Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 29

Waxing Gibbous 89%

12:59

05:32

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

Sun - Rise: 06:58, Set: 16:55, Transit: 11:57. Moon - Rise: 12:59, Set: 05:32. Civil Dark: 17:25 - 06:29. Nautical Dark: 17:59 - 05:55. Astro Dark: 18:32 - 05:22

Total Clouds (% Sky Obscured)

18
13
54
63
86
49
11
2
6
6
4
7
4
17
2
1
0
0
0
0
1
1
0
5

Low Clouds (% Sky Obscured)

1
13
54
35
72
49
11
0
2
1
0
7
0
17
0
0
0
0
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

0
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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
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 (%)

0
0
0
3
5
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)

10
10
9
10
10
10
11
10
9
11
11
11
11
12
12
12
13
13
13
13
13
13
13
13

Chance of Frost

Temperature (°C)

-6
-6
-5
-5
-6
-7
-8
-9
-9
-10
-10
-11
-11
-12
-12
-13
-14
-14
-15
-16
-16
-16
-15
-14

Feels Like (°C)

-10
-9
-11
-11
-11
-12
-12
-13
-13
-15
-15
-16
-16
-17
-17
-18
-19
-20
-20
-21
-21
-21
-20
-18

Dew Point (°C)

-10
-10
-10
-9
-10
-10
-11
-12
-12
-13
-13
-13
-14
-15
-16
-16
-17
-18
-19
-19
-20
-19
-18
-17

Relative Humidity (%)

71
70
72
73
73
76
79
78
80
81
81
81
81
76
75
74
72
71
72
72
72
73
73
76

Pressure (mb)

1015
1014
1014
1014
1014
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1016

Ozone (du)

470
479
482
482
477
475
474
473
471
469
467
464
462
469
473
479
482
479
471
458
447
442
441
438

Friday 30

Waxing Gibbous 96%

14:10

06:22

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

Sun - Rise: 06:57, Set: 16:56, Transit: 11:58. Moon - Rise: 14:10, Set: 06:22. Civil Dark: 17:26 - 06:28. Nautical Dark: 18:00 - 05:54. Astro Dark: 18:33 - 05:21

Total Clouds (% Sky Obscured)

30
60
60
50
47
11
5
4
3
2
3
3
2
3
2
2
3
3
3
3
3
4
3
3

Low Clouds (% Sky Obscured)

5
5
5
10
8
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1

Medium Clouds (% Sky Obscured)

6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
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
2
2
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)

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

Chance of Frost

Temperature (°C)

-12
-12
-11
-11
-11
-12
-12
-13
-14
-14
-14
-15
-15
-15
-15
-15
-15
-16
-16
-17
-16
-14
-13
-11

Feels Like (°C)

-17
-17
-17
-17
-17
-17
-16
-17
-18
-18
-18
-18
-18
-18
-18
-19
-18
-19
-19
-19
-18
-17
-15
-14

Dew Point (°C)

-16
-15
-14
-14
-14
-14
-15
-16
-16
-17
-17
-17
-18
-18
-18
-18
-18
-18
-19
-19
-19
-18
-16
-15

Relative Humidity (%)

76
76
76
78
78
80
79
79
79
79
81
79
81
81
79
80
80
80
81
81
79
76
76
75

Pressure (mb)

1016
1015
1015
1015
1016
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1020
1020

Ozone (du)

440
440
440
439
438
439
444
446
450
454
457
458
458
455
449
438
436
438
443
446
452
456
458
457

Saturday 31

Waxing Gibbous 99%

15:28

07:00

12 Good
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Good
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

Sun - Rise: 06:56, Set: 16:58, Transit: 11:58. Moon - Rise: 15:28, Set: 07:00. Civil Dark: 17:27 - 06:27. Nautical Dark: 18:01 - 05:53. Astro Dark: 18:34 - 05:20

Total Clouds (% Sky Obscured)

9
52
57
57
54
52
61
56
51
9
100
93
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

5
28
25
30
24
25
18
2
3
4
27
71
96
100
100
99
100
100
100
100
100
100
85
67

Medium Clouds (% Sky Obscured)

0
0
2
4
3
52
61
56
51
5
100
93
12
97
99
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
5
5
0
0
0
9
0
1
5
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
9
9
9
9
2
0
0
0
0
0
0
1
1
0
0
0
1

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
Snow
Snow
Snow
Snow
Snow
None
Snow
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
10
16
31
32
27
30
31
21
30
30
29
26

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
5
4
4
2
5
6
6
7
7
8
9
10
11
12
14
14
17
17
16
16
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-11
-11
-11
-11
-11
-13
-13
-14
-14
-14
-16
-17
-16
-16
-16
-15
-15
-15
-16
-16
-17
-17
-16

Dew Point (°C)

-13
-12
-11
-10
-9
-11
-11
-11
-12
-12
-13
-13
-12
-12
-11
-11
-9
-9
-10
-11
-10
-11
-11
-10

Relative Humidity (%)

78
77
77
79
83
82
83
82
80
81
83
86
92
92
92
92
92
92
85
82
88
90
90
88

Pressure (mb)

1019
1019
1018
1018
1018
1019
1019
1019
1019
1018
1018
1018
1016
1016
1016
1015
1014
1013
1012
1011
1011
1011
1010
1008

Ozone (du)

457
458
455
452
449
446
443
438
437
436
436
435
432
434
436
438
441
444
443
440
441
443
444
443

Sunday 1

Full Moon 100%

16:47

07:30

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
08 OK
09 OK
10 OK
11 Good

Sun - Rise: 06:55, Set: 16:59, Transit: 11:58. Moon - Rise: 16:47, Set: 07:30. Civil Dark: 17:29 - 06:26. Nautical Dark: 18:02 - 05:52. Astro Dark: 18:35 - 05:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
97
95
97
99
100
93
87
79
65
43
22
20
18

Low Clouds (% Sky Obscured)

54
46
31
20
23
26
32
28
19
10
2
3
1
2
1
1
3
3
1
1
1
1
1
1

Medium Clouds (% Sky Obscured)

100
92
100
100
100
100
100
100
100
100
98
97
95
97
99
100
93
87
79
65
43
22
20
18

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
73
45
18
12
6
0
1
2
4
4
4
4
4
4
4
3
2

ISS Passover

Visibility (miles)

0
1
2
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 (%)

19
18
11
5
5
2
1
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)

18
18
18
18
17
16
16
16
15
14
13
13
13
13
12
11
11
10
10
9
9
8
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-14
-14
-13
-12
-12
-12
-12
-12
-12
-13
-13
-14
-14
-15
-14
-14
-14
-14
-14
-12
-11
-10
-8

Dew Point (°C)

-9
-9
-8
-8
-8
-8
-8
-8
-8
-9
-9
-10
-10
-11
-11
-11
-11
-11
-11
-11
-10
-8
-7
-6

Relative Humidity (%)

87
85
84
84
81
81
81
80
82
82
82
79
80
78
80
80
82
83
83
83
83
87
85
86

Pressure (mb)

1007
1006
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1006
1006
1007
1008
1009
1010
1011
1011
1012
1012

Ozone (du)

440
441
439
435
433
432
434
437
439
440
441
442
443
443
444
448
452
451
453
456
460
463
463
460

Monday 2

Waning Gibbous 98%

18:03

07:54

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

Sun - Rise: 06:54, Set: 17:00, Transit: 11:58. Moon - Rise: 18:03, Set: 07:54. Civil Dark: 17:30 - 06:25. Nautical Dark: 18:03 - 05:51. Astro Dark: 18:36 - 05:18

Total Clouds (% Sky Obscured)

6
14
10
5
4
3
2
4
2
2
3
4
11
13
17
26
51
74
98
89
83
75
75
75

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
2
1
1
1
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

6
14
7
1
2
0
0
0
0
0
0
0
0
0
0
0
18
30
42
50
61
74
74
74

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
0
0
0
3
10
19
45
72
98
87
76
65
44
22

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)

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

Chance of Frost

Temperature (°C)

-2
-1
-0
0
0
-2
-4
-4
-5
-6
-7
-7
-8
-9
-10
-10
-10
-10
-10
-10
-8
-6
-4
-3

Feels Like (°C)

-6
-4
-4
-4
-3
-4
-6
-7
-8
-8
-9
-9
-11
-11
-12
-12
-11
-11
-12
-12
-14
-14
-13
-12

Dew Point (°C)

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

Relative Humidity (%)

84
87
91
91
87
89
91
90
89
87
87
87
87
88
88
86
85
85
83
83
82
80
79
79

Pressure (mb)

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

Ozone (du)

457
449
447
442
441
441
429
421
424
436
432
426
432
435
429
424
419
412
405
399
405
411
417
414

Tuesday 3

Waning Gibbous 93%

19:15

08:15

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

Sun - Rise: 06:53, Set: 17:02, Transit: 11:58. Moon - Rise: 19:15, Set: 08:15. Civil Dark: 17:31 - 06:24. Nautical Dark: 18:04 - 05:50. Astro Dark: 18:37 - 05:17

Total Clouds (% Sky Obscured)

77
62
46
26
26
29
37
37
38
48
45
43
45
48
53
47
38
33
29
28
23
16
18
20

Low Clouds (% Sky Obscured)

0
0
0
2
0
0
0
2
5
7
5
2
0
0
0
1
2
4
7
9
9
9
10
10

Medium Clouds (% Sky Obscured)

74
61
46
26
22
23
37
31
21
12
17
43
45
48
53
47
38
33
29
21
13
5
7
9

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
9
6
3
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
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
6
6
6
5
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
8
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-11
-3
-3
-3
-2
-2
-2
-6
-7
-8
-9
-9
-10
-10
-10
-10
-10
-10
-10
-11
-10
-11
-9

Dew Point (°C)

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

Relative Humidity (%)

79
80
83
84
88
89
91
91
89
89
89
89
89
89
89
89
89
89
89
87
85
84
84
82

Pressure (mb)

1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1023
1022

Ozone (du)

411
408
402
396
390
388
387
385
383
380
377
380
382
384
387
389
391
389
388
386
387
388
389
394

Wednesday 4

Waning Gibbous 87%

20:24

08:35

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

Sun - Rise: 06:52, Set: 17:03, Transit: 11:58. Moon - Rise: 20:24, Set: 08:35. Civil Dark: 17:32 - 06:23. Nautical Dark: 18:06 - 05:49. Astro Dark: 18:38 - 05:16

Total Clouds (% Sky Obscured)

22
36
52
67
49
32
14
13
12
15
14
13
17
16
10
9
6
7
9

Low Clouds (% Sky Obscured)

10
29
48
66
48
30
12
11
10
9
7
6
5
8
10
9
6
7
9

Medium Clouds (% Sky Obscured)

11
7
4
0
0
0
0
0
0
0
0
5
0
0
0
0
1
1
2

High Clouds (% Sky Obscured)

0
0
0
0
25
32
14
13
12
15
14
13
17
16
7
0
2
4
6

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
4
6
5
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-8
-7
-7
-9
-9
-10
-10
-13
-14
-14
-14
-14
-14
-16
-16
-16
-15
-15

Dew Point (°C)

-6
-5
-7
-8
-9
-11
-12
-12
-12
-12
-13
-14
-14
-15
-15
-15
-16
-16
-16

Relative Humidity (%)

81
81
79
77
77
76
75
75
77
78
78
78
76
76
76
76
78
79
79

Pressure (mb)

1022
1021
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1022
1022
1022
1022
1022
1021
1021

Ozone (du)

398
403
403
404
405
397
389
381
389
397
406
408
410
413
415
418
420
422
423

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

Generated: 29/01/26 12:24:39. Forecast: 29/01/26 to 04/02/26. Timezone: UTC-5.00