Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waning Gibbous 86%

19:28

11:37

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

Sun - Rise: 06:59, Set: 18:16, Transit: 12:37. Moon - Rise: 19:28, Set: 11:37. Civil Dark: 18:44 - 06:31. Nautical Dark: 19:17 - 05:58. Astro Dark: 19:50 - 05:25

Total Clouds (% Sky Obscured)

23
16
12
0
0
0
0
0
13
35
39
32
35
32
17
15
9
3
3
4
20
4
2
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
13
35
39
32
35
32
17
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
0
0
0
0
0
0
0
0
0
0
2
3
15
7
2
3
4
20
4
2
2

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)

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

Chance of Frost

Temperature (°C)

11
10
8
6
5
3
2
1
0
-1
-1
-2
-2
-2
-2
-2
-1
3
7
10
12
13
14
15

Feels Like (°C)

8
8
7
5
4
3
1
1
0
-1
-1
-2
-3
-3
-2
-2
-1
2
6
8
10
11
12
12

Dew Point (°C)

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

Relative Humidity (%)

32
37
51
58
63
65
66
69
70
71
71
74
74
74
75
75
63
48
40
34
31
29
27
26

Pressure (mb)

1030
1031
1031
1032
1033
1033
1034
1034
1034
1035
1035
1034
1034
1035
1035
1035
1035
1034
1033
1032
1031
1030
1029
1027

Ozone (du)

305
308
306
305
305
307
308
305
305
306
305
303
302
302
302
302
299
296
294
292
289
287
287
287

Friday 10

Waning Gibbous 76%

20:13

12:52

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

Sun - Rise: 07:00, Set: 18:14, Transit: 12:36. Moon - Rise: 20:13, Set: 12:52. Civil Dark: 18:43 - 06:32. Nautical Dark: 19:16 - 05:59. Astro Dark: 19:49 - 05:26

Total Clouds (% Sky Obscured)

2
2
2
2
19
55
34
42
51
75
66
52
41
10
17
33
3
0
1
72
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
5
22
14
7
1
0
8
18
0
0
0
0
0
5
6
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)

2
2
2
2
10
27
32
42
51
55
45
27
26
7
2
2
1
0
1
72
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
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)

8
7
5
4
3
4
3
4
3
3
3
3
3
3
3
2
1
2
2
1
2
2
3
3

Chance of Frost

Temperature (°C)

15
14
11
8
6
5
5
5
4
4
4
4
4
3
3
2
3
7
11
13
15
16
17
17

Feels Like (°C)

12
12
10
7
6
4
5
3
2
1
1
1
2
1
2
2
4
7
12
15
14
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

29
39
55
63
66
70
73
75
77
82
86
91
94
96
98
96
91
78
66
57
52
47
43
43

Pressure (mb)

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

Ozone (du)

286
285
285
287
289
291
292
293
292
291
291
291
292
291
290
295
298
299
298
296
294
294
293
293

Saturday 11

Waning Gibbous 65%

21:10

13:54

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:01, Set: 18:12, Transit: 12:36. Moon - Rise: 21:10, Set: 13:54. Civil Dark: 18:41 - 06:33. Nautical Dark: 19:14 - 06:00. Astro Dark: 19:47 - 05:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

9
13
12
11
14
24
0
4
2
14
13
11
14
20
20
21
62
86
84
64
68
47
41
48

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
80
85
81
81
80
82
72
82
86
93
96
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
87
81

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
7
8
46
81
85
90
78
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.5
0.5
0.4
0.6

Wind Speed/Direction (mph)

3
3
2
1
2
1
1
2
2
3
3
3
3
3
3
3
3
4
7
8
9
8
9
9

Chance of Frost

Temperature (°C)

17
16
13
11
10
10
9
8
8
8
7
7
7
7
7
8
9
10
11
11
11
11
11
11

Feels Like (°C)

15
14
12
10
9
9
8
7
6
7
6
5
6
5
5
6
7
8
9
8
8
8
8
8

Dew Point (°C)

5
8
8
7
8
8
7
7
6
7
6
6
7
6
6
6
6
7
8
8
6
6
6
6

Relative Humidity (%)

45
59
70
76
83
87
90
91
91
93
94
94
94
91
90
90
84
80
81
80
72
72
70
70

Pressure (mb)

1024
1023
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023

Ozone (du)

291
293
294
295
294
293
293
293
292
292
290
289
289
289
288
287
287
287
285
284
283
283
282
281

Sunday 12

Waning Gibbous 54%

22:17

14:42

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:03, Set: 18:11, Transit: 12:36. Moon - Rise: 22:17, Set: 14:42. Civil Dark: 18:39 - 06:34. Nautical Dark: 19:12 - 06:01. Astro Dark: 19:45 - 05:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

28
79
99
100
100
100
100
99
99
98
99
99
98
99
99
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
82
40
52
58
65
50
46
52
53
65
80
90
90
95
95

High Clouds (% Sky Obscured)

47
46
55
60
60
60
55
30
25
15
37
68
99
99
97
100
97
95
95
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
91
93
85
88
84
68
50
55
60
61
74
41
38
31
44
64
65
52
56
73
83

Precipitation Amount (mm)

1.1
1.2
1
0.6
0.6
0.5
0.7
0.6
0.2
0
0
0.2
0.2
0.6
0
0
0
0
0.5
0.6
0.3
0.3
0.6
0.7

Wind Speed/Direction (mph)

10
10
11
11
10
11
11
11
11
12
12
12
11
11
11
11
11
10
10
9
9
9
9
8

Chance of Frost

Temperature (°C)

11
11
11
10
11
11
11
11
11
11
11
11
10
10
10
10
10
10
10
10
9
10
10
9

Feels Like (°C)

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

Dew Point (°C)

6
9
9
9
10
10
10
10
10
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9

Relative Humidity (%)

70
88
91
91
93
95
95
95
95
95
95
93
93
93
95
96
95
95
95
95
95
93
93
95

Pressure (mb)

1022
1023
1022
1023
1023
1022
1021
1021
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

278
277
276
275
276
276
277
279
279
279
280
282
282
282
283
284
285
286
286
287
287
287
288
288

Monday 13

Third Quarter 42%

23:30

15:19

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:04, Set: 18:09, Transit: 12:36. Moon - Rise: 23:30, Set: 15:19. Civil Dark: 18:38 - 06:35. Nautical Dark: 19:11 - 06:02. Astro Dark: 19:44 - 05:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
96
97
98
98
96
93

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
96
97
98
98
96
93

Medium Clouds (% Sky Obscured)

95
95
95
95
95
90
90
92
87
81
66
60
60
60
55
55
54
53
52
58
64
75
80
61

High Clouds (% Sky Obscured)

100
99
98
97
95
89
89
91
84
85
85
76
71
60
55
40
15
16
16
16
21
16
18
14

ISS Passover

Visibility (miles)

2
4
5
6
7
5
8
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

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

Precipitation Probability (%)

95
95
95
95
95
89
78
71
67
64
72
78
76
71
62
55
79
61
35
38
34
17
28
26

Precipitation Amount (mm)

2.5
1
0.9
2.3
1.5
0.9
0.8
0.6
0.4
0.4
0.5
0.6
0.4
0.4
0.4
0.3
0.5
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
7
7
7
7
7
7
6
6
7
7
7
7
7
7
8
8
8
8
8
8
8
10

Dew Point (°C)

8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
9
9
8
9
8
8
7
6
6

Relative Humidity (%)

93
95
95
93
93
96
96
96
96
96
98
96
98
98
96
98
98
91
87
81
79
75
72
73

Pressure (mb)

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

Ozone (du)

291
292
293
294
295
291
287
284
281
278
276
276
276
277
279
280
282
283
283
284
286
288
289
290

Tuesday 14

Waning Crescent 32%

00:44

15:47

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:05, Set: 18:07, Transit: 12:35. Moon - Rise: 00:44, Set: 15:47. Civil Dark: 18:36 - 06:36. Nautical Dark: 19:09 - 06:03. Astro Dark: 19:42 - 05:30

Total Clouds (% Sky Obscured)

88
83
76
67
77
87
96
96
95
94
92
90
88
83
89
87
79
69
58
64
72
81
87
93

Low Clouds (% Sky Obscured)

88
83
76
67
77
72
59
60
62
62
59
56
54
55
55
56
56
57
57
50
42
36
34
33

Medium Clouds (% Sky Obscured)

47
13
7
5
5
4
4
0
0
4
3
3
2
2
1
2
7
7
3
13
24
36
49
63

High Clouds (% Sky Obscured)

21
35
41
60
77
76
96
67
14
0
0
0
0
0
0
0
15
30
45
62
72
81
71
70

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 (%)

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

Chance of Frost

Temperature (°C)

11
11
10
10
10
10
10
9
9
9
9
9
9
9
9
9
10
12
13
14
15
15
16
15

Feels Like (°C)

10
9
10
11
13
8
8
8
8
8
9
8
8
8
8
7
8
10
10
10
11
12
13
15

Dew Point (°C)

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

Relative Humidity (%)

73
74
80
87
93
90
88
88
88
90
90
88
88
90
88
87
87
75
64
55
53
51
50
53

Pressure (mb)

1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1012
1012
1011
1010
1010

Ozone (du)

291
292
293
294
295
294
294
293
292
291
290
290
290
289
289
290
290
290
290
291
291
292
293
294

Wednesday 15

Waning Crescent 22%

01:56

No Set

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
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:06, Set: 18:06, Transit: 12:35. Moon - Rise: 01:56, Set: No Set. Civil Dark: 18:34 - 06:38. Nautical Dark: 19:07 - 06:05. Astro Dark: 19:40 - 05:32

Total Clouds (% Sky Obscured)

99
99
98
99
98
97
95
94
92
96
96
97
100
100
99
99
99
98
97
91
84
78

Low Clouds (% Sky Obscured)

31
48
63
70
69
77
86
84
86
96
96
97
93
87
84
79
83
88
90
89
82
76

Medium Clouds (% Sky Obscured)

77
75
70
66
44
27
11
33
54
76
83
86
98
98
98
97
79
57
37
26
10
8

High Clouds (% Sky Obscured)

68
53
52
47
26
15
7
5
11
13
39
72
99
89
78
82
94
96
94
79
61
44

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
1
1
0
2
3
3
34
53
68
77
77
68
53
37
17
21
24
28
34
40
46

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
14
13
11
11
11
10
10
9
9
9
8
9
9
9
9
9
10
11
11
12

Feels Like (°C)

14
13
13
13
13
9
9
9
9
9
9
8
8
8
8
9
8
8
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

56
60
65
71
76
77
77
77
84
90
96
96
96
98
96
95
93
88
84
80
76
72

Pressure (mb)

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

Ozone (du)

296
298
301
305
308
310
312
314
317
319
321
323
325
327
325
323
321
323
324
326
319
313

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

Generated: 09/10/25 16:04:45. Forecast: 09/10/25 to 15/10/25. Timezone: UTC-4.00