Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

Waning Gibbous 94%

23:08

07:34

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

Sun - Rise: 05:20, Set: 20:14, Transit: 12:47. Moon - Rise: 23:08, Set: 07:34. Civil Dark: 20:48 - 04:47. Nautical Dark: 21:30 - 04:04. Astro Dark: 22:20 - 03:14

Total Clouds (% Sky Obscured)

64
100
98
45
7
5
99
99
100
98
100
96
95
100
96
77
57
52
29
20
32
20
21
1

Low Clouds (% Sky Obscured)

63
100
98
45
7
5
99
99
100
98
100
96
95
100
96
73
26
51
17
9
31
20
21
1

Medium Clouds (% Sky Obscured)

2
3
1
0
0
0
0
0
0
0
0
0
2
45
91
73
56
26
27
18
28
7
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)

6
6
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
0
3
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
7
9
12
12
14
14
14
15
16
17
17
18
19
19
19
17
14
12
12
12
12
12
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
3
2
2
2
2
2
2
3
2
2
2
2
2
2
2
1
1
1
0

Relative Humidity (%)

60
62
68
72
71
69
66
62
57
53
52
48
46
42
41
42
43
45
47
48
48
48
49
50

Pressure (mb)

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

Ozone (du)

341
337
334
332
333
335
336
336
335
334
334
335
335
336
336
336
337
338
338
337
335
334
334
334

Wednesday 22

Waning Gibbous 87%

23:57

08:25

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

Sun - Rise: 05:20, Set: 20:15, Transit: 12:47. Moon - Rise: 23:57, Set: 08:25. Civil Dark: 20:49 - 04:46. Nautical Dark: 21:31 - 04:03. Astro Dark: 22:22 - 03:13

Total Clouds (% Sky Obscured)

31
25
1
41
3
1
0
1
1
67
1
0
0
43
99
100
89
92
79
67
71
41
23
40

Low Clouds (% Sky Obscured)

30
25
1
41
3
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
61
71
41
23
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
66
1
0
0
43
99
100
89
92
78
56
6
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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
9
9
9
9
10
11
11
11
12
12
11
11
10
9
8
6
4
3
2
2
2
1
1

Chance of Frost

Temperature (°C)

10
9
9
8
8
9
10
11
13
14
15
16
17
18
19
19
18
16
15
13
12
11
10
10

Feels Like (°C)

10
7
6
6
6
6
7
11
13
14
15
16
17
18
19
19
18
16
15
13
12
11
10
10

Dew Point (°C)

0
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
3
4
4
4
4
3
3
3

Relative Humidity (%)

51
54
58
60
61
60
58
53
48
44
42
39
35
33
32
33
37
44
51
55
57
59
61
62

Pressure (mb)

1017
1018
1019
1020
1021
1021
1022
1022
1023
1023
1023
1023
1022
1022
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024

Ozone (du)

335
335
335
335
335
335
334
333
330
328
326
324
322
321
321
321
321
321
320
318
315
313
312
312

Thursday 23

Waning Gibbous 80%

00:40

09:20

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

Sun - Rise: 05:19, Set: 20:16, Transit: 12:47. Moon - Rise: 00:40, Set: 09:20. Civil Dark: 20:50 - 04:45. Nautical Dark: 21:33 - 04:02. Astro Dark: 22:23 - 03:11

Total Clouds (% Sky Obscured)

77
69
87
80
98
31
30
19
11
63
64
47
65
65
65
65
65
65
83
83
83
83
83
83

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

77
69
87
79
97
29
30
18
10
8
0
0
65
65
65
65
65
65
56
56
56
56
56
56

High Clouds (% Sky Obscured)

9
0
0
5
18
2
0
1
0
59
63
46
3
3
3
3
3
3
72
72
72
72
72
72

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
9
10
10
8
5

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
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Moderate Rain

Precipitation Probability (%)

1
1
2
2
2
3
4
3
2
0
0
0
0
2
3
8
19
42
59
59
48
34
43
70

Precipitation Amount (mm)

0.01
0.01
0.01
0.02
0.02
0.07
0.11
0.07
0.02
0
0
0
0
0.05
0.25
0.52
0.96
2.2
3.33
2.87
1.7
0.89
1.21
4.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
9
8
8
8
10
11
12
14
15
16
18
19
20
19
19
18
17
16
16
15
15
15
15

Feels Like (°C)

10
9
8
8
8
9
11
12
14
15
16
18
19
20
19
19
18
17
16
16
15
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

64
66
69
71
73
73
72
70
66
64
64
61
59
60
64
69
76
81
86
89
90
90
91
91

Pressure (mb)

1024
1024
1024
1024
1023
1023
1022
1022
1021
1021
1020
1019
1018
1017
1016
1015
1014
1014
1013
1012
1011
1011
1010
1008

Ozone (du)

312
313
315
316
318
320
322
323
324
325
325
324
324
325
325
327
331
336
341
348
355
361
368
375

Friday 24

Waning Gibbous 71%

01:16

10:18

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 OK
21 OK
22 OK
23 OK
00 Bad
01 Bad

Sun - Rise: 05:18, Set: 20:17, Transit: 12:47. Moon - Rise: 01:16, Set: 10:18. Civil Dark: 20:51 - 04:44. Nautical Dark: 21:34 - 04:01. Astro Dark: 22:25 - 03:10

Total Clouds (% Sky Obscured)

98
98
98
98
98
98
58
58
58
58
58
58
96
96
96
96
96
96
46
46
46
46
46
46

Low Clouds (% Sky Obscured)

97
97
97
97
97
97
58
58
58
58
58
58
96
96
96
96
96
96
45
45
45
45
45
45

Medium Clouds (% Sky Obscured)

32
32
32
32
32
32
3
3
3
3
3
3
0
0
0
0
0
0
9
9
9
9
9
9

High Clouds (% Sky Obscured)

21
21
21
21
21
21
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
4
6
8
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

Moderate Rain
Moderate 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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

79
78
56
17
10
7
6
8
7
6
3
2
2
1
2
3
3
2
1
0
0
0
0
0

Precipitation Amount (mm)

6.53
4.23
1.07
0.08
0.01
0.01
0.01
0.02
0.03
0.04
0.03
0.01
0.01
0.01
0.03
0.05
0.04
0.03
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
13
12
12
13
13
13
14
15
16
18
19
19
17
16
16
16
15
14
12
11
10
10

Feels Like (°C)

14
14
13
12
12
13
13
13
14
15
16
18
19
19
17
16
16
16
15
14
12
11
10
10

Dew Point (°C)

13
12
12
11
11
11
11
10
11
11
11
11
11
11
11
11
11
11
10
10
9
9
8
8

Relative Humidity (%)

91
92
92
92
91
89
87
83
80
78
70
62
58
61
67
73
74
72
73
77
83
87
88
88

Pressure (mb)

1008
1007
1007
1008
1008
1009
1009
1011
1012
1012
1013
1014
1014
1015
1016
1016
1017
1018
1018
1019
1020
1020
1020
1020

Ozone (du)

377
371
361
354
355
359
360
356
349
344
341
339
338
337
336
335
332
328
324
320
316
313
312
311

Saturday 25

Waning Gibbous 62%

01:47

11:17

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:17, Set: 20:18, Transit: 12:48. Moon - Rise: 01:47, Set: 11:17. Civil Dark: 20:52 - 04:43. Nautical Dark: 21:35 - 04:00. Astro Dark: 22:27 - 03:09

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

99
99
99
99
99
99
92
92
92
92
92
92
95
95
95
95
95
95
18
18
18
18
18
18

Medium Clouds (% Sky Obscured)

66
66
66
66
66
66
65
65
65
65
65
65
18
18
18
18
18
18
93
93
93
93
93
93

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
8
8

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
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 (%)

0
0
0
0
0
0
0
4
7
14
13
8
7
9
13
18
27
38
44
42
27
19
17
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.07
0.28
0.46
0.37
0.18
0.1
0.08
0.08
0.1
0.16
0.26
0.35
0.35
0.31
0.25
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
89
91
89
86
81
73
65
62
62
65
70
75
81
85
86
84
83
84
87
90
93
95

Pressure (mb)

1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1016
1015
1014
1013
1012
1012
1011
1011
1011
1011
1011
1011
1010

Ozone (du)

311
310
308
308
308
308
309
310
311
311
310
308
307
307
308
309
309
309
309
310
313
314
314
313

Sunday 26

Third Quarter 52%

No Rise

12:17

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

Sun - Rise: 05:17, Set: 20:19, Transit: 12:48. Moon - Rise: No Rise, Set: 12:17. Civil Dark: 20:53 - 04:43. Nautical Dark: 21:36 - 03:59. Astro Dark: 22:28 - 03:07

Total Clouds (% Sky Obscured)

74
74
74
74
74
74
40
40
40
40
40
40
59
59
59
59
59
59
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

73
73
73
73
73
73
40
40
40
40
40
40
47
47
47
47
47
47
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
1
1
1
1
1
0
0
0
0
0
0
58
58
58
58
58
58
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
6
6
6
6
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
8
8
9
8
8
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

13
8
5
4
3
0
0
0
0
1
1
1
1
1
1
1
1
1
1
0
1
0
0
0

Precipitation Amount (mm)

0.21
0.14
0.07
0.03
0.01
0
0
0
0
0.01
0.01
0.02
0.03
0.05
0.07
0.07
0.06
0.05
0.03
0
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
15
16
16
17
18
19
19
20
21
22
23
23
23
22
21
19
18
16
15
14
13

Feels Like (°C)

15
15
16
16
16
16
17
18
19
19
20
21
22
23
23
23
22
21
19
18
16
15
14
13

Dew Point (°C)

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

Relative Humidity (%)

96
97
96
97
96
94
90
82
73
67
63
60
55
51
47
46
48
53
58
61
66
70
72
73

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1010
1010
1011
1012
1012
1012
1012

Ozone (du)

313
313
313
313
314
315
317
321
326
329
328
324
322
322
323
324
324
325
326
326
326
325
325
324

Monday 27

Waning Crescent 43%

02:15

13:16

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

Sun - Rise: 05:16, Set: 20:20, Transit: 12:48. Moon - Rise: 02:15, Set: 13:16. Civil Dark: 20:54 - 04:42. Nautical Dark: 21:38 - 03:58. Astro Dark: 22:30 - 03:06

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
11
11
11
11
11
11
100
100
100
100
100
100
21
21
21
21
21
21

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
11
11
11
11
11
11
100
100
100
100
100
100
6
6
6
6
6
6

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
10
10
10
10
10
10
20
20
20
20
20
20

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

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.01
0.01
0
0
0.02
0.09
0.15
0.1
0.03
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
11
11
12
13
15
17
18
20
21
23
24
22
20
18
17
16
15
15
14
13
12
12

Feels Like (°C)

13
12
11
11
12
13
15
17
18
20
21
23
24
22
20
18
17
16
15
15
14
13
12
12

Dew Point (°C)

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

Relative Humidity (%)

74
78
82
85
84
80
74
67
60
54
48
43
41
42
45
48
51
55
57
57
55
54
55
56

Pressure (mb)

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

Ozone (du)

324
327
332
336
339
341
343
343
343
342
339
335
331
330
329
328
325
322
319
317
315
314
315
317

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

Generated: 21/05/19 02:00:03. Forecast: 21/05/19 to 27/05/19. Timezone: UTC-4.00