Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Crescent 1%

07:22

17:23

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

Sun - Rise: 07:12, Set: 17:58, Transit: 12:35. Moon - Rise: 07:22, Set: 17:23. Civil Dark: 18:27 - 06:43. Nautical Dark: 19:00 - 06:10. Astro Dark: 19:33 - 05:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
91
88
78
87
100
100
100
100
98
97
87
90
82
72
52
13
4

Low Clouds (% Sky Obscured)

91
82
79
67
50
47
23
56
38
64
79
97
100
57
76
76
57
73
78
67
60
43
11
4

Medium Clouds (% Sky Obscured)

90
100
100
100
100
100
30
61
70
34
60
100
100
91
100
93
89
73
43
50
41
40
3
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
60
50
0
0
0
0
3
6
50
1
55
5
0
0
0
0
0

ISS Passover

Visibility (miles)

2
1
1
6
9
9
9
5
9
9
9
9
6
8
9
4
9
9
9
9
9
9
9
9

Fog (%)

34
45
2
24
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
64
61
63
49
31
56
94
95
95
95
95
67
51
33
25
7
3
0
0

Precipitation Amount (mm)

0.4
1.2
3.2
1.2
0.2
0
0
0.2
0
0
0
0.5
0.6
0.3
0.7
0.7
0.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
16
15
15
14
13
12
13
13
11
9
9
9
10
10
10
10
9
9
8
7
7
7
5

Relative Humidity (%)

96
96
96
93
92
86
80
83
86
90
88
88
90
92
92
93
91
91
90
88
88
87
85
81

Pressure (mb)

1004
1003
1003
1004
1003
1002
1002
1001
1002
1003
1003
1003
1004
1004
1005
1005
1006
1006
1006
1007
1007
1008
1009
1009

Ozone (du)

266
267
266
269
273
276
281
284
290
296
295
295
298
301
298
295
295
292
285
278
271
269
268
267

Tuesday 21

New Moon 0%

08:26

17:43

09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
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

Sun - Rise: 07:14, Set: 17:56, Transit: 12:34. Moon - Rise: 08:26, Set: 17:43. Civil Dark: 18:25 - 06:45. Nautical Dark: 18:58 - 06:11. Astro Dark: 19:31 - 05:38

Total Clouds (% Sky Obscured)

0
0
8
0
0
0
0
2
4
3
88
95
93
100
100
100
100
100
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
4
3
45
26
7
56
70
79
82
86
92
93
95
100
100
100

Medium Clouds (% Sky Obscured)

0
0
8
0
0
0
0
0
0
0
30
37
93
100
100
100
100
100
96
100
56
84
65
24

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
18
25
32
100
100
100
100
100
25
25
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
8
4
3
1
3
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
31
47
74

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
4
0
0
0
0
2
7
16
29
38
63
37
22
25
38
48
58
86
86

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0.5
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
11
13
14
15
16
17
17
16
13
11
11
11
11
11
11
10
10
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
60
50
48
45
42
42
46
54
68
73
75
77
77
76
83
95
96
98
98
98
98
98
96

Pressure (mb)

1009
1010
1010
1009
1009
1009
1008
1008
1008
1008
1009
1010
1010
1010
1010
1010
1009
1009
1009
1008
1008
1008
1007
1007

Ozone (du)

265
265
264
264
264
263
264
265
267
268
269
271
272
274
276
277
279
281
284
289
294
299
302
303

Wednesday 22

Waxing Crescent 2%

No Rise

18:06

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 OK
23 OK
00 Good
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:15, Set: 17:55, Transit: 12:34. Moon - Rise: No Rise, Set: 18:06. Civil Dark: 18:24 - 06:46. Nautical Dark: 18:57 - 06:13. Astro Dark: 19:30 - 05:40

Total Clouds (% Sky Obscured)

100
92
44
40
51
58
49
48
74
100
99
98
64
39
36
17
40
85
94
95
97
97
97
87

Low Clouds (% Sky Obscured)

100
88
23
20
29
47
24
18
11
3
19
20
22
18
16
17
37
72
73
58
76
79
74
9

Medium Clouds (% Sky Obscured)

36
38
35
33
43
47
48
48
64
98
98
81
64
39
36
0
1
21
43
88
92
93
90
82

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
26
45
37
45
4
4
4
0
0
3
2
2
0
37
28
2

ISS Passover

Visibility (miles)

8
9
4
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

74
74
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Light Rain
Very Light Rain
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

Precipitation Probability (%)

68
78
76
62
57
51
39
34
9
11
16
8
11
5
1
0
0
0
0
0
1
3
2
0

Precipitation Amount (mm)

0
0.4
0.3
0.3
0.3
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
8
9
9
10
11
9
9
6
5
5
5
5
4
4
4
4
5
5
5
5
5
6

Chance of Frost

Temperature (°C)

11
12
13
15
15
16
15
14
13
11
10
10
9
8
8
7
6
6
6
5
5
5
6
6

Feels Like (°C)

10
12
11
14
13
13
11
12
11
8
7
7
7
7
7
6
6
4
3
2
2
2
2
2

Dew Point (°C)

11
12
10
10
8
7
7
6
6
5
6
6
6
5
5
5
4
3
2
1
2
1
1
1

Relative Humidity (%)

96
96
84
75
63
56
58
59
62
69
74
76
80
82
84
85
84
81
75
75
79
75
74
71

Pressure (mb)

1006
1006
1005
1004
1003
1003
1003
1003
1004
1005
1006
1007
1007
1007
1007
1007
1008
1008
1008
1008
1009
1009
1009
1010

Ozone (du)

305
308
310
308
304
303
301
301
300
302
303
301
302
303
301
302
304
304
305
305
307
308
309
310

Thursday 23

Waxing Crescent 5%

09:32

18:34

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

Sun - Rise: 07:16, Set: 17:53, Transit: 12:34. Moon - Rise: 09:32, Set: 18:34. Civil Dark: 18:22 - 06:47. Nautical Dark: 18:56 - 06:14. Astro Dark: 19:29 - 05:41

Total Clouds (% Sky Obscured)

80
50
62
89
100
95
93
86
77
73
78
96
81
98
91
86
78
71
63
56
58
62
59
56

Low Clouds (% Sky Obscured)

12
5
9
14
43
62
30
37
22
12
14
79
24
78
66
82
78
71
63
34
34
51
40
43

Medium Clouds (% Sky Obscured)

78
43
56
89
100
88
89
79
66
52
54
88
58
68
80
67
55
37
21
5
12
19
25
36

High Clouds (% Sky Obscured)

2
2
1
0
0
0
1
0
0
0
0
1
2
3
2
1
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 (%)

1
1
2
3
10
31
43
23
19
19
34
36
15
9
12
20
4
3
5
1
4
4
5
6

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

Chance of Frost

Temperature (°C)

8
9
11
12
13
13
13
12
11
9
8
7
7
6
6
6
6
6
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
61
56
52
50
51
56
63
63
70
82
87
87
91
85
88
85
82
83
82
83
83
85
86

Pressure (mb)

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

Ozone (du)

311
311
312
313
311
310
308
308
308
308
307
307
307
309
310
311
310
310
312
314
315
314
314
314

Friday 24

Waxing Crescent 10%

10:36

19:08

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

Sun - Rise: 07:17, Set: 17:52, Transit: 12:34. Moon - Rise: 10:36, Set: 19:08. Civil Dark: 18:21 - 06:48. Nautical Dark: 18:54 - 06:15. Astro Dark: 19:27 - 05:42

Total Clouds (% Sky Obscured)

77
81
81
77
68
76
82
93
85
79
72
66
64
58
43
27
16
21
30
40
41
47
51
60

Low Clouds (% Sky Obscured)

67
70
63
54
40
40
38
41
45
53
61
54
47
41
25
14
2
5
7
10
19
29
39
43

Medium Clouds (% Sky Obscured)

53
65
62
58
37
45
49
59
43
24
9
10
10
10
10
9
6
4
6
6
7
4
0
0

High Clouds (% Sky Obscured)

5
0
0
1
1
0
0
1
0
0
0
0
1
1
2
2
2
1
1
0
0
0
0
0

ISS Passover

Visibility (miles)

9
5
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 (%)

5
15
10
11
8
8
10
18
12
23
25
27
23
12
13
12
3
7
8
4
11
12
11
13

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
7
7
8
8
8
6
6
4
3
3
3
3
3
3
2
3
3
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
78
84
82
70
60
59
66
81
85
84
90
90
90
91
93
93
93
91
91
88
86
86
84

Pressure (mb)

1017
1018
1018
1018
1018
1017
1018
1019
1019
1020
1020
1021
1021
1021
1022
1022
1023
1023
1023
1024
1024
1025
1025
1026

Ozone (du)

315
316
315
313
311
315
316
316
322
325
323
324
323
322
322
322
323
324
321
318
315
312
309
307

Saturday 25

Waxing Crescent 16%

11:36

19:51

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

Sun - Rise: 07:19, Set: 17:50, Transit: 12:34. Moon - Rise: 11:36, Set: 19:51. Civil Dark: 18:19 - 06:49. Nautical Dark: 18:53 - 06:16. Astro Dark: 19:26 - 05:43

Total Clouds (% Sky Obscured)

69
78
72
65
60
50
40
30
28
17
12
21
33
39
28
22
15
16
17
18
20
26
29
38

Low Clouds (% Sky Obscured)

47
51
54
57
60
50
40
30
28
17
9
17
26
35
28
22
15
16
17
18
20
26
29
38

Medium Clouds (% Sky Obscured)

0
1
0
1
2
1
1
1
0
0
0
0
0
1
1
2
2
3
4
4
3
4
4
13

High Clouds (% Sky Obscured)

1
0
0
2
3
2
2
1
1
1
1
21
33
39
28
22
1
16
17
18
20
14
5
24

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 (%)

14
13
11
8
2
2
1
0
1
1
0
1
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
5
7
7
7
7
7
6
5
4
4
3
3
3
2
2
2
2
2
2
2
2
1
1

Chance of Frost

Temperature (°C)

4
6
8
9
9
10
9
9
8
6
4
2
2
1
-1
-1
-1
-1
-1
-1
-2
-1
-1
-1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
67
61
57
53
50
53
56
60
66
75
85
88
91
92
92
94
94
94
94
94
92
91
87

Pressure (mb)

1026
1027
1027
1027
1026
1026
1026
1026
1026
1027
1027
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

307
307
307
306
306
305
304
302
301
299
298
297
296
295
295
294
293
292
293
293
294
294
293
293

Sunday 26

Waxing Crescent 24%

12:31

20:43

09 OK
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

Sun - Rise: 07:20, Set: 17:49, Transit: 12:34. Moon - Rise: 12:31, Set: 20:43. Civil Dark: 18:18 - 06:51. Nautical Dark: 18:51 - 06:17. Astro Dark: 19:24 - 05:44

Total Clouds (% Sky Obscured)

43
52
60
71
78
85
93
98
91
84
77
65
48
26
16
7
6

Low Clouds (% Sky Obscured)

36
32
38
48
68
79
86
92
80
71
62
46
28
11
5
5
5

Medium Clouds (% Sky Obscured)

17
21
31
37
43
42
55
55
58
52
35
35
30
26
16
5
5

High Clouds (% Sky Obscured)

43
52
60
71
78
74
47
26
36
50
77
65
47
20
16
7
6

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
0
15
22
26
31
36
39
38
38
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

1
1
1
1
2
2
2
3
3
3
3
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
64
53
52
51
49
52
55
59
65
72
80
82
86
89
91
91

Pressure (mb)

1029
1029
1028
1028
1027
1026
1026
1026
1025
1026
1026
1027
1027
1027
1027
1027
1027

Ozone (du)

293
292
292
292
292
292
292
292
293
293
294
295
295
295
296
295
295

Forecast for Chester, Windsor, United States of America (43.26,-72.60)

Generated: 20/10/25 09:06:20. Forecast: 20/10/25 to 26/10/25. Timezone: UTC-4.00