Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 7

Waning Gibbous 89%

17:56

09:29

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

Sun - Rise: 06:35, Set: 16:33, Transit: 11:34. Moon - Rise: 17:56, Set: 09:29. Civil Dark: 17:03 - 06:05. Nautical Dark: 17:37 - 05:31. Astro Dark: 18:11 - 04:58

Total Clouds (% Sky Obscured)

97
100
100
99
100
100
94
71
100
88
97
98
98
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

8
2
19
16
1
2
12
2
76
62
77
77
82
84
82
78
76
63
60
50
36
76
68
50

Medium Clouds (% Sky Obscured)

97
100
100
99
100
73
50
39
91
57
71
93
95
97
98
100
100
100
98
90
39
100
100
100

High Clouds (% Sky Obscured)

97
100
100
74
100
100
88
68
92
56
44
14
29
100
100
100
100
100
80
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
3
7
8
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
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
1
5
21
13
67
95
95
61
36
28
20
9
5
2
3
4
4
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.7
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
4
5
7
9
9
11
11
13
13
12
11
12
12
11
10
8
7
6
5
5
4
4
5

Chance of Frost

Temperature (°C)

-3
-1
1
4
6
7
8
8
8
8
9
9
8
9
9
9
9
9
10
10
9
9
9
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
63
60
61
51
53
52
58
59
61
64
80
87
91
90
88
91
93
93
96
98
96
96
95

Pressure (mb)

1018
1017
1017
1016
1014
1012
1010
1008
1006
1006
1005
1005
1004
1004
1003
1003
1002
1002
1002
1002
1002
1002
1003
1003

Ozone (du)

299
301
302
303
304
302
299
296
295
296
296
295
294
293
291
291
291
292
291
294
294
295
296
298

Saturday 8

Waning Gibbous 80%

19:01

10:40

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

Sun - Rise: 06:37, Set: 16:32, Transit: 11:34. Moon - Rise: 19:01, Set: 10:40. Civil Dark: 17:02 - 06:07. Nautical Dark: 17:36 - 05:32. Astro Dark: 18:10 - 04:59

Total Clouds (% Sky Obscured)

68
75
62
86
77
74
52
46
76
20
18
3
55
100
100
100
100
92
60
91
100
100
100
97

Low Clouds (% Sky Obscured)

38
35
53
85
77
74
52
46
76
16
13
3
26
24
8
5
7
18
11
26
30
30
85
73

Medium Clouds (% Sky Obscured)

18
0
0
0
0
0
0
0
0
0
0
0
0
0
0
24
98
80
37
40
99
100
55
60

High Clouds (% Sky Obscured)

68
60
2
0
0
0
0
0
0
0
0
0
25
100
100
100
100
92
0
25
94
68
58
21

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 (%)

5
9
6
17
16
4
3
1
3
0
0
0
0
0
0
0
0
0
0
1
26
23
5
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
8
7
10
9
9
8
8
8
7
6
4
4
3
3
2
2
2
2
1
2
2
2
2

Chance of Frost

Temperature (°C)

10
11
11
11
12
12
12
11
10
8
6
4
3
2
1
1
0
1
1
0
0
1
1
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
83
75
65
65
68
70
66
74
74
82
88
89
88
84
84
84
84
86
92
91
91
93
84

Pressure (mb)

1004
1004
1005
1006
1006
1006
1007
1008
1009
1010
1011
1012
1013
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016

Ozone (du)

297
300
307
311
311
305
295
296
294
292
286
284
284
285
287
287
287
290
292
292
291
290
290
287

Sunday 9

Waning Gibbous 70%

20:15

11:36

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

Sun - Rise: 06:38, Set: 16:31, Transit: 11:34. Moon - Rise: 20:15, Set: 11:36. Civil Dark: 17:01 - 06:08. Nautical Dark: 17:35 - 05:33. Astro Dark: 18:09 - 05:00

Total Clouds (% Sky Obscured)

96
100
100
100
95
100
100
99
99
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

10
29
5
19
54
40
88
92
94
94
97
98
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

93
97
95
82
81
100
100
93
96
97
79
67
85
93
95
100
96
95
97
98
90
85
79
78

High Clouds (% Sky Obscured)

16
100
100
100
93
100
24
25
45
45
40
100
100
93
75
70
65
60
70
45
45
55
60
23

ISS Passover

Visibility (miles)

9
9
9
9
9
9
6
3
4
2
4
9
4
6
4
3
2
2
0
0
0
5
6
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

3
2
1
0
10
29
75
95
95
95
95
95
95
47
59
53
95
70
95
95
95
85
91
90

Precipitation Amount (mm)

0
0
0
0
0
0
0.5
0.7
1.5
0.8
0.8
1
0.8
0
0
0
1
0.4
0.9
0.5
0.5
0.5
0.6
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
4
5
7
8
8
8
8
7
7
7
7
7
8
8
8
8
8
8
8
8
8
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
72
66
62
61
58
68
82
88
94
93
94
96
98
96
96
98
98
98
98
98
98
98
94

Pressure (mb)

1017
1016
1016
1015
1014
1013
1012
1012
1011
1011
1011
1011
1010
1009
1008
1007
1007
1006
1005
1005
1005
1004
1004
1004

Ozone (du)

287
286
286
284
281
282
279
277
275
275
275
274
273
275
274
273
274
273
275
275
277
277
279
279

Monday 10

Waning Gibbous 59%

21:32

12:18

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

Sun - Rise: 06:39, Set: 16:30, Transit: 11:34. Moon - Rise: 21:32, Set: 12:18. Civil Dark: 17:00 - 06:09. Nautical Dark: 17:34 - 05:35. Astro Dark: 18:08 - 05:01

Total Clouds (% Sky Obscured)

100
100
98
51
52
63
72
72
67
71
79
75
72
69
63
52
44
41
39
35
30
23
17
29

Low Clouds (% Sky Obscured)

100
100
98
28
20
13
14
19
19
18
31
26
27
24
25
22
19
21
21
24
22
21
17
27

Medium Clouds (% Sky Obscured)

83
75
70
0
0
6
16
27
36
41
50
52
49
54
45
28
5
3
2
0
0
0
0
0

High Clouds (% Sky Obscured)

60
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)

3
9
9
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

89
28
8
8
4
15
23
27
42
49
57
54
42
26
19
16
9
12
10
4
4
5
0
0

Precipitation Amount (mm)

0.6
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
87
73
62
56
57
57
63
71
74
67
69
68
68
73
70
66
65
63
64
62
59

Pressure (mb)

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

Ozone (du)

282
283
282
283
289
293
300
303
309
314
321
328
330
330
331
335
338
342
347
357
370
377
377
379

Tuesday 11

Waning Gibbous 48%

22:46

12:50

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

Sun - Rise: 06:41, Set: 16:29, Transit: 11:34. Moon - Rise: 22:46, Set: 12:50. Civil Dark: 16:59 - 06:10. Nautical Dark: 17:33 - 05:36. Astro Dark: 18:07 - 05:02

Total Clouds (% Sky Obscured)

39
49
73
70
68
73
78
57
57
56
50
58
61
69
64
52
45
52
66
78
83
93
100
99

Low Clouds (% Sky Obscured)

39
49
68
66
64
68
72
57
57
56
50
54
58
61
50
30
8
15
25
37
39
42
46
54

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
3
5
10
16
20
25
30
34
36
35
25
20
40
55
83
93
99
89

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
2
13
23
33
46
52
45
52
66
78
80
88
100
84

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
8
7

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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
2
4
11
3
5
3
7
9
6
26
25
2
6
8
1
2
5
8
25
30
28
28

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
47
44
42
41
41
40
40
43
50
55
59
60
63
65
63
61
59
62
66
71
75
80
84

Pressure (mb)

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

Ozone (du)

378
379
381
384
386
389
390
383
376
371
366
361
359
357
354
351
347
344
338
331
325
326
326
327

Wednesday 12

Third Quarter 37%

23:56

13:14

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

Sun - Rise: 06:42, Set: 16:28, Transit: 11:34. Moon - Rise: 23:56, Set: 13:14. Civil Dark: 16:58 - 06:11. Nautical Dark: 17:33 - 05:37. Astro Dark: 18:06 - 05:03

Total Clouds (% Sky Obscured)

99
98
99
99
100
100
100
100
100
100
100
97
94
92
92
91
91
93
94
96
95
92
88
88

Low Clouds (% Sky Obscured)

62
70
71
72
74
79
83
88
76
65
53
56
59
62
59
57
56
51
50
47
48
51
58
69

Medium Clouds (% Sky Obscured)

80
70
77
85
93
95
98
100
87
75
64
56
38
20
17
14
11
34
58
83
58
33
10
15

High Clouds (% Sky Obscured)

68
46
64
86
100
99
98
95
71
48
26
18
9
0
0
1
1
7
27
42
22
12
1
0

ISS Passover

Visibility (miles)

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

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

24
8
16
19
19
23
23
16
23
22
18
23
23
21
23
20
12
13
13
8
19
21
21
27

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
70
63
61
59
57
64
72
83
83
83
83
85
85
86
86
86
86
86
85
83
86
88
91

Pressure (mb)

1008
1007
1006
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005

Ozone (du)

328
329
331
331
331
332
330
328
326
328
330
332
332
333
333
335
336
337
332
328
323
321
318
315

Thursday 13

Waning Crescent 28%

01:03

13:35

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
23 Bad
00 Bad

Sun - Rise: 06:43, Set: 16:27, Transit: 11:34. Moon - Rise: 01:03, Set: 13:35. Civil Dark: 16:57 - 06:13. Nautical Dark: 17:32 - 05:38. Astro Dark: 18:05 - 05:04

Total Clouds (% Sky Obscured)

91
92
94
94
98
98
97
98
96
94
92
91
91
93
96
100
100

Low Clouds (% Sky Obscured)

74
82
84
88
93
70
48
29
37
41
46
47
48
51
67
84
100

Medium Clouds (% Sky Obscured)

15
15
32
47
62
68
64
69
65
67
76
77
80
81
73
67
52

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow

Precipitation Probability (%)

26
11
25
28
26
24
20
11
18
18
13
23
26
22
36
45
53

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.4

Wind Speed/Direction (mph)

4
4
5
6
8
10
8
7
6
5
4
3
3
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
82
73
67
72
77
83
86
91
94
96
98
98
98
98

Pressure (mb)

1005
1005
1005
1005
1005
1005
1006
1006
1006
1007
1008
1008
1009
1009
1009
1009
1010

Ozone (du)

316
316
316
317
318
319
318
318
317
316
315
315
316
317
318
318
317

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

Generated: 07/11/25 07:48:47. Forecast: 07/11/25 to 13/11/25. Timezone: UTC-5.00