Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 22

First Quarter 63%

12:44

02:37

21 OK
22 OK
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 Bad
19 Good
20 Good

Sun - Rise: 05:54, Set: 19:43, Transit: 12:49. Moon - Rise: 12:44, Set: 02:37. Civil Dark: 20:14 - 05:24. Nautical Dark: 20:51 - 04:47. Astro Dark: 21:29 - 04:07

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
58
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
58
0
0

ISS Passover

Visibility (miles)

6
8
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

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

Precipitation Probability (%)

15
17
7
3
2
2
0
0
0
0
7
5
0
2
0
0
2
2
1
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
4
2
2
1
1
0
1
0
1
2
5
7
9
11
13
14
15
16
16
16
15
12
10

Feels Like (°C)

5
4
2
2
-0
1
0
1
0
1
2
5
7
9
11
13
14
15
16
16
16
15
12
10

Dew Point (°C)

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

Relative Humidity (%)

44
48
53
57
59
61
62
58
60
60
60
54
44
38
35
31
31
29
28
27
28
32
39
45

Pressure (mb)

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

Ozone (du)

387
388
387
383
377
372
369
366
364
363
362
361
359
356
354
351
348
346
344
343
341
340
339
338

Monday 23

Waxing Gibbous 73%

13:53

03:19

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: 05:53, Set: 19:44, Transit: 12:49. Moon - Rise: 13:53, Set: 03:19. Civil Dark: 20:15 - 05:22. Nautical Dark: 20:52 - 04:45. Astro Dark: 21:31 - 04:05

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
8
56
88
33
94
98
87
91
91
65
84
98
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
34
31
39
84

High Clouds (% Sky Obscured)

0
0
0
0
0
0
8
56
88
33
94
98
87
91
91
65
84
98
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
3
3
3
0
0
0
0
0
0
0
0
0
2
2
2
3
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
6
4
3
2
2
1
1
1
2
3
5
8
11
13
14
15
16
16
15
15
14
12
11

Dew Point (°C)

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

Relative Humidity (%)

50
53
56
60
63
64
65
64
64
64
62
58
51
43
37
34
33
32
32
34
35
38
41
44

Pressure (mb)

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

Ozone (du)

336
334
332
329
326
324
323
322
322
323
323
324
323
322
322
321
321
320
320
319
318
318
317
317

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: 19:46, Transit: 12:48. Moon - Rise: 15:02, Set: 03:55. Civil Dark: 20:16 - 05:21. Nautical Dark: 20:54 - 04:43. Astro Dark: 21:33 - 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
6
20
100
100
98
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

93
88
88
95
97
98
100
100
99
98
99
98
98
100
99
99
99
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
89
46
7
11
0
0
8
98
98
98
98
98
98
23

ISS Passover

Visibility (miles)

10
10
10
10
8
5
4
3
2
2
2
2
2
2
3
4
5
5
5
4
4
3
2
1

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

4
6
11
21
34
44
49
53
56
57
59
61
64
68
69
69
68
66
64
60
57
54
50
48

Precipitation Amount (mm)

0.01
0.02
0.04
0.11
0.26
0.45
0.62
0.79
0.94
0.98
0.99
1.09
1.45
2.02
2.42
2.33
2.03
1.71
1.3
0.9
0.65
0.47
0.34
0.33

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
53
58
66
76
85
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Pressure (mb)

1024
1024
1024
1024
1023
1023
1022
1021
1020
1020
1019
1018
1017
1016
1015
1013
1012
1010
1009
1008
1007
1006
1006
1005

Ozone (du)

318
319
321
323
325
327
329
330
331
333
336
338
339
340
341
341
341
341
344
347
350
354
358
360

Wednesday 25

Waxing Gibbous 83%

16:11

04:28

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: 05:50, Set: 19:47, Transit: 12:48. Moon - Rise: 16:11, Set: 04:28. Civil Dark: 20:17 - 05:19. Nautical Dark: 20:55 - 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
66
66
66
66
66
66
99

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
64
64
64
64
64
64
99

Medium Clouds (% Sky Obscured)

100
100
100
100
100
5
5
5
5
5
5
63
63
63
63
63
63
41
41
41
41
41
41
41

High Clouds (% Sky Obscured)

23
23
23
23
23
0
0
0
0
0
0
0
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
1
-
-
-
-
-
-
-
-
-
-
-
-

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

50
52
52
46
40
36
36
33
30
25
20
17
15
17
18
17
16
14
12
9
8
8
8
9

Precipitation Amount (mm)

0.51
0.91
1.13
0.82
0.54
0.52
0.61
0.45
0.31
0.18
0.08
0.05
0.05
0.09
0.12
0.12
0.1
0.08
0.06
0.04
0.03
0.04
0.05
0.05

Wind Speed/Direction (mph)

5
4
4
2
3
5
5
6
7
5
6
8
8
8
10
10
10
11
11
10
10
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
100
97
90
85
84
83
79
72
64
60
60
64
68

Pressure (mb)

1004
1004
1003
1003
1002
1002
1001
1001
1001
1001
1001
1002
1005
1006
1006
1006
1007
1007
1007
1007
1008
1009
1010
1011

Ozone (du)

360
357
357
361
368
374
378
382
385
388
390
393
399
406
410
409
406
402
396
389
383
380
379
377

Thursday 26

Waxing Gibbous 90%

17:18

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: 19:48, Transit: 12:48. Moon - Rise: 17:18, Set: 04:58. Civil Dark: 20:19 - 05:17. Nautical Dark: 20:57 - 04:40. Astro Dark: 21:36 - 03:58

Total Clouds (% Sky Obscured)

99
99
99
99
99
100
100
100
100
100
100
2
2
2
2
2
2
0
0
0
0
0
0
97

Low Clouds (% Sky Obscured)

99
99
99
99
99
100
100
100
100
100
100
2
2
2
2
2
2
0
0
0
0
0
0
4

Medium Clouds (% Sky Obscured)

41
41
41
41
41
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
96

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
None
None

Precipitation Probability (%)

9
8
8
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
6
5
4
4
3
3
2
2
3
5
7
9
10
12
13
14
15
14
14
13
12
11
10

Feels Like (°C)

5
4
3
2
2
2
1
2
2
3
5
7
9
10
12
13
14
15
14
14
13
12
11
9

Dew Point (°C)

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

Relative Humidity (%)

72
78
82
85
86
88
90
92
91
87
79
71
62
54
49
45
43
43
45
50
55
61
68
75

Pressure (mb)

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

Ozone (du)

376
375
375
376
376
377
379
380
382
384
386
387
383
378
373
369
366
364
363
364
365
363
362
360

Friday 27

Waxing Gibbous 96%

18:24

05:28

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: 05:47, Set: 19:49, Transit: 12:48. Moon - Rise: 18:24, Set: 05:28. Civil Dark: 20:20 - 05:16. Nautical Dark: 20:58 - 04:38. Astro Dark: 21:38 - 03:56

Total Clouds (% Sky Obscured)

97
97
97
97
97
72
72
72
72
72
72
98
98
98
98
98
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

4
4
4
4
4
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
40

Medium Clouds (% Sky Obscured)

4
4
4
4
4
0
0
0
0
0
0
0
0
0
0
0
0
73
73
73
73
73
73
100

High Clouds (% Sky Obscured)

96
96
96
96
96
72
72
72
72
72
72
98
98
98
98
98
98
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

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

Precipitation Probability (%)

4
11
14
22
26
28
28
27
25
21
16
12
11
11
11
10
10
13
17
20
22
23
24
24

Precipitation Amount (mm)

0.01
0.03
0.06
0.17
0.48
0.77
0.73
0.51
0.3
0.15
0.05
0.02
0.02
0.02
0.03
0.02
0.01
0.04
0.18
0.52
0.82
0.77
0.54
0.38

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
85
90
94
97
98
100
100
100
100
100
100
100
98
93
89
86
83
79
78
78
81
86
91

Pressure (mb)

1011
1011
1010
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
356
356
357
360
361
362
362
362
363
364
366
368
371
374
377
380
383
387
391
396

Saturday 28

Waxing Gibbous 99%

19:29

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 OK
09 OK
10 Good
11 OK
12 OK
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Bad

Sun - Rise: 05:45, Set: 19:50, Transit: 12:48. Moon - Rise: 19:29, Set: 05:57. Civil Dark: 20:21 - 05:14. Nautical Dark: 20:59 - 04:36. Astro Dark: 21:40 - 03:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
2
2
2
2
2
2
0
0
0
0
0
0
1
1
1
1
1
1
100

Low Clouds (% Sky Obscured)

40
40
40
40
40
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
66

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
14

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 (%)

24
23
23
22
21
21
20
20
20
21
21
21
21
20
18
16
15
14
14
14
14
13
13
12

Precipitation Amount (mm)

0.32
0.29
0.27
0.24
0.21
0.2
0.19
0.2
0.23
0.33
0.49
0.55
0.39
0.18
0.08
0.07
0.08
0.08
0.08
0.13
0.2
0.22
0.2
0.16

Wind Speed/Direction (mph)

3
2
2
3
2
5
6
6
6
6
6
6
6
9
11
12
12
12
13
13
13
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
99
100
100
100
100
99
98
98
96
91
83
75
68
63
61
61
62
64
67
69
71
71
72

Pressure (mb)

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

Ozone (du)

400
405
409
415
420
424
426
426
426
426
426
426
425
423
421
419
417
416
416
417
418
419
421
422

Forecast for Londonderry, Windham County, US (43.20,-72.77)

Generated: 22/04/18 21:58:28. Forecast: 22/04/18 to 28/04/18. Timezone: UTC-4.00