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

Chance of Frost

Temperature (°C)

7
8
9
10
11
11
11
10
8
7
6
5
5
4
4
4
3
3
2
2
2
2
1
3

Feels Like (°C)

4
5
5
6
8
7
7
7
5
4
5
3
3
2
1
0
-0
-1
-1
-1
-1
-1
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

54
46
45
42
40
40
39
42
49
52
57
63
66
68
71
72
73
74
76
76
76
77
77
68

Pressure (mb)

1028
1028
1028
1027
1027
1027
1027
1027
1027
1028
1028
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1031
1031
1031

Ozone (du)

302
300
302
305
305
304
307
306
307
306
306
307
306
303
304
309
307
304
301
298
299
300
300
301

Sunday 26

Waxing Crescent 24%

12:54

20:54

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

Sun - Rise: 07:39, Set: 18:04, Transit: 12:50. Moon - Rise: 12:54, Set: 20:54. Civil Dark: 18:33 - 07:09. Nautical Dark: 19:07 - 06:35. Astro Dark: 19:41 - 06:01

Total Clouds (% Sky Obscured)

47
57
70
83
78
72
66
51
37
23
21
21
19
23
26
34
27
14
2
1
1
0
0
0

Low Clouds (% Sky Obscured)

1
16
31
49
53
54
55
47
37
23
21
21
19
23
26
34
27
14
2
1
1
0
0
0

Medium Clouds (% Sky Obscured)

37
47
60
74
66
58
50
33
18
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
2
6
8
7
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
1
2
3
4
7
7
7
8
7
7
4
4
3
3
3
2
0
1
-0
0
0
-0
-1

Dew Point (°C)

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

Relative Humidity (%)

59
51
48
44
41
41
42
42
46
51
58
61
65
67
69
73
76
77
78
80
81
81
83
72

Pressure (mb)

1031
1031
1031
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031
1032
1032
1032
1032
1032
1032
1032
1033
1033
1033
1033

Ozone (du)

301
302
302
303
303
304
304
304
304
303
303
301
299
296
295
293
292
289
287
285
283
282
281
280

Monday 27

Waxing Crescent 33%

13:40

21:55

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

Sun - Rise: 07:40, Set: 18:02, Transit: 12:50. Moon - Rise: 13:40, Set: 21:55. Civil Dark: 18:32 - 07:10. Nautical Dark: 19:06 - 06:36. Astro Dark: 19:40 - 06:02

Total Clouds (% Sky Obscured)

0
9
22
37
35
28
18
20
21
23
16
8
2
1
1
1
4
7
11
25
40
55

Low Clouds (% Sky Obscured)

0
9
22
37
35
22
13
14
15
16
10
5
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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
5

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

7
8
8
8
8
8
7
7
7
7
6
7
7
7
7
7
7
7
6
6
6
6

Chance of Frost

Temperature (°C)

5
7
8
10
11
11
10
10
9
7
6
5
5
4
4
4
4
3
3
3
4
4

Feels Like (°C)

0
1
2
3
3
9
9
8
8
8
8
3
3
3
3
3
3
2
2
2
2
2

Dew Point (°C)

-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
-1
-1
-1
-1
1
1

Relative Humidity (%)

63
55
49
45
40
42
42
43
47
52
57
60
63
66
68
71
72
75
76
77
80
80

Pressure (mb)

1033
1033
1033
1032
1031
1031
1031
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030

Ozone (du)

279
278
278
277
277
276
275
273
272
271
269
269
268
268
267
267
266
265
265
264
264
264

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

Generated: 21/10/25 10:44:04. Forecast: 21/10/25 to 27/10/25. Timezone: UTC-4.00