Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 5

Waning Gibbous 97%

17:49

09:10

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:00, Set: 16:12, Transit: 11:36. Moon - Rise: 17:49, Set: 09:10. Civil Dark: 16:44 - 06:29. Nautical Dark: 17:19 - 05:53. Astro Dark: 17:53 - 05:19

Total Clouds (% Sky Obscured)

62
52
77
96
92
87
85
94
99
100
100
100
100
100
100
100
100
100
98
98
99
100
67
54

Low Clouds (% Sky Obscured)

62
52
66
82
89
87
85
88
90
89
87
93
90
79
85
82
92
94
60
42
33
29
9
5

Medium Clouds (% Sky Obscured)

29
52
75
75
13
2
0
3
54
48
97
100
98
95
100
98
99
92
93
95
99
100
67
54

High Clouds (% Sky Obscured)

43
20
45
1
0
4
65
59
81
100
100
100
100
100
100
100
100
91
72
42
40
35
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
Snow
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
2
4
6
17
25
31
25
4
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-16
-15
-15
-13
-12
-11
-10
-10
-10
-9
-9
-9
-8
-8
-8
-7
-6
-5
-5
-4
-3
-2
-2
-1

Relative Humidity (%)

46
50
52
56
60
63
65
67
69
69
69
69
70
68
64
62
62
64
65
68
73
81
88
94

Pressure (mb)

1021
1020
1019
1019
1018
1017
1017
1016
1016
1015
1015
1015
1015
1014
1014
1014
1013
1013
1012
1011
1011
1011
1011
1012

Ozone (du)

321
319
320
320
319
320
317
316
318
315
313
312
311
311
313
313
313
313
312
312
315
315
313
314

Saturday 6

Waning Gibbous 92%

19:07

10:01

19 Good
20 OK
21 OK
22 OK
23 OK
00 OK
01 Good
02 Good
03 Good
04 Good
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

Sun - Rise: 07:01, Set: 16:12, Transit: 11:36. Moon - Rise: 19:07, Set: 10:01. Civil Dark: 16:44 - 06:29. Nautical Dark: 17:19 - 05:54. Astro Dark: 17:53 - 05:20

Total Clouds (% Sky Obscured)

9
24
22
35
37
26
3
2
3
13
66
62
52
40
49
60
68
84
100
100
97
97
79
73

Low Clouds (% Sky Obscured)

1
1
1
2
2
1
0
0
0
1
0
0
0
1
0
0
26
28
27
27
29
37
36
49

Medium Clouds (% Sky Obscured)

5
17
15
26
25
18
0
0
0
3
29
62
51
3
3
3
47
54
79
100
95
95
75
66

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
6
40
45
40
34
44
55
51
55
100
100
20
20
15
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 (%)

0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
94
94
92
92
89
87
84
86
87
86
82
78
69
60
56
55
57
59
66
71
75
75

Pressure (mb)

1012
1012
1012
1013
1013
1014
1014
1014
1015
1015
1015
1016
1016
1017
1018
1018
1018
1017
1017
1016
1016
1016
1016
1017

Ozone (du)

315
315
314
317
315
315
318
317
320
321
315
317
316
317
317
318
316
313
315
316
317
318
316
320

Sunday 7

Waning Gibbous 84%

19:07

10:39

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

Sun - Rise: 07:02, Set: 16:12, Transit: 11:37. Moon - Rise: 19:07, Set: 10:39. Civil Dark: 16:44 - 06:30. Nautical Dark: 17:19 - 05:55. Astro Dark: 17:53 - 05:21

Total Clouds (% Sky Obscured)

64
64
63
47
78
79
57
52
38
20
19
1
0
0
0
19
27
15
23
34
35
42
41
85

Low Clouds (% Sky Obscured)

33
35
20
25
70
75
54
52
38
20
19
1
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

64
64
63
47
56
56
57
52
0
0
0
0
0
0
0
0
0
0
9
12
15
16
20
80

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
27
15
23
34
35
42
41
54

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
3
6
9
1
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
2
6
8
4
18
14
22
2
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
4
3
4
4
4
4
5
6
10
14
14
13
13
14
14
14
14
13
12
11
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-5
-5
-5
-5
-5
-5
-7
-10
-12
-11
-11
-11
-11
-11
-11
-10
-10
-9
-10
-11
-10

Dew Point (°C)

-4
-4
-4
-4
-4
-4
-3
-3
-3
-5
-6
-11
-13
-15
-16
-17
-18
-19
-18
-18
-18
-18
-18
-18

Relative Humidity (%)

77
78
80
81
86
89
91
91
94
82
85
65
60
50
45
39
35
33
33
33
34
36
38
40

Pressure (mb)

1016
1016
1016
1015
1015
1015
1014
1015
1015
1015
1017
1019
1020
1022
1023
1024
1023
1023
1023
1023
1024
1024
1025
1025

Ozone (du)

320
319
320
321
324
323
322
322
325
328
331
340
350
355
348
343
340
337
337
339
338
344
344
348

Monday 8

Waning Gibbous 75%

20:25

11:08

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

Sun - Rise: 07:03, Set: 16:12, Transit: 11:37. Moon - Rise: 20:25, Set: 11:08. Civil Dark: 16:44 - 06:31. Nautical Dark: 17:19 - 05:56. Astro Dark: 17:53 - 05:22

Total Clouds (% Sky Obscured)

99
77
62
64
93
89
81
73
67
80
90
93
82
88
63
31
40
50
45
39
24
39
62
86

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
8
19
5
4
1
1
1
1
32
48
70

Medium Clouds (% Sky Obscured)

99
52
20
23
46
47
52
24
22
80
90
74
72
88
11
8
32
50
45
39
24
39
62
71

High Clouds (% Sky Obscured)

74
77
62
64
47
21
26
30
34
22
11
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-12
-12
-11
-11
-12
-12
-12
-12
-12
-12
-13
-12
-12
-11
-9
-7
-7
-6
-6
-6
-6
-6
-6

Dew Point (°C)

-18
-18
-19
-19
-19
-20
-20
-20
-19
-19
-19
-19
-19
-19
-22
-24
-23
-19
-16
-14
-11
-9
-8
-7

Relative Humidity (%)

39
39
39
38
38
38
38
38
40
42
42
41
43
38
28
21
20
25
30
36
46
55
61
62

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1022
1021
1020
1019
1018
1018
1017
1017

Ozone (du)

352
353
347
349
355
359
368
369
375
381
386
419
421
424
422
421
418
416
413
409
403
387
382
375

Tuesday 9

Waning Gibbous 65%

21:38

11:32

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:04, Set: 16:12, Transit: 11:38. Moon - Rise: 21:38, Set: 11:32. Civil Dark: 16:44 - 06:32. Nautical Dark: 17:19 - 05:57. Astro Dark: 17:53 - 05:23

Total Clouds (% Sky Obscured)

91
95
94
99
99
98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

79
89
94
76
57
37
41
46
50
49
50
47
43
39
36
46
54
64
59
54
48
55
62
69

Medium Clouds (% Sky Obscured)

58
43
22
56
79
91
89
97
98
99
99
100
94
87
78
85
92
97
97
98
99
99
100
100

High Clouds (% Sky Obscured)

1
2
4
28
52
76
84
92
100
100
100
100
100
100
100
100
100
100
100
100
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

1
2
4
11
19
23
27
23
10
12
12
11
18
15
7
6
4
2
13
20
27
48
59
66

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
0.2
0.3

Wind Speed/Direction (mph)

9
9
10
9
9
9
9
8
8
8
7
6
6
7
8
8
10
11
12
12
13
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
64
68
71
66
63
64
65
67
71
75
80
84
81
80
76
76
76
76
78
78
79
79
81

Pressure (mb)

1017
1016
1016
1015
1014
1014
1013
1013
1013
1012
1012
1011
1011
1010
1010
1009
1008
1006
1004
1003
1002
1001
1000
999

Ozone (du)

368
362
359
358
356
354
352
349
348
347
347
344
344
344
345
345
346
347
347
346
344
343
343
343

Wednesday 10

Waning Gibbous 55%

22:47

11:52

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

Sun - Rise: 07:04, Set: 16:12, Transit: 11:38. Moon - Rise: 22:47, Set: 11:52. Civil Dark: 16:44 - 06:33. Nautical Dark: 17:19 - 05:57. Astro Dark: 17:53 - 05:23

Total Clouds (% Sky Obscured)

95
89
83
88
94
98
93
89
85
81
84
84
69
61
57
59
52
41
32
20
10
10
9
15

Low Clouds (% Sky Obscured)

71
73
75
71
67
63
67
71
74
67
59
51
56
60
57
59
52
41
32
20
10
10
9
15

Medium Clouds (% Sky Obscured)

93
84
73
47
26
0
0
0
0
1
2
3
23
35
38
28
17
3
2
1
0
0
0
0

High Clouds (% Sky Obscured)

78
56
33
22
11
5
15
50
85
67
33
0
0
0
0
0
0
0
0
1
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

Very Light Rain
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 (%)

62
51
33
34
35
37
40
39
31
29
25
13
11
7
3
2
1
1
6
6
0
2
2
0

Precipitation Amount (mm)

0.2
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
11
11
11
10
9
8
8
9
9
9
8
8
9
10
11
11
11
11
11
11
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
85
88
85
85
85
82
79
77
77
77
78
72
67
62
61
57
56
56
57
58
59
60

Pressure (mb)

999
998
998
998
998
998
998
998
997
997
998
998
998
999
999
1000
999
999
999
1000
1000
1001
1002
1003

Ozone (du)

343
343
343
343
338
333
329
328
328
328
327
326
326
328
330
333
332
331
330
330
331
332
330
327

Thursday 11

Third Quarter 44%

23:53

12:11

19 OK
20 OK
21 OK
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

Sun - Rise: 07:05, Set: 16:12, Transit: 11:39. Moon - Rise: 23:53, Set: 12:11. Civil Dark: 16:44 - 06:33. Nautical Dark: 17:19 - 05:58. Astro Dark: 17:54 - 05:24

Total Clouds (% Sky Obscured)

23
26
33
52
66
81
83
93
100
94
92
97
98
98
100
100
100
100

Low Clouds (% Sky Obscured)

23
26
33
47
33
17
2
1
0
9
11
17
38
55
81
92
97
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
36
76
99
86
73
66
89
96
99
99
100
100

High Clouds (% Sky Obscured)

20
26
33
52
34
0
0
0
0
0
0
0
0
5
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
3
0
0
0
0
1
2

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
Snow
Snow
Snow
Snow
Snow
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
12
23
32
52
62
65
78
93
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.4
0.5
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-7
-7
-8
-8
-9
-9
-10
-9
-10
-9
-9
-9
-7
-7
-7
-7
-7

Dew Point (°C)

-8
-10
-11
-13
-14
-14
-15
-14
-14
-13
-13
-12
-12
-9
-7
-4
-1
1

Relative Humidity (%)

62
57
53
50
49
48
47
48
48
49
48
48
47
58
71
86
89
91

Pressure (mb)

1004
1005
1005
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1004
1003
1002
1000
998

Ozone (du)

325
319
312
306
303
301
298
295
292
289
286
282
279
279
278
278
278
278

Forecast for Cedarwood, Middlesex, United States of America (42.36,-71.26)

Generated: 05/12/25 19:17:45. Forecast: 05/12/25 to 11/12/25. Timezone: UTC-5.00