Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 19

Waxing Crescent 41%

10:47

23:33

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

Sun - Rise: 07:08, Set: 16:41, Transit: 11:55. Moon - Rise: 10:47, Set: 23:33. Civil Dark: 17:12 - 06:37. Nautical Dark: 17:46 - 06:03. Astro Dark: 18:20 - 05:29

Total Clouds (% Sky Obscured)

0
0
1
30
41
52
75
61
10
39
21
27
47
76
13
9
56
76
96
91
43
40
38
77

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
8
10
4
8
0
0
3
1
0
0
0

Medium Clouds (% Sky Obscured)

0
0
1
30
41
52
73
56
10
0
2
18
37
52
5
7
55
22
44
90
42
40
0
38

High Clouds (% Sky Obscured)

0
0
0
0
0
1
18
21
0
39
20
21
34
63
3
0
0
70
95
5
0
0
38
76

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

-
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
1
1
0
1
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.03
0.04
0
0.03
0.03
0
0.01
0.04
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
65
65
66
65
62
57
53
51
51
52
54
57
62
70
75
81
83
83
82
82
82
81
78

Pressure (mb)

1012
1013
1013
1014
1014
1015
1015
1016
1016
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1015
1014
1014
1013

Ozone (du)

387
391
387
386
389
387
384
381
379
377
381
383
385
388
389
392
399
398
398
399
402
407
429
441

Wednesday 20

First Quarter 51%

11:08

00:33

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 OK
16 Good
17 OK
18 Bad
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good

Sun - Rise: 07:07, Set: 16:42, Transit: 11:55. Moon - Rise: 11:08, Set: 00:33. Civil Dark: 17:13 - 06:36. Nautical Dark: 17:48 - 06:02. Astro Dark: 18:21 - 05:28

Total Clouds (% Sky Obscured)

66
86
94
91
96
98
97
97
95
87
83
65
26
9
15
81
0
0
0
0
0
0
0
20

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
0
0
23
2
10
8
1
1
13
81
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

58
86
94
91
96
98
97
97
95
87
83
65
26
9
10
0
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

50
5
0
0
0
6
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
20

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
72
71
70
69
67
63
58
53
48
44
46
47
49
53
57
59
59
57
55
54
53
52
51

Pressure (mb)

1012
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1011
1012
1012
1013
1014
1014
1014
1014
1014
1013
1013

Ozone (du)

449
455
459
463
463
470
473
475
474
473
461
459
455
459
450
451
455
450
443
438
435
431
438
436

Thursday 21

Waxing Gibbous 60%

11:31

01:34

03 Bad
04 Bad
05 OK
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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:06, Set: 16:44, Transit: 11:55. Moon - Rise: 11:31, Set: 01:34. Civil Dark: 17:14 - 06:36. Nautical Dark: 17:49 - 06:01. Astro Dark: 18:22 - 05:28

Total Clouds (% Sky Obscured)

96
97
45
90
98
99
98
86
95
95
60
60
60
60
60
60
67
67
67
67
67
67
88
88

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
6
6

Medium Clouds (% Sky Obscured)

0
0
1
0
66
89
91
86
95
95
60
60
60
60
60
60
66
66
66
66
66
66
88
88

High Clouds (% Sky Obscured)

96
97
45
90
98
99
96
25
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Amount (mm)

0
0
0.01
0.01
0.01
0.01
0
0
0.01
0.02
0.03
0.04
0.03
0.02
0.01
0
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
6
6
6
6
7
8
9
9
9
8
7
6
6
6
6
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-15
-15
-15
-15
-15
-14
-12
-11
-9
-8
-6
-4
-4
-3
-3
-4
-3
-3
-3
-3
-3
-3
-4
-4

Relative Humidity (%)

50
49
49
50
50
51
54
56
58
62
68
71
71
73
77
80
86
89
90
90
89
89
88
86

Pressure (mb)

1013
1012
1012
1011
1011
1010
1010
1009
1007
1006
1004
1003
1002
1002
1002
1002
1002
1002
1002
1002
1001
1001
1001
1001

Ozone (du)

434
430
429
427
424
420
420
419
416
414
412
411
411
411
411
412
411
412
413
413
416
417
427
435

Friday 22

Waxing Gibbous 70%

11:56

02:36

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

Sun - Rise: 07:06, Set: 16:45, Transit: 11:55. Moon - Rise: 11:56, Set: 02:36. Civil Dark: 17:16 - 06:35. Nautical Dark: 17:50 - 06:01. Astro Dark: 18:23 - 05:27

Total Clouds (% Sky Obscured)

88
88
88
88
41
41
41
41
41
41
37
37
37
37
37
37
84
84
84
84
84
84
9
9

Low Clouds (% Sky Obscured)

6
6
6
6
0
0
0
0
0
0
8
8
8
8
8
8
20
20
20
20
20
20
9
9

Medium Clouds (% Sky Obscured)

88
88
88
88
41
41
41
41
41
41
37
37
37
37
37
37
83
83
83
83
83
83
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)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Amount (mm)

0
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
87
85
80
72
68
63
60
61
56
60
66
74
81
84
86
81
77
75
73
66
67

Pressure (mb)

1000
1000
1001
1001
1002
1002
1003
1003
1003
1003
1002
1003
1003
1004
1005
1006
1007
1008
1008
1008
1008
1009
1008
1009

Ozone (du)

440
442
449
454
453
452
450
451
449
444
437
432
430
429
430
431
428
425
425
426
427
429
430
431

Saturday 23

Waxing Gibbous 78%

12:26

No Set

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

Sun - Rise: 07:05, Set: 16:46, Transit: 11:56. Moon - Rise: 12:26, Set: No Set. Civil Dark: 17:17 - 06:34. Nautical Dark: 17:51 - 06:00. Astro Dark: 18:24 - 05:27

Total Clouds (% Sky Obscured)

9
9
9
9
3
3
3
3
3
3
28
28
28
28
28
28
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

9
9
9
9
3
3
3
3
3
3
27
27
27
27
27
27
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
9
9
9
9
9
9
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)

10
10
8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Amount (mm)

0
0.02
0.07
0.05
0.03
0
0
0
0
0
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
12
12
10
11
12
13
13
14
14
14
14
15
15
15
14
14
14
14
14
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
67
69
64
65
57
51
45
39
37
39
41
45
49
52
54
53
53
54
54
54
53
52
51

Pressure (mb)

1009
1009
1010
1011
1011
1012
1013
1014
1014
1014
1015
1016
1016
1017
1017
1018
1020
1021
1021
1021
1021
1020
1020
1020

Ozone (du)

433
433
433
432
432
432
430
427
425
424
422
424
428
430
430
429
410
408
409
410
410
411
411
410

Sunday 24

Waxing Gibbous 86%

13:01

03:38

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

Sun - Rise: 07:04, Set: 16:48, Transit: 11:56. Moon - Rise: 13:01, Set: 03:38. Civil Dark: 17:18 - 06:34. Nautical Dark: 17:52 - 05:59. Astro Dark: 18:26 - 05:26

Total Clouds (% Sky Obscured)

0
0
0
0
2
2
2
2
2
2
1
1
1
1
1
1
0
0
0
0
0
0
68
68

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
3
3

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
66
66

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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)

13
13
13
13
13
13
13
13
12
12
11
11
10
10
9
9
8
8
7
6
6
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-16
-16
-16
-16
-15
-13
-11
-9
-7
-5
-4
-4
-5
-7
-8
-8
-9
-9
-10
-10
-10
-10
-10

Dew Point (°C)

-17
-17
-17
-17
-17
-17
-17
-16
-16
-16
-16
-16
-15
-14
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13

Relative Humidity (%)

51
51
51
51
49
46
42
39
36
31
28
28
31
35
40
45
49
51
53
54
55
57
58
58

Pressure (mb)

1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019

Ozone (du)

407
405
404
404
402
400
397
393
390
386
383
381
380
379
377
376
376
377
380
382
382
381
380
379

Monday 25

Waxing Gibbous 92%

13:44

04:39

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
02 OK

Sun - Rise: 07:03, Set: 16:49, Transit: 11:56. Moon - Rise: 13:44, Set: 04:39. Civil Dark: 17:19 - 06:33. Nautical Dark: 17:53 - 05:59. Astro Dark: 18:27 - 05:25

Total Clouds (% Sky Obscured)

68
68
68
68
100
100
100
100
100
100
91
91
91
91
91
91
38
38
38
38
38
38
18
18

Low Clouds (% Sky Obscured)

2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
3
3
3
99
99
99
99
99
99
88
88
88
88
88
88
38
38
38
38
38
38
18
18

High Clouds (% Sky Obscured)

66
66
66
66
99
99
99
99
99
99
82
82
82
82
82
82
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
9
4
1
0
0
0
0
0
0
0
0
0
5
10
10
10

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
Snow
Snow
Snow
Snow
Snow
Light Rain
Light Rain
Snow
Snow
Snow
None
None

Precipitation Probability (%)

0
0
0
0
0
1
1
1
1
1
2
3
7
18
40
47
48
43
34
25
15
8
5
0

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.05
0.09
0.06
0.03
0.07
0.17
0.34
0.53
0.71
0.86
0.89
0.7
0.43
0.22
0.09
0.02
0.01
0

Wind Speed/Direction (mph)

4
3
3
2
2
2
3
3
4
4
4
5
5
5
6
7
7
7
6
6
6
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
61
62
63
62
60
58
58
58
58
60
66
74
81
87
92
96
98
99
100
99
98
96
95

Pressure (mb)

1019
1018
1018
1017
1017
1017
1017
1016
1015
1014
1013
1012
1011
1010
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008

Ozone (du)

377
376
375
374
373
372
371
371
370
370
371
374
377
380
382
383
383
381
378
375
374
374
375
377

Forecast for Boxford, Essex County, US (42.66,-70.99)

Generated: 19/01/21 03:07:11. Forecast: 19/01/21 to 25/01/21. Timezone: UTC-5.00