Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 24

Waxing Crescent 36%

10:09

23:26

15 OK
16 OK
17 OK
18 Good
19 OK
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

Sun - Rise: 07:03, Set: 16:47, Transit: 11:56. Moon - Rise: 10:09, Set: 23:26. Civil Dark: 17:18 - 06:33. Nautical Dark: 17:52 - 05:59. Astro Dark: 18:25 - 05:26

Total Clouds (% Sky Obscured)

29
26
25
16
44
87
98
84
86
99
100
100
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
28
30
71
81
88
100
100

Medium Clouds (% Sky Obscured)

2
2
3
7
20
28
42
73
69
79
95
99
88
97
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

3
19
17
13
36
75
96
72
46
47
70
32
96
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
2
1
0

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
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
6
39
66
87
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
1.2

Wind Speed/Direction (mph)

13
11
10
8
8
8
8
9
8
8
7
7
7
5
5
4
4
4
3
4
4
4
4
4

Chance of Frost

Temperature (°C)

-12
-13
-14
-13
-13
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-13
-13
-12
-11
-11
-11
-10
-11

Feels Like (°C)

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

Dew Point (°C)

-25
-24
-24
-22
-22
-22
-22
-22
-23
-23
-23
-23
-23
-23
-23
-23
-23
-22
-22
-22
-22
-22
-19
-14

Relative Humidity (%)

33
37
42
45
46
48
48
48
46
46
46
44
44
46
46
45
45
44
42
40
39
39
47
73

Pressure (mb)

1035
1036
1036
1037
1037
1037
1038
1038
1038
1037
1037
1038
1038
1038
1038
1038
1038
1038
1038
1036
1036
1034
1033
1031

Ozone (du)

300
300
298
298
298
295
292
290
291
293
294
293
292
291
292
293
292
292
293
290
287
286
284
282

Sunday 25

First Quarter 47%

10:37

00:41

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 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:02, Set: 16:49, Transit: 11:56. Moon - Rise: 10:37, Set: 00:41. Civil Dark: 17:19 - 06:32. Nautical Dark: 17:53 - 05:58. Astro Dark: 18:26 - 05:25

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
90
96
95
94
95
100
100
93
92
94
93
91
91

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
96
89
46
40
37
32
35
43
39
61
94
93
96
71

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
55
50
8
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
5
4
2
1
2

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
89
77
78
77
79
73
70
66
73
68
56

Precipitation Amount (mm)

1.6
2
2.3
3
2.7
3.3
3.3
3.2
2.9
2.6
2.2
1.3
0.7
0.6
0.4
0.4
0.5
0.6
0.5
0.4
0.3
0.3
0.3
0.2

Wind Speed/Direction (mph)

4
6
7
6
11
13
14
14
15
15
17
18
17
16
17
15
14
12
12
12
12
12
10
9

Chance of Frost

Temperature (°C)

-10
-10
-10
-9
-5
-4
-4
-3
-3
-3
-3
-5
-5
-5
-5
-5
-5
-7
-9
-10
-9
-8
-8
-7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
88
90
94
94
94
94
94
94
96
96
94
94
94
92
94
94
94
92
88
88
88
90

Pressure (mb)

1030
1029
1027
1025
1022
1021
1018
1016
1015
1013
1012
1010
1008
1007
1006
1006
1005
1006
1006
1005
1004
1003
1003
1002

Ozone (du)

281
279
279
279
280
279
280
279
279
280
284
286
287
287
286
290
291
293
297
304
310
315
321
323

Monday 26

Waxing Gibbous 59%

11:12

02:00

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

Sun - Rise: 07:02, Set: 16:50, Transit: 11:56. Moon - Rise: 11:12, Set: 02:00. Civil Dark: 17:20 - 06:31. Nautical Dark: 17:54 - 05:57. Astro Dark: 18:27 - 05:24

Total Clouds (% Sky Obscured)

99
98
99
100
100
100
97
98
79
45
14
2
7
2
1
0
0
0
40
89
90
91
94
96

Low Clouds (% Sky Obscured)

93
94
96
97
96
81
89
94
79
12
3
2
7
1
1
0
0
0
0
2
18
40
56
68

Medium Clouds (% Sky Obscured)

27
89
99
99
100
100
27
21
23
14
3
0
0
0
0
0
0
0
13
89
90
91
94
96

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
15
25
15
5

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
1
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

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

Precipitation Type

Snow
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 (%)

64
76
73
79
69
72
52
39
35
11
2
0
0
0
0
0
0
0
0
0
0
0
1
17

Precipitation Amount (mm)

0.3
0.4
0.3
0.4
0.3
0.4
0.2
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
5
5
4
3
1
4
9
13
14
14
13
13
12
12
10
8
7
9
10
10
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-11
-11
-12
-11
-11
-13
-14
-17
-16
-17
-17
-17
-18
-18
-18
-18
-17
-16
-15
-15
-14
-13
-13

Dew Point (°C)

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

Relative Humidity (%)

90
94
94
94
96
96
94
87
78
72
75
75
73
71
71
72
74
74
74
70
71
72
74
77

Pressure (mb)

1002
1003
1003
1003
1004
1004
1004
1004
1005
1006
1007
1009
1010
1011
1012
1013
1014
1015
1016
1016
1015
1015
1014
1014

Ozone (du)

324
329
342
345
351
355
366
374
375
380
379
389
395
401
408
406
398
399
400
409
408
414
414
415

Tuesday 27

Waxing Gibbous 70%

11:58

03:18

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

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
96
93
90
84
75
64
59
24
17
7
5
5
2
2
2
2
2
0
0
2
3
39
34

Low Clouds (% Sky Obscured)

86
80
74
68
63
55
54
58
18
7
5
4
4
2
1
1
1
1
0
0
0
0
11
15

Medium Clouds (% Sky Obscured)

100
96
91
87
84
75
64
57
12
17
4
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
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)

0
2
8
7
0
0
2
5
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 (%)

22
16
19
26
27
24
9
3
1
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
6
5
4
5
5
7
7
7
7
7
6
7
6
6
6
6
7
8
8
9
10
9

Chance of Frost

Temperature (°C)

-9
-9
-10
-10
-11
-11
-11
-12
-13
-14
-15
-16
-16
-16
-16
-17
-17
-16
-13
-10
-8
-7
-6
-7

Feels Like (°C)

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

Dew Point (°C)

-11
-10
-11
-12
-12
-12
-12
-14
-16
-17
-18
-19
-19
-18
-19
-19
-20
-19
-16
-14
-12
-12
-11
-11

Relative Humidity (%)

85
88
87
86
92
92
92
88
79
81
81
81
80
81
80
79
79
78
76
72
71
70
70
71

Pressure (mb)

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

Ozone (du)

421
418
416
413
415
424
427
430
432
432
428
424
419
415
416
417
418
417
418
416
422
439
457
474

Wednesday 28

Waxing Gibbous 81%

12:57

04:31

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

20
13
10
10
10
10
10
15
15
15
20
20
25
20
35
35
40
35
40
45
50
50
64
72

Low Clouds (% Sky Obscured)

17
13
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
27
46

Medium Clouds (% Sky Obscured)

0
1
10
10
5
5
5
5
10
10
10
15
20
20
20
20
20
10
10
10
5
5
4
8

High Clouds (% Sky Obscured)

0
0
0
0
0
5
1
15
15
15
15
5
10
10
5
7
5
2
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
1
1
1
6
9
4
14
15

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
82
88
88
86
86
86
86
86
86
88
86
88
88
88
88
88
86
85
81
80
77
76
76

Pressure (mb)

1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1016
1016
1016
1015
1014
1014
1013

Ozone (du)

481
487
486
487
486
485
484
481
472
469
467
467
469
470
472
476
474
475
477
478
479
481
482
482

Thursday 29

Waxing Gibbous 89%

14:08

05:33

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

81
62
39
15
15
14
14
11
7
3
3
2
1
1
1
1
1
3
2
5
9
13
38
63

Low Clouds (% Sky Obscured)

69
50
31
12
8
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
3

Medium Clouds (% Sky Obscured)

22
22
11
2
2
2
3
2
2
1
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
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 (%)

14
14
10
1
2
2
0
1
0
0
1
0
0
1
1
0
1
1
0
1
0
0
1
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)

9
9
8
6
5
6
7
8
8
9
10
9
8
8
7
7
6
7
9
10
10
10
10
9

Chance of Frost

Temperature (°C)

-7
-8
-10
-13
-15
-15
-15
-14
-14
-13
-12
-13
-14
-15
-16
-17
-18
-16
-14
-12
-11
-10
-9
-9

Feels Like (°C)

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

Dew Point (°C)

-10
-11
-13
-15
-17
-17
-18
-18
-17
-17
-16
-17
-18
-18
-19
-20
-21
-19
-18
-17
-16
-14
-14
-12

Relative Humidity (%)

77
79
80
83
84
81
78
73
74
73
72
73
74
76
76
78
79
76
71
69
69
69
69
74

Pressure (mb)

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

Ozone (du)

482
481
480
478
477
481
485
489
489
488
488
485
483
481
476
471
466
457
448
439
432
425
418
419

Friday 30

Waxing Gibbous 96%

No Rise

06:22

15 Bad
16 Bad
17 Bad
18 OK
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

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)

88
74
60
46
53
59
66
64
58
53
69
82
98
100
99
99
99
100
100
98
94
86

Low Clouds (% Sky Obscured)

0
0
0
1
1
0
1
1
1
2
5
5
9
17
22
25
27
35
45
54
57
59

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
15
30
46
63
76
94
95
97
98
99
99
100
98
94
86

High Clouds (% Sky Obscured)

0
6
14
22
34
45
53
25
3
0
0
0
0
5
10
14
48
55
63
73
42
7

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

Wind Speed/Direction (mph)

8
7
6
5
4
4
4
4
4
4
4
4
4
4
3
3
3
3
4
4
4
3

Chance of Frost

Temperature (°C)

-9
-9
-11
-13
-15
-16
-16
-17
-18
-19
-20
-19
-19
-18
-18
-17
-16
-15
-13
-11
-9
-8

Feels Like (°C)

-13
-12
-13
-12
-12
-20
-19
-19
-19
-19
-19
-23
-23
-23
-22
-23
-23
-20
-19
-18
-17
-17

Dew Point (°C)

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

Relative Humidity (%)

75
78
80
84
86
84
83
83
82
81
81
80
81
81
82
81
84
82
81
80
80
78

Pressure (mb)

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

Ozone (du)

421
422
423
424
425
432
439
446
436
426
416
413
410
406
407
409
410
409
409
409
410
412

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

Generated: 24/01/26 15:19:18. Forecast: 24/01/26 to 30/01/26. Timezone: UTC-5.00