Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 8

Waning Gibbous 80%

20:15

11:36

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:37, Set: 16:31, Transit: 11:34. Moon - Rise: 20:15, Set: 11:36. Civil Dark: 17:01 - 06:07. Nautical Dark: 17:35 - 05:32. Astro Dark: 18:09 - 04:59

Total Clouds (% Sky Obscured)

100
100
100
100
91
100
100
100
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

40
70
83
83
77
89
100
90
91
100
100
100
100
100
100
94
84
93
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

80
99
100
100
78
91
87
81
81
100
100
99
66
71
82
87
75
81
66
83
99
100
100
100

High Clouds (% Sky Obscured)

100
100
69
96
3
7
66
4
7
38
74
100
100
100
89
78
100
100
100
100
100
100
100
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
2
9
9
9
9
7
6
4
3
3
1
3
2
2
2
4
3
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
29
21
57
10
0
0
0
73
69
74
72

Precipitation Type

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

Precipitation Probability (%)

0
0
0
55
50
85
95
81
55
41
38
45
34
14
8
7
12
39
60
76
95
39
61
72

Precipitation Amount (mm)

0
0
0
0
0
0.5
0.8
0.6
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.9
0
0.3
0.6

Wind Speed/Direction (mph)

4
4
3
2
2
1
1
2
2
1
1
3
3
4
3
3
6
9
9
6
5
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
86
83
79
79
89
93
93
93
93
93
94
94
93
94
96
94
94
96
96
98
98
100

Pressure (mb)

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

Ozone (du)

294
296
297
295
294
290
287
287
287
285
285
287
286
287
285
284
282
282
284
282
279
276
276
276

Sunday 9

Waning Gibbous 70%

21:32

12:18

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:38, Set: 16:30, Transit: 11:34. Moon - Rise: 21:32, Set: 12:18. Civil Dark: 17:00 - 06:08. Nautical Dark: 17:34 - 05:33. Astro Dark: 18:08 - 05:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
98
89
99
100
99
95
99
88
98
98
98
93
98
84
87
65

Low Clouds (% Sky Obscured)

96
100
91
93
84
86
85
83
79
88
99
100
99
95
99
88
96
97
98
93
98
84
87
65

Medium Clouds (% Sky Obscured)

93
94
99
100
100
96
100
97
93
77
69
57
76
69
78
77
83
46
5
2
2
0
0
0

High Clouds (% Sky Obscured)

100
30
75
70
60
60
60
25
3
0
0
0
0
0
0
0
17
20
2
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

69
31
77
70
63
31
0
0
0
2
6
18
17
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

47
88
75
95
95
95
95
90
43
10
12
20
16
42
28
29
24
25
12
10
15
14
10
7

Precipitation Amount (mm)

0
0.5
0.2
1
2.7
2.2
1.9
0.7
0.2
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
8
8
9
9
10
10
11
11
10
8
7
5
4
3
3
2
0
-1

Feels Like (°C)

7
7
7
7
8
7
7
7
7
7
8
9
10
11
9
7
6
4
2
1
-0
-2
-4
-5

Dew Point (°C)

8
9
8
8
9
9
8
8
9
9
9
10
10
11
10
8
7
5
4
2
2
0
-2
-3

Relative Humidity (%)

98
98
98
98
100
100
98
100
100
100
96
96
95
96
96
96
98
98
96
91
93
91
88
87

Pressure (mb)

1008
1007
1007
1006
1006
1005
1005
1005
1004
1004
1004
1003
1002
1001
1000
1001
1000
1000
1001
1001
1002
1002
1002
1002

Ozone (du)

278
280
280
282
282
281
282
281
282
284
285
286
284
287
291
294
296
299
304
310
313
314
318
321

Monday 10

Waning Gibbous 59%

22:46

12:50

23 Bad
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 OK
19 OK
20 Good
21 OK
22 OK

Sun - Rise: 06:39, Set: 16:29, Transit: 11:34. Moon - Rise: 22:46, Set: 12:50. Civil Dark: 16:59 - 06:09. Nautical Dark: 17:33 - 05:35. Astro Dark: 18:07 - 05:01

Total Clouds (% Sky Obscured)

58
42
23
31
30
30
31
37
33
33
40
77
97
86
65
58
61
50
41
37
20
18
22
26

Low Clouds (% Sky Obscured)

58
42
17
24
24
24
23
22
19
15
21
68
90
70
65
58
54
46
40
34
16
15
13
16

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
24
23
30
24
32
48
49
42
17
10
1
1
0
1
1
1
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
9
22
17

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
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 (%)

4
2
1
1
2
5
3
5
6
7
11
23
28
21
8
23
11
7
4
2
0
0
1
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)

8
8
7
7
7
7
7
7
8
10
12
13
14
14
14
12
11
12
11
11
11
9
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
86
86
84
84
82
81
79
76
71
63
54
50
49
50
56
61
66
68
68
62
61
63
64

Pressure (mb)

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

Ozone (du)

324
327
330
335
342
349
359
370
373
373
376
382
382
384
388
391
394
396
393
387
382
382
377
372

Tuesday 11

Waning Gibbous 48%

No Rise

13:14

23 OK
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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:41, Set: 16:28, Transit: 11:34. Moon - Rise: No Rise, Set: 13:14. Civil Dark: 16:58 - 06:10. Nautical Dark: 17:33 - 05:36. Astro Dark: 18:06 - 05:02

Total Clouds (% Sky Obscured)

31
90
95
95
95
96
97
100
100
100
100
100
100
100
95
90
85
80
75
69
75
81
87
81

Low Clouds (% Sky Obscured)

15
36
66
66
31
13
10
10
11
14
88
87
95
97
94
77
67
25
25
22
52
81
74
70

Medium Clouds (% Sky Obscured)

7
54
82
91
92
94
96
100
99
87
92
100
100
100
91
84
77
68
57
50
55
57
64
55

High Clouds (% Sky Obscured)

11
53
61
61
55
53
75
100
100
100
100
100
100
100
70
40
8
3
2
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
6
9
5
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 (%)

6
2
5
5
0
8
7
6
4
3
2
4
3
1
5
6
4
6
13
18
17
12
17
8

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
67
71
74
75
71
75
75
75
70
63
59
57
56
58
57
62
71
80
83
91
93
89
85

Pressure (mb)

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

Ozone (du)

374
370
366
362
360
357
352
349
345
342
339
338
337
338
334
328
323
321
322
322
325
327
332
332

Wednesday 12

Third Quarter 37%

23:56

13:35

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK

Sun - Rise: 06:42, Set: 16:27, Transit: 11:34. Moon - Rise: 23:56, Set: 13:35. Civil Dark: 16:57 - 06:11. Nautical Dark: 17:32 - 05:37. Astro Dark: 18:05 - 05:03

Total Clouds (% Sky Obscured)

76
71
72
82
88
91
92
95
85
76
69
68
68
69
89
80
73
65
57
55
49
39
24
30

Low Clouds (% Sky Obscured)

64
57
60
63
65
73
65
60
49
49
47
49
61
62
53
48
45
43
41
38
39
39
24
30

Medium Clouds (% Sky Obscured)

47
38
47
54
70
76
84
88
71
57
40
39
1
0
69
54
29
11
2
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
4
5
5
11
14
15
15
13
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
4
9
9
9
7
9
9
9
9
9
9
7
2
3
4
6
7
8
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
Snow
Snow
None
None
None
None
None

Precipitation Probability (%)

19
8
11
14
11
23
29
39
44
39
16
19
26
21
38
37
29
37
39
33
29
23
8
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
89
86
85
96
83
79
77
75
67
61
58
73
70
75
82
88
85
82
79
83
86
91

Pressure (mb)

1003
1004
1004
1004
1004
1004
1005
1005
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1008
1009
1010
1010
1010
1011

Ozone (du)

328
329
331
332
333
333
332
331
330
327
324
320
319
319
319
318
318
317
316
315
314
314
313
312

Thursday 13

Waning Crescent 28%

01:03

13:54

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

Sun - Rise: 06:43, Set: 16:26, Transit: 11:35. Moon - Rise: 01:03, Set: 13:54. Civil Dark: 16:56 - 06:13. Nautical Dark: 17:31 - 05:38. Astro Dark: 18:05 - 05:04

Total Clouds (% Sky Obscured)

35
40
35
28
22
25
27
29
27
26
24
48
69
88
84
81
73
54
35
16
21
23
25
36

Low Clouds (% Sky Obscured)

35
40
35
28
22
25
27
28
27
26
24
48
57
71
72
74
73
54
35
16
21
23
25
28

Medium Clouds (% Sky Obscured)

1
1
2
4
5
8
11
13
10
6
2
2
1
0
0
1
1
1
1
1
1
0
0
13

High 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

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 (%)

10
2
3
2
0
1
1
0
5
10
14
27
30
26
28
25
14
17
13
4
5
5
2
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
6
5
4
3
3
3
4
5
7
8
8
9
11
10
10
10
9
7
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
89
87
89
91
91
87
83
79
71
63
57
55
55
53
57
62
66
70
74
78
80
80
81

Pressure (mb)

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

Ozone (du)

311
311
310
311
311
312
313
315
316
316
316
316
315
315
314
315
316
317
317
318
318
318
319
320

Friday 14

Waning Crescent 19%

02:07

14:11

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

Sun - Rise: 06:44, Set: 16:25, Transit: 11:35. Moon - Rise: 02:07, Set: 14:11. Civil Dark: 16:56 - 06:14. Nautical Dark: 17:30 - 05:39. Astro Dark: 18:04 - 05:05

Total Clouds (% Sky Obscured)

43
52
42
30
21
14
12
13
14
15
21
20
15
10
10
4
4
4
4
5

Low Clouds (% Sky Obscured)

16
13
11
8
8
8
9
9
7
6
5
6
7
9
10
4
4
4
4
5

Medium Clouds (% Sky Obscured)

24
35
25
14
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
1
27
30
21
14
12
11
14
15
21
20
15
10
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

Fog (%)

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

5
2
4
3
1
2
2
1
2
2
1
4
9
14
56
79
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.7
0.8
0.9
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-5
-5
-6
-6
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-6
-5
-5
-5

Relative Humidity (%)

79
79
79
78
79
79
78
78
76
68
62
56
54
52
51
56
59
65
71
77

Pressure (mb)

1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1012
1011
1011
1010
1010
1009
1009
1009

Ozone (du)

320
321
322
320
319
317
317
317
317
318
319
320
320
319
318
315
312
308
306
304

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

Generated: 08/11/25 23:34:54. Forecast: 08/11/25 to 14/11/25. Timezone: UTC-5.00