Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 7

Waning Gibbous 84%

19:07

10:38

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

Sun - Rise: 07:01, Set: 16:11, Transit: 11:36. Moon - Rise: 19:07, Set: 10:38. Civil Dark: 16:43 - 06:30. Nautical Dark: 17:18 - 05:54. Astro Dark: 17:52 - 05:20

Total Clouds (% Sky Obscured)

100
99
94
87
10
12
5
15
3
47
2
2
26
35
13
62
61
80
80
54
84
62
56
56

Low Clouds (% Sky Obscured)

69
62
44
2
1
0
1
15
0
47
0
0
2
4
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

60
63
72
11
5
7
0
0
0
0
0
0
0
0
0
8
14
13
9
9
14
11
8
8

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
8
45
36
60
70
36
70
40
39
44

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)

6
7
8
9
11
10
11
14
15
14
16
15
14
15
16
16
16
15
14
12
12
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-3
-4
-3
-3
-3
-5
-5
-6
-7
-9
-10
-12
-12
-12
-12
-12
-11
-11
-11
-11
-11
-11

Dew Point (°C)

-3
-3
-3
-4
-4
-4
-3
-4
-6
-7
-9
-12
-13
-15
-17
-17
-18
-19
-19
-19
-19
-18
-18
-18

Relative Humidity (%)

69
73
71
67
70
74
77
71
64
59
58
52
51
49
39
39
36
33
31
30
30
33
34
35

Pressure (mb)

1016
1015
1014
1014
1014
1014
1014
1014
1015
1016
1017
1019
1021
1022
1023
1024
1024
1023
1023
1023
1024
1024
1025
1025

Ozone (du)

324
325
322
323
325
329
325
326
326
325
332
338
337
337
336
334
333
330
328
329
330
331
334
334

Monday 8

Waning Gibbous 75%

20:24

11:08

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

Sun - Rise: 07:02, Set: 16:12, Transit: 11:37. Moon - Rise: 20:24, Set: 11:08. Civil Dark: 16:43 - 06:31. Nautical Dark: 17:18 - 05:55. Astro Dark: 17:52 - 05:21

Total Clouds (% Sky Obscured)

61
66
58
60
82
100
97
47
37
7
35
0
0
0
0
0
4
55
59
100
100
100
100
91

Low 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
1
46

Medium Clouds (% Sky Obscured)

3
3
8
41
17
37
49
11
2
0
0
0
0
0
0
0
2
55
59
100
100
100
100
89

High Clouds (% Sky Obscured)

61
57
49
46
67
100
93
33
9
3
22
0
0
0
0
0
2
35
36
100
100
100
34
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-12
-11
-11
-11
-11
-11
-11
-11
-11
-9
-10
-9
-10
-10
-9
-8
-7
-9
-8
-8
-8
-8
-8

Dew Point (°C)

-18
-19
-19
-19
-19
-19
-19
-19
-19
-19
-20
-20
-20
-21
-22
-23
-25
-25
-24
-22
-18
-15
-13
-11

Relative Humidity (%)

35
35
35
34
35
34
35
36
36
35
34
35
34
33
28
23
18
17
16
19
27
35
46
51

Pressure (mb)

1026
1026
1026
1025
1025
1025
1024
1024
1024
1023
1024
1024
1024
1024
1024
1023
1022
1021
1020
1019
1018
1017
1017
1017

Ozone (du)

336
344
348
349
350
346
346
350
353
363
371
372
379
383
399
406
406
405
403
395
388
370
366
373

Tuesday 9

Waning Gibbous 65%

21:38

11:31

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: 07:03, Set: 16:12, Transit: 11:37. Moon - Rise: 21:38, Set: 11:31. Civil Dark: 16:43 - 06:31. Nautical Dark: 17:19 - 05:56. Astro Dark: 17:53 - 05:22

Total Clouds (% Sky Obscured)

97
99
100
100
100
100
100
100
85
99
98
99
100
100
98
100
100
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

56
73
83
77
87
74
38
28
22
17
21
25
2
2
17
58
85
96
91
87
80
79
76
76

Medium Clouds (% Sky Obscured)

95
94
100
88
100
100
100
99
85
97
98
87
100
99
98
100
100
100
99
99
99
99
100
100

High Clouds (% Sky Obscured)

0
8
71
100
100
100
100
99
46
96
85
99
100
100
31
100
100
100
78
62
39
54
77
100

ISS Passover

Visibility (miles)

9
9
9
0
0
0
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
Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
3
16
40
39
32
11
1
0
0
0
0
0
0
1
0
19
70
46
55
70
71
72
85

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0.2
0.3
0.4
0.4
0.5

Wind Speed/Direction (mph)

8
8
10
11
12
11
12
12
12
11
10
9
8
8
9
9
9
9
9
11
13
14
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-9
-5
-1
0
1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-1
0
1
2
4
4
5
4
3

Relative Humidity (%)

58
62
74
94
96
98
81
74
76
77
78
80
83
81
78
74
76
76
79
82
81
84
85
81

Pressure (mb)

1016
1014
1013
1012
1011
1010
1009
1009
1008
1008
1008
1008
1008
1007
1007
1006
1004
1002
1000
999
998
997
997
997

Ozone (du)

366
362
358
355
350
347
350
354
356
355
357
355
350
348
349
350
350
349
344
342
339
336
336
333

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

Sun - Rise: 07:04, Set: 16:12, Transit: 11:38. Moon - Rise: 22:47, Set: 11:52. Civil Dark: 16:43 - 06:32. Nautical Dark: 17:19 - 05:57. Astro Dark: 17:53 - 05:23

Total Clouds (% Sky Obscured)

98
96
91
92
92
93
90
81
77
77
73
66
68
69
70
39
34
33
33
36
38
50
62
66

Low Clouds (% Sky Obscured)

75
71
69
67
65
66
71
51
62
75
73
66
68
63
60
30
22
32
33
34
34
41
48
52

Medium Clouds (% Sky Obscured)

97
95
91
92
88
89
34
47
31
14
5
1
9
10
6
1
1
0
0
0
0
4
28
40

High Clouds (% Sky Obscured)

68
33
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)

8
4
7
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

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

Precipitation Probability (%)

88
74
54
39
29
11
7
4
4
7
8
5
4
1
12
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.6
0.4
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)

15
16
14
14
13
13
12
9
9
10
9
8
10
10
11
13
14
15
14
13
12
12
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
85
86
89
89
93
85
83
86
89
88
86
89
89
89
73
67
63
61
60
62
64
65
61

Pressure (mb)

996
996
996
996
995
995
995
995
995
996
996
997
997
998
999
1000
1000
1001
1001
1002
1003
1004
1005
1006

Ozone (du)

333
332
334
331
329
330
330
324
325
322
318
316
318
324
321
318
321
321
317
310
308
307
303
304

Thursday 11

Third Quarter 44%

23:52

12:11

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 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

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

Total Clouds (% Sky Obscured)

62
55
55
52
52
57
61
62
65
85
94
99
99
99
99
78
60
43
56
68
82
83
80
80

Low Clouds (% Sky Obscured)

37
19
0
0
0
0
0
0
0
0
0
6
14
13
12
24
41
43
56
64
63
54
44
34

Medium Clouds (% Sky Obscured)

40
36
52
52
52
57
61
62
65
74
85
96
97
98
99
66
33
0
2
4
5
14
22
35

High Clouds (% Sky Obscured)

2
5
7
5
3
0
5
0
0
0
0
0
0
0
0
0
0
0
1
4
16
41
74
80

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
1
1
0
2
2
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-6
-7
-8
-9
-9
-10
-10
-10
-9
-9
-8
-8
-8
-8
-7
-7
-8
-7
-8
-8
-9
-9

Relative Humidity (%)

56
60
63
65
61
57
56
54
54
55
56
57
60
57
55
53
52
49
47
52
56
62
63
64

Pressure (mb)

1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1006
1007
1007
1007
1008
1008

Ozone (du)

310
319
321
323
320
317
315
315
317
320
322
325
326
328
329
331
331
331
331
331
331
332
332
333

Friday 12

Waning Crescent 34%

00:56

12:29

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

Sun - Rise: 07:05, Set: 16:12, Transit: 11:39. Moon - Rise: 00:56, Set: 12:29. Civil Dark: 16:44 - 06:34. Nautical Dark: 17:19 - 05:58. Astro Dark: 17:53 - 05:24

Total Clouds (% Sky Obscured)

94
97
97
96
96
95
95
90
75
50
37
18
14
9
1
2
2
1
16
28
39
26
16
11

Low Clouds (% Sky Obscured)

36
37
39
26
13
0
0
0
0
0
0
0
0
0
0
2
2
1
4
5
5
4
2
0

Medium Clouds (% Sky Obscured)

50
65
85
95
95
95
95
90
75
50
37
18
10
2
0
0
0
0
14
23
31
18
9
0

High Clouds (% Sky Obscured)

94
97
97
96
96
95
95
85
50
4
0
0
0
0
0
0
0
0
16
28
39
26
16
6

ISS Passover

Visibility (miles)

9
9
9
8
6
3
1
4
6
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 (%)

2
2
2
17
25
32
33
30
27
22
16
1
1
0
0
0
0
0
0
1
2
4
4
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
12
12
13
12
12
11
11
12
12
12
13
13
14
14
15
15
15
15
15
14
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-8
-8
-7
-7
-5
-5
-8
-8
-8
-8
-8
-8
-9
-10
-10
-9
-9
-9
-7
-7
-7
-8
-7

Dew Point (°C)

-8
-8
-8
-8
-7
-5
-4
-6
-8
-10
-11
-12
-12
-13
-14
-14
-14
-14
-13
-13
-13
-13
-13
-12

Relative Humidity (%)

67
65
65
64
71
78
84
75
67
59
57
54
53
49
44
41
40
40
40
41
42
43
45
47

Pressure (mb)

1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1012
1012
1012
1011
1011
1011
1012
1012
1013
1013

Ozone (du)

333
335
337
339
340
341
342
344
347
349
360
371
382
384
385
387
390
392
394
396
397
399
397
395

Saturday 13

Waning Crescent 25%

01:58

12:49

19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 OK
09 OK
10 OK
11 OK
12 OK

Sun - Rise: 07:06, Set: 16:12, Transit: 11:39. Moon - Rise: 01:58, Set: 12:49. Civil Dark: 16:44 - 06:34. Nautical Dark: 17:19 - 05:59. Astro Dark: 17:54 - 05:25

Total Clouds (% Sky Obscured)

6
5
4
5
5
6
5
4
3
2
1
0
11
20
30
31
31
33

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

4
3
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

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
None
None
None
None
None
None

Precipitation Probability (%)

4
6
4
5
5
0
2
1
0
1
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

Wind Speed/Direction (mph)

14
14
14
14
14
14
13
14
14
15
14
14
14
13
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-9
-9
-10
-10
-10
-10
-10
-11
-10
-10
-10
-10
-11
-11
-11
-10
-10

Dew Point (°C)

-12
-12
-12
-12
-12
-12
-12
-12
-13
-14
-14
-14
-14
-15
-15
-16
-16
-15

Relative Humidity (%)

48
48
49
51
52
54
56
54
52
50
49
49
49
44
41
37
36
35

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1017
1017
1018
1018
1018
1019
1018
1018

Ozone (du)

393
392
391
390
388
386
385
378
371
364
356
348
340
342
343
345
347
349

Forecast for Brookline, Norfolk, United States of America (42.33,-71.12)

Generated: 07/12/25 19:46:35. Forecast: 07/12/25 to 13/12/25. Timezone: UTC-5.00