Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 22

First Quarter 63%

12:43

02:36

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

Sun - Rise: 05:54, Set: 19:43, Transit: 12:48. Moon - Rise: 12:43, Set: 02:36. Civil Dark: 20:13 - 05:23. Nautical Dark: 20:50 - 04:46. Astro Dark: 21:28 - 04:06

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
33
0
0

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
0
0

Medium 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

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
33
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0
0.01
0
0.04
0
0.02
0.02
0.05
0.05
0.03
0
0
0.02
0
0
0
0.01
0.01
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
6
5
4
3
3
2
2
2
2
4
6
9
11
13
15
16
17
17
18
18
17
14
12

Feels Like (°C)

8
6
4
2
3
3
2
2
2
2
4
6
9
11
13
15
16
17
17
18
18
17
14
12

Dew Point (°C)

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

Relative Humidity (%)

31
39
47
53
55
56
57
58
57
56
55
51
44
37
32
29
28
27
26
25
26
29
34
41

Pressure (mb)

1030
1030
1031
1031
1031
1032
1032
1032
1032
1032
1033
1033
1033
1033
1033
1032
1032
1031
1030
1030
1029
1029
1029
1030

Ozone (du)

388
390
389
385
380
375
371
368
366
365
364
362
360
358
355
353
350
347
346
344
343
342
340
339

Monday 23

Waxing Gibbous 73%

13:52

03:18

21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Bad
05 Bad
06 OK
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

Sun - Rise: 05:52, Set: 19:44, Transit: 12:48. Moon - Rise: 13:52, Set: 03:18. Civil Dark: 20:14 - 05:22. Nautical Dark: 20:51 - 04:44. Astro Dark: 21:30 - 04:04

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
10
63
87
31
95
95
90
91
88
72
89
99
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
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
10
7
82

High Clouds (% Sky Obscured)

0
0
0
0
0
0
10
63
87
31
95
95
90
91
88
72
89
99
100
100
100
100
100
100

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
9
7
7
6
5
4
3
3
4
5
7
10
12
15
16
17
17
17
17
16
16
14
13

Feels Like (°C)

10
8
6
5
4
4
2
1
2
3
5
7
9
12
15
16
17
17
17
17
16
16
14
13

Dew Point (°C)

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

Relative Humidity (%)

46
49
53
55
58
62
62
64
68
63
60
55
48
40
36
31
29
30
29
30
31
32
35
40

Pressure (mb)

1030
1030
1030
1031
1031
1031
1031
1031
1030
1031
1031
1031
1030
1030
1029
1028
1027
1026
1026
1025
1024
1024
1025
1024

Ozone (du)

338
336
334
331
328
325
324
323
323
323
324
325
324
323
322
322
322
321
321
320
319
318
318
318

Tuesday 24

Waxing Gibbous 73%

15:02

03:55

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
19 Bad
20 Bad

Sun - Rise: 05:51, Set: 19:45, Transit: 12:48. Moon - Rise: 15:02, Set: 03:55. Civil Dark: 20:15 - 05:20. Nautical Dark: 20:53 - 04:43. Astro Dark: 21:32 - 04:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
18
78
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

89
87
81
95
98
100
100
100
99
97
98
97
99
100
99
100
100
100
100
100
100
100
100
99

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
94
63
2
2
0
0
9
95
95
95
95
95
95
17

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
9
6
4
3
3
3
4
4
5
7
8
9
9
8
7

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
11
25
35
39
43
46
50
54
53
62
66
68
68
68
66
64
61
58
55
52
50

Precipitation Amount (mm)

0
0
0
0.02
0.1
0.21
0.25
0.29
0.36
0.45
0.57
0.46
1.1
1.62
2.01
2.04
1.85
1.57
1.2
0.81
0.55
0.41
0.34
0.31

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
48
54
59
66
73
83
93
100
100
100
99
97
96
96
97
98
98
100
99
98
95
94
94

Pressure (mb)

1025
1025
1024
1024
1023
1023
1022
1021
1021
1020
1019
1019
1017
1016
1015
1014
1012
1011
1009
1008
1007
1006
1006
1005

Ozone (du)

319
320
321
323
326
328
329
330
331
334
337
339
341
341
342
342
342
342
344
347
350
355
360
363

Wednesday 25

Waxing Gibbous 83%

16:10

04:27

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
19 Bad
20 Bad

Sun - Rise: 05:49, Set: 19:46, Transit: 12:48. Moon - Rise: 16:10, Set: 04:27. Civil Dark: 20:17 - 05:18. Nautical Dark: 20:54 - 04:41. Astro Dark: 21:34 - 04:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
63
63
63
63
63
63
99

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
54
54
54
54
54
54
99

Medium Clouds (% Sky Obscured)

99
99
99
99
99
12
12
12
12
12
12
46
46
46
46
46
46
49
49
49
49
49
49
96

High Clouds (% Sky Obscured)

17
17
17
17
17
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
100
100
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

52
53
52
47
42
36
38
34
29
25
22
18
17
17
17
17
18
17
14
10
5
5
7
8

Precipitation Amount (mm)

0.46
0.74
0.92
0.7
0.53
0.42
0.68
0.45
0.28
0.19
0.14
0.12
0.1
0.1
0.12
0.17
0.24
0.26
0.15
0.05
0.02
0.02
0.03
0.04

Wind Speed/Direction (mph)

4
2
4
2
3
3
5
6
6
5
7
8
8
8
9
9
10
10
10
10
10
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
100
100
99
100
99
100
100
100
99
92
85
78
74
73
72
70
64
58
54
54
57
61

Pressure (mb)

1005
1005
1004
1004
1004
1002
1003
1003
1003
1004
1004
1005
1005
1005
1006
1006
1006
1007
1007
1007
1008
1009
1010
1011

Ozone (du)

362
359
359
362
367
372
377
381
386
388
390
393
398
405
410
409
407
403
397
390
384
381
380
379

Thursday 26

Waxing Gibbous 90%

17:17

04:58

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
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 Bad

Sun - Rise: 05:48, Set: 19:47, Transit: 12:47. Moon - Rise: 17:17, Set: 04:58. Civil Dark: 20:18 - 05:17. Nautical Dark: 20:56 - 04:39. Astro Dark: 21:35 - 03:58

Total Clouds (% Sky Obscured)

99
99
99
99
99
100
100
100
100
100
100
15
15
15
15
15
15
0
0
0
0
0
0
89

Low Clouds (% Sky Obscured)

99
99
99
99
99
100
100
100
100
100
100
15
15
15
15
15
15
0
0
0
0
0
0
9

Medium Clouds (% Sky Obscured)

96
96
96
96
96
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17

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
86

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

8
8
7
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
7
6
6
5
5
4
3
3
4
6
8
10
12
14
15
16
16
16
16
15
14
13
11

Feels Like (°C)

7
6
5
4
4
3
3
3
3
4
6
8
10
12
14
15
16
16
16
16
15
14
13
11

Dew Point (°C)

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

Relative Humidity (%)

66
71
75
78
79
82
85
87
86
81
73
67
58
50
44
41
39
39
42
46
50
55
62
70

Pressure (mb)

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

Ozone (du)

378
377
377
377
378
379
380
382
383
385
387
387
384
379
375
371
367
365
364
364
364
363
361
360

Friday 27

Waxing Gibbous 96%

18:23

05:27

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
19 Bad
20 Bad

Sun - Rise: 05:46, Set: 19:48, Transit: 12:47. Moon - Rise: 18:23, Set: 05:27. Civil Dark: 20:19 - 05:15. Nautical Dark: 20:57 - 04:37. Astro Dark: 21:37 - 03:56

Total Clouds (% Sky Obscured)

89
89
89
89
89
45
45
45
45
45
45
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

17
17
17
17
17
0
0
0
0
0
0
0
0
0
0
0
0
44
44
44
44
44
44
100

High Clouds (% Sky Obscured)

86
86
86
86
86
45
45
45
45
45
45
100
100
100
100
100
100
100
100
100
100
100
100
1

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

12
15
17
22
25
27
27
26
24
21
16
13
12
12
12
10
9
11
15
18
20
21
22
23

Precipitation Amount (mm)

0.03
0.04
0.08
0.18
0.42
0.66
0.71
0.64
0.51
0.31
0.12
0.05
0.03
0.03
0.03
0.02
0.01
0.03
0.11
0.3
0.48
0.49
0.42
0.36

Wind Speed/Direction (mph)

4
4
4
3
3
3
3
3
3
3
3
4
4
4
5
5
6
6
5
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
9
8
8
8
8
8
7
6
6
4
5
6
8
10
11
12
13
13
14
14
14
13
12

Dew Point (°C)

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

Relative Humidity (%)

76
80
84
87
90
91
93
96
100
100
100
100
100
90
85
81
78
75
73
71
71
73
77
82

Pressure (mb)

1011
1011
1011
1010
1010
1009
1009
1009
1008
1008
1008
1007
1007
1007
1006
1006
1005
1004
1004
1003
1003
1003
1003
1003

Ozone (du)

359
358
357
356
355
355
357
359
361
362
362
362
363
364
365
368
370
373
376
379
382
385
389
394

Saturday 28

Waxing Gibbous 99%

19:28

05:57

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
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 Bad

Sun - Rise: 05:45, Set: 19:50, Transit: 12:47. Moon - Rise: 19:28, Set: 05:57. Civil Dark: 20:21 - 05:14. Nautical Dark: 20:59 - 04:36. Astro Dark: 21:39 - 03:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
100

Low Clouds (% Sky Obscured)

2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
75

Medium Clouds (% Sky Obscured)

100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
100

High Clouds (% Sky Obscured)

1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

23
22
22
21
20
18
18
19
19
19
19
20
20
18
14
7
12
13
12
13
13
12
12
11

Precipitation Amount (mm)

0.31
0.26
0.21
0.15
0.1
0.09
0.09
0.11
0.15
0.26
0.43
0.51
0.31
0.1
0.03
0.02
0.02
0.03
0.03
0.09
0.15
0.15
0.12
0.1

Wind Speed/Direction (mph)

3
2
2
3
3
5
6
6
6
7
7
7
8
10
11
12
12
13
13
13
13
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
10
9
9
8
7
6
4
3
3
3
4
5
6
7
6
6
6
5
5
5
5
4
4

Dew Point (°C)

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

Relative Humidity (%)

87
91
93
94
93
93
94
96
97
96
88
79
70
62
57
55
55
55
56
57
58
59
61
63

Pressure (mb)

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

Ozone (du)

398
402
407
413
419
424
426
428
429
429
429
428
427
425
424
421
419
417
417
418
419
421
423
424

Forecast for Grafton, Windham County, US (43.17,-72.61)

Generated: 22/04/18 21:00:07. Forecast: 22/04/18 to 28/04/18. Timezone: UTC-4.00