Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

Waning Gibbous 96%

21:11

07:36

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
15 Bad

Sun - Rise: 05:58, Set: 19:40, Transit: 12:49. Moon - Rise: 21:11, Set: 07:36. Civil Dark: 20:10 - 05:27. Nautical Dark: 20:46 - 04:51. Astro Dark: 21:25 - 04:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

7
24
40
55
100
100
98
85
39
77
39
17
64
91
73
80
33
27
14
1
2
58
38
37

Medium Clouds (% Sky Obscured)

84
0
0
0
32
7
38
18
51
59
99
100
100
100
83
70
23
9
6
0
0
10
6
4

High Clouds (% Sky Obscured)

100
100
100
100
100
94
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

8
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
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
None
None

Precipitation Probability (%)

0
0
0
8
8
7
4
2
6
10
15
16
24
28
29
14
11
9
8
7
7
6
5
3

Precipitation Amount (mm)

0
0
0
0.13
0.12
0.15
0.08
0.01
0.12
0.39
0.81
1.07
1.16
1.03
0.69
0.18
0.11
0.07
0.03
0.03
0.02
0.01
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
17
17
17
16
16
15
15
14
13
13
12
11
11
9
8
9
11
12
13
14
15
16
17

Dew Point (°C)

15
15
15
15
14
14
13
12
12
11
10
9
9
9
9
9
10
10
10
11
11
11
10
10

Relative Humidity (%)

92
89
89
89
88
87
86
86
85
83
81
82
85
88
94
98
99
96
91
86
80
73
68
66

Pressure (mb)

1010
1009
1009
1009
1009
1010
1010
1011
1012
1012
1012
1013
1013
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016

Ozone (du)

276
276
277
277
278
279
280
282
284
287
290
292
293
295
296
298
301
303
306
309
310
311
313
316

Sunday 21

Waning Gibbous 90%

22:20

08:15

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

Sun - Rise: 05:56, Set: 19:41, Transit: 12:49. Moon - Rise: 22:20, Set: 08:15. Civil Dark: 20:11 - 05:26. Nautical Dark: 20:48 - 04:49. Astro Dark: 21:27 - 04:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
61
21
17
18
11
31
77
42
55
32
76
50
71
75
84

Low Clouds (% Sky Obscured)

27
63
41
66
95
100
99
100
88
37
13
12
18
10
29
73
26
45
27
73
33
27
34
52

Medium Clouds (% Sky Obscured)

10
36
45
56
72
93
83
46
28
19
16
13
6
4
6
13
16
9
4
5
38
69
72
66

High Clouds (% Sky Obscured)

99
100
100
100
100
97
99
92
74
43
1
0
0
1
2
13
19
15
8
8
9
9
4
41

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

Precipitation Probability (%)

3
3
2
2
2
2
2
2
2
0
0
2
3
3
7
26
39
40
32
23
18
15
14
18

Precipitation Amount (mm)

0.01
0.02
0.01
0.01
0.01
0.01
0.02
0.02
0.01
0
0
0.01
0.02
0.04
0.11
0.29
0.49
0.57
0.58
0.56
0.45
0.43
0.57
0.78

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
66
69
73
78
82
85
88
89
90
90
91
91
93
95
95
93
89
85
80
75
70
68
71

Pressure (mb)

1016
1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016

Ozone (du)

320
323
325
327
328
329
329
329
331
332
333
333
332
331
330
329
329
330
332
334
337
341
343
346

Monday 22

Waning Gibbous 83%

23:25

08:57

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
15 Bad

Sun - Rise: 05:55, Set: 19:42, Transit: 12:49. Moon - Rise: 23:25, Set: 08:57. Civil Dark: 20:12 - 05:24. Nautical Dark: 20:49 - 04:47. Astro Dark: 21:29 - 04:07

Total Clouds (% Sky Obscured)

89
89
98
99
99
97
100
99
98
98
85
99
98
100
100
100
82
98
84
98
63
52
68
68

Low Clouds (% Sky Obscured)

47
63
23
70
56
77
94
9
1
1
0
2
5
100
100
100
2
90
39
18
31
34
31
31

Medium Clouds (% Sky Obscured)

84
86
98
97
98
48
34
98
97
97
77
99
92
100
100
100
74
81
69
97
49
2
48
48

High Clouds (% Sky Obscured)

31
25
67
98
98
91
99
97
77
47
54
26
38
29
14
72
48
37
53
94
46
26
40
40

ISS Passover

Visibility (miles)

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

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
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

Precipitation Probability (%)

32
42
49
54
53
50
44
38
33
29
27
25
24
22
20
19
20
20
14
12
9
6
5
3

Precipitation Amount (mm)

1.07
1.27
1.24
1.08
0.91
0.7
0.52
0.43
0.42
0.48
0.51
0.4
0.29
0.24
0.2
0.17
0.15
0.12
0.09
0.09
0.07
0.06
0.05
0.03

Wind Speed/Direction (mph)

6
6
6
6
6
6
6
6
5
5
5
5
5
5
5
5
5
6
6
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
83
85
88
90
92
93
94
94
94
93
93
94
95
98
100
100
97
93
89
80
71
64
59

Pressure (mb)

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

Ozone (du)

348
349
347
342
338
335
331
329
327
326
325
323
321
317
312
305
301
300
301
302
303
303
304
303

Tuesday 23

Waning Gibbous 74%

00:25

09:45

16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK
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

Sun - Rise: 05:53, Set: 19:43, Transit: 12:49. Moon - Rise: 00:25, Set: 09:45. Civil Dark: 20:13 - 05:23. Nautical Dark: 20:50 - 04:45. Astro Dark: 21:30 - 04:05

Total Clouds (% Sky Obscured)

68
68
68
68
39
39
39
39
39
39
98
98
98
98
98
98
68
68
68
68
68
68
98
98

Low Clouds (% Sky Obscured)

31
31
31
31
0
0
0
0
0
0
77
77
77
77
77
77
68
68
68
68
68
68
98
98

Medium Clouds (% Sky Obscured)

48
48
48
48
38
38
38
38
38
38
98
98
98
98
98
98
0
0
0
0
0
0
6
6

High Clouds (% Sky Obscured)

40
40
40
40
1
1
1
1
1
1
20
20
20
20
20
20
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
8
6
5
5
5
6
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

2
0
1
2
3
0
0
3
8
18
31
68
65
51
22
7
4
0
0
0
7
10
13
18

Precipitation Amount (mm)

0.01
0
0.01
0.03
0.06
0
0
0.01
0.05
0.19
0.36
0.65
0.66
0.56
0.33
0.11
0.02
0
0
0
0.03
0.12
0.28
0.51

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
56
57
62
66
79
83
86
87
89
90
90
90
91
91
91
89
84
77
72
68
64
63
64

Pressure (mb)

1013
1012
1012
1012
1012
1013
1013
1012
1012
1011
1010
1008
1008
1007
1007
1008
1008
1008
1008
1007
1007
1007
1006
1006

Ozone (du)

302
302
305
310
314
313
310
307
305
303
302
303
304
307
310
313
317
319
320
321
322
323
325
328

Wednesday 24

Waning Gibbous 65%

01:17

10:37

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

Sun - Rise: 05:52, Set: 19:44, Transit: 12:48. Moon - Rise: 01:17, Set: 10:37. Civil Dark: 20:15 - 05:21. Nautical Dark: 20:52 - 04:44. Astro Dark: 21:32 - 04:03

Total Clouds (% Sky Obscured)

98
98
98
98
100
100
100
100
100
100
55
55
55
55
55
55
4
4
4
4
4
4
72
72

Low Clouds (% Sky Obscured)

98
98
98
98
100
100
100
100
100
100
55
55
55
55
55
55
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

6
6
6
6
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
3
3
3
3
3
3
72
72

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

Light Rain
Light Rain
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 (%)

26
28
19
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.8
0.87
0.5
0.11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
12
12
11
10
9
8
8
7
7
6
5
5
5
5
5
7
9
10
11
13
15
16

Feels Like (°C)

13
12
12
12
11
10
7
6
5
5
4
4
3
3
2
3
3
5
7
8
11
13
15
16

Dew Point (°C)

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

Relative Humidity (%)

66
70
72
74
75
73
70
68
70
73
75
76
76
76
74
71
66
60
54
51
47
44
40
38

Pressure (mb)

1006
1006
1006
1007
1007
1008
1008
1009
1009
1009
1009
1009
1010
1010
1011
1012
1012
1012
1012
1012
1012
1011
1011
1011

Ozone (du)

332
335
338
340
341
343
343
344
346
347
348
349
350
350
348
345
343
341
340
338
336
334
333
331

Thursday 25

Waning Gibbous 55%

02:03

11:33

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
15 Bad

Sun - Rise: 05:50, Set: 19:45, Transit: 12:48. Moon - Rise: 02:03, Set: 11:33. Civil Dark: 20:16 - 05:19. Nautical Dark: 20:53 - 04:42. Astro Dark: 21:34 - 04:01

Total Clouds (% Sky Obscured)

72
72
72
72
96
96
96
96
96
96
99
99
99
99
99
99
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
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
95
95
95
95
95
95
10
10
10
10
10
10
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

72
72
72
72
27
27
27
27
27
27
99
99
99
99
99
99
32
32
32
32
32
32
99
99

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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02

Wind Speed/Direction (mph)

5
5
4
3
2
2
1
1
1
1
1
2
2
2
2
2
3
3
4
4
4
3
7
7

Chance of Frost

Temperature (°C)

17
17
15
13
11
10
8
7
7
6
6
5
4
4
5
6
8
10
12
14
15
16
16
15

Feels Like (°C)

17
17
15
13
11
10
8
7
7
6
6
5
4
4
5
6
8
10
12
14
15
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

36
37
41
48
55
62
67
71
74
75
75
78
81
82
79
74
67
60
55
51
48
47
48
51

Pressure (mb)

1011
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1008

Ozone (du)

330
329
329
329
329
330
331
333
335
338
340
341
342
344
347
350
354
359
365
370
374
377
380
382

Friday 26

Third Quarter 45%

02:42

12:30

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

Sun - Rise: 05:49, Set: 19:47, Transit: 12:48. Moon - Rise: 02:42, Set: 12:30. Civil Dark: 20:17 - 05:18. Nautical Dark: 20:55 - 04:40. Astro Dark: 21:36 - 03:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
23
23
23
23
23
23
69
69

Low Clouds (% Sky Obscured)

100
100
100
100
6
6
6
6
6
6
1
1
1
1
1
1
23
23
23
23
23
23
69
69

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
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

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

Precipitation Probability (%)

6
7
12
22
28
24
16
15
22
36
43
40
33
29
27
25
24
23
19
16
16
17
14
11

Precipitation Amount (mm)

0.04
0.06
0.09
0.2
0.29
0.21
0.09
0.05
0.12
0.34
0.57
0.62
0.58
0.54
0.53
0.51
0.48
0.4
0.32
0.29
0.39
0.56
0.67
0.61

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
13
12
11
11
9
8
7
6
5
4
3
3
2
2
2
2
1
1
2
3
5
6

Dew Point (°C)

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

Relative Humidity (%)

55
59
63
69
74
77
78
80
81
82
82
83
84
84
81
79
76
74
72
71
66
62
57
52

Pressure (mb)

1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

383
385
387
389
391
390
389
389
392
396
400
402
404
405
405
404
402
400
398
396
394
392
390
388

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

Generated: 20/04/19 16:00:02. Forecast: 20/04/19 to 26/04/19. Timezone: UTC-4.00