Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 27

Waxing Gibbous 70%

11:58

03:18

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

Sun - Rise: 07:01, Set: 16:51, Transit: 11:57. Moon - Rise: 11:58, Set: 03:18. Civil Dark: 17:21 - 06:31. Nautical Dark: 17:55 - 05:57. Astro Dark: 18:29 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
92
85
95
24
7
30
14
6
13
14
17
13
2
2
2
2
2
2
18
60
89

Low Clouds (% Sky Obscured)

29
64
91
87
62
28
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
13
10

Medium Clouds (% Sky Obscured)

100
100
98
86
36
46
9
2
30
13
2
2
0
0
0
0
0
0
0
0
0
0
19
48

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
3
35

ISS Passover

Visibility (miles)

6
9
9
2
6
0
9
9
9
9
9
9
6
6
6
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
30
24
16
2
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
7
7
6
8
9
10
7
6
5
5
5
5
5
6
7
7
7
8
8
9
9
9
8

Chance of Frost

Temperature (°C)

-8
-8
-9
-9
-9
-10
-10
-12
-15
-16
-18
-18
-18
-19
-18
-16
-16
-15
-12
-10
-8
-7
-7
-6

Feels Like (°C)

-12
-12
-13
-14
-14
-15
-15
-16
-18
-20
-21
-21
-22
-22
-22
-20
-19
-18
-16
-13
-12
-11
-10
-11

Dew Point (°C)

-10
-11
-11
-10
-11
-11
-14
-15
-17
-18
-20
-20
-21
-21
-20
-19
-18
-17
-15
-13
-12
-12
-11
-11

Relative Humidity (%)

80
80
85
90
87
88
75
79
81
82
83
82
82
82
81
80
81
80
78
75
72
70
68
67

Pressure (mb)

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

Ozone (du)

380
380
391
399
405
410
407
404
404
408
409
411
411
416
415
416
416
413
409
417
428
446
458
474

Wednesday 28

Waxing Gibbous 81%

12:57

04:31

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 Bad
09 OK
10 Good
11 OK
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:00, Set: 16:52, Transit: 11:57. Moon - Rise: 12:57, Set: 04:31. Civil Dark: 17:23 - 06:30. Nautical Dark: 17:57 - 05:56. Astro Dark: 18:30 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
96
89
89
63
50
55
60
60
57
36
14
14
64
70
82

Low Clouds (% Sky Obscured)

8
9
64
71
63
2
5
5
15
20
74
71
44
22
37
34
28
25
22
3
6
50
52
74

Medium Clouds (% Sky Obscured)

85
100
100
100
100
100
100
100
100
96
75
74
51
50
55
60
53
56
36
6
5
6
2
0

High Clouds (% Sky Obscured)

98
89
88
50
65
70
70
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
6
6
9
9
9
9
4
3
5
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
1
0
0
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
17

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-11
-14
-16
-15
-15
-17
-17
-17
-16
-16
-17
-17
-17
-18
-19
-20
-19
-16
-14
-12
-11
-11
-11

Dew Point (°C)

-10
-10
-13
-14
-13
-13
-14
-14
-14
-14
-14
-14
-14
-15
-15
-17
-18
-17
-14
-13
-12
-11
-11
-11

Relative Humidity (%)

73
83
86
86
90
90
88
86
86
86
86
88
90
90
88
86
86
84
81
75
71
70
70
70

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1015
1015
1016
1016
1015
1015
1014
1014

Ozone (du)

479
478
477
475
469
463
469
471
467
469
480
481
481
486
491
497
490
482
481
480
476
475
475
475

Thursday 29

Waxing Gibbous 89%

14:08

05:33

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

Sun - Rise: 06:59, Set: 16:54, Transit: 11:57. Moon - Rise: 14:08, Set: 05:33. Civil Dark: 17:24 - 06:29. Nautical Dark: 17:58 - 05:55. Astro Dark: 18:31 - 05:22

Total Clouds (% Sky Obscured)

84
84
41
38
40
4
2
5
7
7
6
5
2
2
2
3
3
1
2
4
29
55
55
45

Low Clouds (% Sky Obscured)

80
84
40
35
37
4
2
5
5
6
5
3
2
2
1
2
2
1
1
2
20
40
40
30

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
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
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
7
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
6
6
7
7
6
6
6
7
7
8
8
8
9
9
10
11
12
11
11
11

Chance of Frost

Temperature (°C)

-6
-7
-9
-10
-12
-13
-13
-14
-14
-15
-16
-16
-16
-17
-17
-18
-18
-17
-16
-14
-12
-11
-10
-10

Feels Like (°C)

-11
-12
-13
-13
-14
-15
-16
-17
-17
-18
-19
-20
-20
-20
-21
-21
-22
-21
-20
-18
-16
-16
-16
-15

Dew Point (°C)

-10
-11
-11
-13
-14
-15
-15
-16
-16
-17
-18
-18
-19
-19
-20
-20
-21
-21
-19
-17
-17
-15
-14
-14

Relative Humidity (%)

76
76
80
81
83
84
83
84
84
84
84
83
81
80
80
80
78
75
76
74
70
72
72
74

Pressure (mb)

1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1017
1017
1017

Ozone (du)

481
488
491
489
489
488
483
483
476
468
466
465
462
464
462
448
430
415
405
403
405
405
406
409

Friday 30

Waxing Gibbous 96%

No Rise

06:22

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

Sun - Rise: 06:58, Set: 16:55, Transit: 11:57. Moon - Rise: No Rise, Set: 06:22. Civil Dark: 17:25 - 06:28. Nautical Dark: 17:59 - 05:54. Astro Dark: 18:32 - 05:21

Total Clouds (% Sky Obscured)

55
43
8
6
4
4
3
16
24
26
25
20
17
8
7
7
9
5
6
6
8
36
40
30

Low Clouds (% Sky Obscured)

30
24
3
2
2
3
3
16
24
26
25
18
13
4
2
2
3
1
1
1
0
3
10
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
4
4
4
4
4
4
4
4
4
8
4
4

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
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
1
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
9
9
9
7
6
6
5
4
4
4
4
4
4
4
4
4
4
6
6
6
6
5
4

Chance of Frost

Temperature (°C)

-10
-10
-12
-13
-14
-15
-16
-17
-18
-19
-19
-20
-20
-21
-21
-21
-21
-18
-14
-12
-10
-8
-7
-7

Feels Like (°C)

-15
-15
-17
-17
-17
-18
-19
-20
-21
-22
-22
-23
-23
-24
-23
-23
-23
-20
-17
-15
-13
-11
-11
-11

Dew Point (°C)

-13
-13
-15
-16
-17
-17
-18
-19
-20
-21
-22
-22
-23
-23
-23
-23
-24
-21
-17
-15
-13
-12
-11
-10

Relative Humidity (%)

78
78
78
79
81
82
83
82
82
81
80
79
79
76
76
76
75
78
77
76
75
77
77
77

Pressure (mb)

1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1021
1021
1020
1020

Ozone (du)

415
419
419
418
407
404
403
401
396
394
395
394
394
391
387
385
385
386
395
400
402
398
401
404

Saturday 31

Waxing Gibbous 99%

15:26

07:00

15 OK
16 OK
17 Good
18 Good
19 OK
20 OK
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

Sun - Rise: 06:57, Set: 16:56, Transit: 11:57. Moon - Rise: 15:26, Set: 07:00. Civil Dark: 17:26 - 06:27. Nautical Dark: 18:00 - 05:53. Astro Dark: 18:33 - 05:20

Total Clouds (% Sky Obscured)

20
9
1
3
5
6
7
43
72
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

15
9
1
3
5
3
3
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
0

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
1
9
17
26
57
80
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
43
72
100
100
100
100
73
43
24
49
75
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
4
4
3
1
1
0
0
0
0
0
0
1
0
0
0
0
1
1
2
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
Snow
Snow
None

Precipitation Probability (%)

0
0
0
0
1
1
0
1
1
9
10
12
15
15
14
17
24
28
31
33
35
40
41
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
3
3
3
3
5
4
5
6
6
6
9
10
11
11
11
11
11
12
12
13
13
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-10
-14
-15
-16
-18
-18
-19
-19
-18
-18
-18
-18
-17
-16
-17
-18
-17
-17
-16
-16
-16
-16
-14

Dew Point (°C)

-10
-9
-12
-14
-16
-16
-17
-17
-15
-15
-14
-14
-13
-13
-12
-12
-13
-12
-12
-11
-10
-10
-9
-9

Relative Humidity (%)

79
87
88
88
88
86
86
88
92
90
92
90
90
90
88
86
88
88
90
90
90
88
85
87

Pressure (mb)

1020
1020
1020
1020
1021
1020
1020
1020
1019
1019
1018
1017
1016
1015
1015
1014
1013
1012
1011
1011
1009
1007
1006
1004

Ozone (du)

408
405
401
403
406
410
418
415
416
416
417
416
414
416
418
419
420
420
421
421
424
427
429
435

Sunday 1

Full Moon 100%

16:45

07:30

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 Bad
09 Bad
10 OK
11 OK
12 Good
13 Good
14 Good

Sun - Rise: 06:55, Set: 16:58, Transit: 11:57. Moon - Rise: 16:45, Set: 07:30. Civil Dark: 17:27 - 06:26. Nautical Dark: 18:01 - 05:52. Astro Dark: 18:34 - 05:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
89
76
64
66
60
44
31
16
2
1
1

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
94
90
83
75
71
76
76
57
24
9
2
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
91
83
75
85
93
100
82
62
42
55
60
44
31
16
2
1
1

ISS Passover

Visibility (miles)

2
2
2
1
1
1
1
1
4
6
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

36
60
66
64
77
79
75
63
53
38
27
14
1
1
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
15
15
15
15
14
14
15
14
14
14
14
14
14
14
14
14
14
15
15
15
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-14
-14
-14
-15
-16
-14
-14
-14
-13
-12
-12
-14
-14
-14
-15
-14
-15
-15
-15
-14
-14
-13
-13
-8

Dew Point (°C)

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

Relative Humidity (%)

85
84
82
82
80
83
85
85
83
79
76
75
75
74
72
71
69
71
73
73
75
76
76
75

Pressure (mb)

1003
1001
1001
1000
1000
1000
1000
1000
1001
1001
1001
1002
1002
1003
1004
1005
1007
1007
1008
1009
1009
1009
1009
1010

Ozone (du)

441
446
449
452
454
456
459
461
458
456
453
454
455
455
457
459
461
461
462
462
462
462
462
459

Monday 2

Waning Gibbous 98%

18:02

07:54

15 Good
16 Good
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 Good
07 Good
08 Good
09 Good
10 OK
11 Bad
12 Bad

Sun - Rise: 06:54, Set: 16:59, Transit: 11:57. Moon - Rise: 18:02, Set: 07:54. Civil Dark: 17:29 - 06:25. Nautical Dark: 18:02 - 05:51. Astro Dark: 18:35 - 05:18

Total Clouds (% Sky Obscured)

0
1
1
2
3
5
7
8
10
11
10
9
9
9
12
14
13
12
10
30
51
71

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
2
3
3
3
5
5
6
9
12
10
27
42
57

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
4
7
10
8
5
2
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

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
10
14

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-8
-8
-9
-9
-9
-9
-9
-9
-9
-9
-9
-9
-9
-9
-10
-9
-7
-6
-5
-4

Relative Humidity (%)

73
72
73
75
73
76
77
79
80
80
82
83
85
88
85
83
82
80
81
79
79
81

Pressure (mb)

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

Ozone (du)

457
455
448
441
435
436
437
438
440
442
444
451
459
466
469
472
475
470
465
460
451
441

Forecast for Boxford, Essex, United States of America (42.66,-70.99)

Generated: 27/01/26 15:15:03. Forecast: 27/01/26 to 02/02/26. Timezone: UTC-5.00