Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

New Moon 2%

08:26

18:06

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
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:14, Set: 17:55, Transit: 12:34. Moon - Rise: 08:26, Set: 18:06. Civil Dark: 18:24 - 06:45. Nautical Dark: 18:57 - 06:11. Astro Dark: 19:30 - 05:38

Total Clouds (% Sky Obscured)

94
94
100
100
100
100
100
100
100
100
100
95
95
92
90
60
73
48
37
25
32
56
71
95

Low Clouds (% Sky Obscured)

11
27
37
35
69
83
100
79
100
74
82
84
85
68
82
56
59
48
37
25
32
49
42
34

Medium Clouds (% Sky Obscured)

59
69
94
100
100
100
97
100
100
100
100
79
76
70
51
40
30
31
0
0
1
33
46
81

High Clouds (% Sky Obscured)

66
70
82
100
100
100
100
62
100
100
100
55
0
0
0
12
6
0
3
0
0
1
68
42

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
58
45
21
9
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
51
95
95
95
95
95
95
95
78
84
58
80
93
65
64
34
9
3
2
1
1

Precipitation Amount (mm)

0
0
0
0
2.1
1.1
1.4
1.7
2.9
2.7
0.9
0
0.6
0
0.3
0.7
0
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
11
10
10
10
10
11
10
11
11
11
12
12
13
14
15
14
14
13
13
11
10

Feels Like (°C)

9
9
9
9
8
8
10
9
10
10
10
9
10
10
10
12
13
12
12
11
12
11
9
7

Dew Point (°C)

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

Relative Humidity (%)

79
79
73
75
76
88
95
96
98
100
100
96
95
96
93
90
73
70
67
62
57
61
68
72

Pressure (mb)

1010
1010
1010
1010
1009
1009
1009
1008
1007
1007
1006
1005
1005
1004
1004
1003
1003
1002
1003
1003
1003
1004
1005
1005

Ozone (du)

271
274
276
279
280
281
282
284
286
287
291
296
301
304
310
312
315
315
309
306
303
302
302
301

Wednesday 22

Waxing Crescent 5%

09:32

18:34

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

Sun - Rise: 07:15, Set: 17:53, Transit: 12:34. Moon - Rise: 09:32, Set: 18:34. Civil Dark: 18:22 - 06:46. Nautical Dark: 18:56 - 06:13. Astro Dark: 19:29 - 05:40

Total Clouds (% Sky Obscured)

75
99
91
70
40
47
70
74
75
94
71
65
42
68
96
90
94
91
98
93
82
90
83
76

Low Clouds (% Sky Obscured)

41
61
40
38
15
19
58
74
75
94
63
45
29
15
76
69
79
76
90
37
61
14
42
67

Medium Clouds (% Sky Obscured)

60
86
84
65
27
14
48
26
24
9
28
32
10
60
62
67
83
53
65
92
82
84
76
57

High Clouds (% Sky Obscured)

23
29
27
3
3
29
12
2
20
5
25
23
2
1
9
18
23
8
18
34
23
6
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
1
2
1
0
0
1
3
3
2
2
0
0
0
0
2
10
6
16
12
7
8
6
4

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

Chance of Frost

Temperature (°C)

9
8
8
8
8
7
6
6
6
6
6
6
6
8
10
11
11
12
12
12
12
12
10
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
77
79
81
85
87
90
85
79
80
79
80
81
70
66
65
62
62
67
73
67
71
78
85

Pressure (mb)

1006
1006
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1012

Ozone (du)

301
303
303
303
303
304
305
306
306
307
307
309
312
314
313
313
313
313
313
310
309
313
313
311

Thursday 23

Waxing Crescent 10%

10:36

19:08

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
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 OK
17 OK
18 OK
19 OK

Sun - Rise: 07:16, Set: 17:52, Transit: 12:34. Moon - Rise: 10:36, Set: 19:08. Civil Dark: 18:21 - 06:47. Nautical Dark: 18:54 - 06:14. Astro Dark: 19:27 - 05:41

Total Clouds (% Sky Obscured)

69
57
49
66
57
58
63
44
58
92
90
94
79
88
86
98
98
82
47
93
22
29
24
21

Low Clouds (% Sky Obscured)

60
57
49
66
57
58
63
39
26
52
73
78
67
65
60
90
78
70
36
75
13
18
14
20

Medium Clouds (% Sky Obscured)

68
50
25
20
0
4
12
18
26
80
72
86
67
76
66
78
95
68
47
39
22
20
14
13

High Clouds (% Sky Obscured)

1
4
0
0
1
1
1
1
6
33
34
2
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
8
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
2
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
5
3
11
5
4
1
1
0
1
3
12
6
7
18
19
21
18
20
26
17
16
13
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
77
82
84
81
82
82
82
86
88
88
82
80
82
82
80
77
66
65
62
71
69
79
85

Pressure (mb)

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

Ozone (du)

311
313
317
316
317
317
317
316
315
315
317
319
322
325
328
329
329
329
327
325
324
323
321
317

Friday 24

Waxing Crescent 16%

11:36

19:51

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

Sun - Rise: 07:17, Set: 17:50, Transit: 12:34. Moon - Rise: 11:36, Set: 19:51. Civil Dark: 18:19 - 06:48. Nautical Dark: 18:53 - 06:15. Astro Dark: 19:26 - 05:42

Total Clouds (% Sky Obscured)

24
19
24
27
29
36
33
26
16
11
12
24
40
49
70
83
86
90
92
90
91
83
69
65

Low Clouds (% Sky Obscured)

16
10
15
15
11
11
7
10
9
5
12
24
40
47
62
83
86
90
92
81
81
69
56
58

Medium Clouds (% Sky Obscured)

10
6
8
10
13
15
12
10
7
4
2
0
0
0
0
0
0
0
4
8
12
12
12
12

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
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 (%)

7
6
1
1
2
0
1
3
2
3
2
0
0
1
4
7
16
4
2
2
1
2
2
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
93
94
94
94
93
93
94
93
93
93
83
75
60
54
57
59
57
58
54
60
71
80

Pressure (mb)

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

Ozone (du)

312
314
318
322
327
325
322
321
316
314
314
313
310
309
312
318
317
315
314
310
306
303
301
300

Saturday 25

Waxing Crescent 24%

12:31

No Set

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

Sun - Rise: 07:19, Set: 17:49, Transit: 12:34. Moon - Rise: 12:31, Set: No Set. Civil Dark: 18:18 - 06:49. Nautical Dark: 18:51 - 06:16. Astro Dark: 19:24 - 05:43

Total Clouds (% Sky Obscured)

61
54
50
44
61
54
50
24
19
21
44
11
21
27
36
53
72
85
89
92
97
89
79
67

Low Clouds (% Sky Obscured)

53
54
50
44
41
34
29
24
18
16
12
9
17
26
34
53
72
85
84
69
54
57
61
64

Medium Clouds (% Sky Obscured)

8
4
0
0
0
0
0
0
0
0
31
0
5
10
15
20
26
35
46
41
35
9
5
5

High Clouds (% Sky Obscured)

0
0
0
0
15
15
15
1
2
8
44
2
3
4
5
12
18
25
44
65
81
56
46
57

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 (%)

2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

4
4
3
2
2
2
1
1
0
-1
-1
-0
0
3
5
8
8
9
9
9
8
8
7
6

Feels Like (°C)

4
3
3
2
1
-1
-1
-2
-1
-1
-2
-3
-1
1
1
3
3
4
5
7
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

85
89
91
93
94
93
91
91
91
91
92
91
87
74
62
54
52
50
49
53
58
64
70
79

Pressure (mb)

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

Ozone (du)

303
305
307
308
311
312
313
312
313
313
312
313
314
313
312
312
314
315
317
320
322
324
323
323

Sunday 26

Waxing Crescent 33%

13:18

20:43

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

Sun - Rise: 07:20, Set: 17:47, Transit: 12:34. Moon - Rise: 13:18, Set: 20:43. Civil Dark: 18:17 - 06:51. Nautical Dark: 18:50 - 06:17. Astro Dark: 19:23 - 05:44

Total Clouds (% Sky Obscured)

62
57
52
47
45
44
31
18
5
6
10
12
13
14
14
13
12
7
10
12
14
15
17
18

Low Clouds (% Sky Obscured)

54
45
36
30
25
20
13
7
0
4
7
11
13
14
14
13
12
7
10
12
14
15
17
18

Medium Clouds (% Sky Obscured)

5
5
5
0
0
4
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

51
25
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
4
4
4

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 (%)

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

Chance of Frost

Temperature (°C)

4
4
3
3
2
2
1
1
-0
-1
-1
-1
-0
2
5
7
8
9
10
9
9
8
6
4

Feels Like (°C)

7
2
1
2
2
2
1
-0
-1
-1
-1
-1
-1
-0
0
2
2
3
3
9
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
91
91
93
93
92
92
94
92
89
87
73
62
53
49
46
44
49
55
61
66
75

Pressure (mb)

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

Ozone (du)

322
318
315
311
311
310
310
308
306
304
304
303
303
301
299
297
295
293
292
291
291
290
289
288

Monday 27

Waxing Crescent 43%

13:56

21:43

20 Good
21 Good
22 OK
23 OK
00 OK
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

Sun - Rise: 07:21, Set: 17:46, Transit: 12:34. Moon - Rise: 13:56, Set: 21:43. Civil Dark: 18:15 - 06:52. Nautical Dark: 18:49 - 06:18. Astro Dark: 19:22 - 05:45

Total Clouds (% Sky Obscured)

16
12
9
9
9
5
5
8
8
5
3
0
3
5
5
4
0
0

Low Clouds (% Sky Obscured)

16
12
7
8
7
1
0
1
2
2
1
0
1
2
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

High Clouds (% Sky Obscured)

2
1
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

3
3
2
2
2
2
3
3
3
3
3
2
2
3
4
4
4
4

Chance of Frost

Temperature (°C)

2
2
2
1
1
1
-0
0
-0
0
-0
0
0
3
6
9
10
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
86
88
89
91
91
92
92
92
94
92
91
89
76
64
54
49
45

Pressure (mb)

1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1028

Ozone (du)

287
285
284
283
282
281
280
279
278
277
277
277
277
276
275
274
273
273

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

Generated: 21/10/25 20:09:27. Forecast: 21/10/25 to 27/10/25. Timezone: UTC-4.00