Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 7

Waning Gibbous 89%

19:01

10:40

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

Sun - Rise: 06:35, Set: 16:32, Transit: 11:34. Moon - Rise: 19:01, Set: 10:40. Civil Dark: 17:02 - 06:05. Nautical Dark: 17:36 - 05:31. Astro Dark: 18:10 - 04:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
69
78
76
63
80
27
25
39
38
33
33
37
47
65
100

Low Clouds (% Sky Obscured)

81
75
86
92
81
60
57
64
54
41
51
76
63
75
27
25
39
38
33
33
37
25
51
47

Medium Clouds (% Sky Obscured)

100
100
87
100
100
100
100
100
100
30
25
0
0
0
0
0
0
0
0
0
0
0
0
66

High Clouds (% Sky Obscured)

100
100
100
100
100
100
94
100
100
65
60
0
0
0
0
0
0
0
0
0
0
47
65
100

ISS Passover

Visibility (miles)

9
9
8
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 (%)

6
10
3
8
6
3
4
5
4
19
10
20
7
10
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)

12
9
8
7
6
5
5
4
3
5
8
9
11
11
11
12
9
8
4
4
4
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
91
93
95
95
95
96
96
87
81
77
72
66
65
55
58
63
75
79
83
88
91
91

Pressure (mb)

1002
1002
1002
1002
1001
1001
1002
1002
1003
1003
1004
1005
1006
1006
1006
1007
1008
1009
1010
1012
1013
1013
1014
1015

Ozone (du)

293
294
294
295
296
297
298
299
299
300
301
308
309
309
308
300
300
300
300
297
295
293
294
291

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
100
86
100
100
92
93
100
100
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

42
26
15
42
53
70
94
92
90
80
99
100
99
100
100
100
91
93
95
100
100
100
100
100

Medium Clouds (% Sky Obscured)

29
86
100
100
81
85
69
68
51
59
96
97
50
90
45
73
97
97
69
97
86
51
83
47

High Clouds (% Sky Obscured)

100
99
100
100
100
51
41
89
7
5
46
83
40
30
100
100
100
100
100
82
80
98
25
11

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
5
1
1
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
72
62
0
73
32

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
2
27
59
42
19
13
33
40
30
6
18
14
31
48
36
38
74
95
95
54

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
1.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
92
91
88
86
92
93
83
81
77
70
72
79
76
72
78
81
83
88
90
93
95
96
100

Pressure (mb)

1015
1016
1016
1016
1016
1016
1016
1016
1016
1017
1016
1016
1016
1015
1014
1013
1012
1011
1011
1010
1009
1009
1008
1007

Ozone (du)

291
292
294
296
297
296
295
294
296
297
297
296
294
290
289
287
286
287
286
286
286
285
285
285

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 OK
22 OK

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
100
100
100
98
97
96
92
96
96
98
98
100
100
75
49
31
29

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
93
100
94
93
93
90
92
93
97
96
100
100
75
49
31
28

Medium Clouds (% Sky Obscured)

98
77
84
76
88
86
89
85
99
98
90
48
73
69
66
33
32
8
8
0
0
0
0
1

High Clouds (% Sky Obscured)

14
20
25
15
15
15
25
0
0
18
25
0
0
3
3
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
1
2
4
9
16
12
26
32
48
6
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

58
65
54
44
63
75
59
68
95
86
41
65
91
95
83
87
80
38
18
12
16
17
8
12

Precipitation Amount (mm)

0
0.4
0.3
0
0.3
0.5
0.4
0.3
0.8
0.5
0
0.4
0.8
0.8
0.5
0.8
0.5
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
98
98
98
100
98
98
100
96
98
96
96
98
96
94
94
94
94
91
89
86
84
86

Pressure (mb)

1006
1005
1005
1005
1004
1004
1003
1003
1003
1004
1003
1003
1002
1001
1001
1000
1000
1000
1001
1001
1001
1002
1002
1002

Ozone (du)

283
280
280
279
282
285
283
286
285
286
286
285
287
289
294
301
304
314
320
324
327
328
331
331

Monday 10

Waning Gibbous 59%

22:46

12:50

23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
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 OK
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)

23
19
21
22
24
27
33
44
77
77
79
82
82
81
88
94
100
83
66
39
38
27
22
27

Low Clouds (% Sky Obscured)

19
19
20
16
17
18
15
17
57
77
79
82
82
81
88
89
85
77
66
33
16
15
15
26

Medium Clouds (% Sky Obscured)

2
2
1
0
0
0
0
1
58
50
45
45
50
50
63
69
69
57
35
8
8
3
0
0

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
8
8
8
9
3
6
2
1
2
8
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
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

10
6
7
6
2
3
3
4
7
12
22
17
22
24
29
41
39
24
14
9
9
8
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-5
-5
-4
-4
-5
-5
-4
-6
-6
-6
-6
-5
-5
-5
-5
-5
-5
-6
-6
-6
-5
-4

Dew Point (°C)

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

Relative Humidity (%)

84
83
81
79
81
81
79
79
76
68
60
53
49
52
54
61
74
77
70
62
62
57
61
67

Pressure (mb)

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

Ozone (du)

333
336
341
346
350
359
371
377
377
380
386
391
394
393
394
399
400
401
403
403
399
387
383
377

Tuesday 11

Waning Gibbous 48%

No Rise

13:14

23 OK
00 OK
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)

40
40
59
79
96
97
98
99
99
100
100
100
100
100
100
100
100
99
98
98
95
94
92
95

Low Clouds (% Sky Obscured)

26
21
36
46
48
28
19
18
29
38
47
54
64
69
40
41
46
52
57
62
64
67
69
65

Medium Clouds (% Sky Obscured)

0
0
33
62
89
91
95
97
98
99
100
100
100
100
100
100
100
98
97
96
92
88
86
67

High Clouds (% Sky Obscured)

0
0
5
15
20
39
62
80
86
94
100
100
100
100
100
100
100
88
76
89
94
89
84
49

ISS Passover

Visibility (miles)

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

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
1
2
4
1
1
2
2
7
10
10
8
6
1
16
20
17
26
28
29
31
31
25
29

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-6
-5
-5
-6
-4
-4
-4
-4
-3
-3
-3
-1
-1
1
0
0
-1
-1
-0
-0
-1
-0
-1

Dew Point (°C)

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

Relative Humidity (%)

70
71
77
80
71
73
77
78
78
73
70
65
64
66
65
67
71
74
80
88
94
94
96
96

Pressure (mb)

1009
1009
1010
1010
1010
1010
1009
1009
1009
1008
1008
1007
1006
1004
1003
1002
1001
1001
1001
1001
1001
1001
1001
1001

Ozone (du)

377
374
368
363
360
357
351
347
342
333
332
333
334
337
336
335
335
334
334
334
333
332
331
331

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 Bad
22 Bad

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)

97
100
95
91
88
92
94
96
95
95
94
80
68
57
59
58
57
71
84
97
90
86
82
81

Low Clouds (% Sky Obscured)

62
58
56
57
57
56
55
59
60
62
68
64
57
49
48
47
40
35
32
33
49
59
70
68

Medium Clouds (% Sky Obscured)

49
31
20
12
4
4
3
3
2
1
0
0
1
1
12
23
35
56
78
97
90
86
82
81

High Clouds (% Sky Obscured)

26
16
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
8
15
22
23
14
5
5

ISS Passover

Visibility (miles)

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

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 (%)

30
29
30
28
22
26
26
20
22
20
11
21
22
21
23
23
20
21
21
17
21
21
15
20

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
88
89
89
91
88
86
85
83
82
83
76
70
65
70
75
82
85
86
89
89
89
88

Pressure (mb)

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

Ozone (du)

331
331
331
332
334
336
336
337
337
335
334
332
328
324
320
320
320
320
322
323
324
324
323
323

Thursday 13

Waning Crescent 28%

01:03

13:54

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 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 Good

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)

85
87
89
91
91
85
75
64
71
79
85
67
48
25
24
19
18
15
11
8

Low Clouds (% Sky Obscured)

66
55
46
38
29
39
48
57
66
75
85
65
46
25
24
19
18
15
11
8

Medium Clouds (% Sky Obscured)

85
85
86
87
91
66
35
3
3
3
3
2
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

14
18
14
12
7
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
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
None
None
None
None
None
None

Precipitation Probability (%)

19
9
11
9
2
4
4
2
4
4
3
6
6
4
6
6
3
8
9
5

Precipitation Amount (mm)

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
3
3
3
3
3
3
3
5
8
10
10
11
11
10
9
8
7
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
92
94
92
91
89
89
89
91
77
66
56
55
53
50
54
59
64
70
76

Pressure (mb)

1008
1009
1009
1010
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015

Ozone (du)

324
326
328
325
322
319
318
316
315
316
316
316
319
322
325
326
328
330
331
331

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

Generated: 07/11/25 23:41:35. Forecast: 07/11/25 to 13/11/25. Timezone: UTC-5.00