Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 16

Waxing Crescent 31%

09:45

00:46

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 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 Bad
21 Bad
22 Bad

Sun - Rise: 05:23, Set: 20:11, Transit: 12:47. Moon - Rise: 09:45, Set: 00:46. Civil Dark: 20:44 - 04:50. Nautical Dark: 21:26 - 04:09. Astro Dark: 22:14 - 03:20

Total Clouds (% Sky Obscured)

1
12
6
0
1
1
0
0
0
0
0
11
24
20
34
22
15
24
19
40
30
99
85
73

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

1
0
0
0
1
1
0
0
0
0
0
11
23
20
34
22
9
23
13
34
27
16
10
13

High Clouds (% Sky Obscured)

0
12
6
0
0
0
0
0
0
0
0
0
0
0
0
0
9
2
10
13
4
99
84
70

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

Precipitation Probability (%)

2
0
0
2
2
0
2
0
0
0
0
3
4
5
6
9
11
12
8
6
6
6
4
3

Precipitation Amount (mm)

0.01
0
0
0.01
0.01
0
0.01
0
0
0
0
0.02
0.07
0.1
0.13
0.15
0.15
0.15
0.11
0.08
0.06
0.04
0.03
0.03

Wind Speed/Direction (mph)

3
4
3
3
4
4
4
4
3
3
3
3
2
2
2
3
4
4
4
4
4
3
4
4

Chance of Frost

Temperature (°C)

11
10
10
10
9
9
8
9
11
14
16
18
19
20
20
21
20
20
19
19
18
16
14
13

Feels Like (°C)

11
10
10
9
8
8
8
8
11
14
16
18
19
20
20
21
20
20
19
19
18
16
14
13

Dew Point (°C)

6
6
6
6
5
5
5
6
8
9
9
8
8
9
8
8
8
8
8
9
10
10
10
9

Relative Humidity (%)

75
75
74
75
77
79
81
82
79
71
64
54
50
48
46
43
45
46
48
52
62
70
74
77

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1025
1025
1026
1026
1025
1025
1024
1024
1023
1023
1023
1023
1023
1024
1024
1025
1025

Ozone (du)

384
384
385
387
387
385
384
387
388
387
386
384
381
381
384
382
382
382
383
379
379
379
379
377

Monday 17

Waxing Crescent 41%

10:50

01:26

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

Sun - Rise: 05:23, Set: 20:12, Transit: 12:47. Moon - Rise: 10:50, Set: 01:26. Civil Dark: 20:45 - 04:49. Nautical Dark: 21:27 - 04:07. Astro Dark: 22:16 - 03:18

Total Clouds (% Sky Obscured)

1
26
98
100
96
93
74
56
23
1
16
59
63
39
71
90
76
43
70
20
12
2
99
82

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
10
20
4
0
0
0
1
1
1
0
0

Medium Clouds (% Sky Obscured)

0
0
4
93
27
85
74
56
6
1
0
0
14
30
38
29
76
31
20
19
6
2
2
1

High Clouds (% Sky Obscured)

0
26
98
100
95
84
0
0
17
0
16
59
57
14
55
88
1
19
63
0
6
0
99
82

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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
11
11
11
10
11
11
12
14
16
17
19
19
21
22
22
22
21
21
19
18
17
15

Feels Like (°C)

12
12
11
11
11
10
11
11
12
14
16
17
19
19
21
22
22
22
21
21
19
18
17
15

Dew Point (°C)

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

Relative Humidity (%)

78
79
81
83
85
86
88
89
89
83
74
67
60
58
53
49
47
49
53
56
62
67
71
74

Pressure (mb)

1025
1025
1025
1025
1025
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1022
1022
1022
1023
1023
1024

Ozone (du)

379
382
383
385
385
387
390
393
391
384
380
375
373
372
372
374
374
372
372
370
369
364
363
363

Tuesday 18

Waxing Crescent 52%

11:59

02:00

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

Sun - Rise: 05:22, Set: 20:13, Transit: 12:47. Moon - Rise: 11:59, Set: 02:00. Civil Dark: 20:46 - 04:48. Nautical Dark: 21:28 - 04:06. Astro Dark: 22:17 - 03:17

Total Clouds (% Sky Obscured)

3
52
46
31
34
21
0
11
6
2
0
42
0
70
0
1
1
1
1
1
1
3
3
3

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
1
1
1
1
1
1
3
3
3

High Clouds (% Sky Obscured)

3
52
46
31
34
21
0
11
6
2
0
42
0
70
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
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
2
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
13
13
12
11
11
12
14
17
19
20
21
22
23
24
25
25
25
24
23
21
19
18

Feels Like (°C)

14
14
13
13
12
11
11
12
14
17
19
20
21
22
23
24
25
25
25
24
23
21
19
18

Dew Point (°C)

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

Relative Humidity (%)

77
80
81
83
85
87
87
86
82
72
63
55
51
49
47
46
44
44
46
50
57
66
72
75

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1025
1025
1026
1026
1026
1026
1025
1025
1025
1024
1024
1024
1024
1024
1024
1025
1026

Ozone (du)

363
361
360
361
360
359
358
358
358
357
357
356
355
355
355
354
354
354
354
353
352
351
349
347

Wednesday 19

First Quarter 63%

13:09

02:30

23 Good
00 Good
01 Good
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

Sun - Rise: 05:21, Set: 20:14, Transit: 12:47. Moon - Rise: 13:09, Set: 02:30. Civil Dark: 20:47 - 04:47. Nautical Dark: 21:30 - 04:05. Astro Dark: 22:19 - 03:15

Total Clouds (% Sky Obscured)

3
3
3
85
85
85
85
85
85
99
99
99
99
99
99
100
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
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
3
3
2
2
2
2
2
2
0
0
0
0
0
0
6
6
6
6
6
6
100
100
100

High Clouds (% Sky Obscured)

0
0
0
84
84
84
84
84
84
99
99
99
99
99
99
100
100
100
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
2
0
0
0
0
0
0
0
0
0
0
2
1
1
0
0
2
2
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
4
4
4
3
3
2
2
2
3
3
3
3
3
3
4
4
4
3
3
2
2
2

Chance of Frost

Temperature (°C)

17
16
16
15
15
14
14
14
17
19
21
23
24
25
26
27
27
25
25
24
23
21
19
18

Feels Like (°C)

17
16
16
15
15
14
14
14
17
19
21
23
24
25
26
27
27
25
25
24
23
21
19
18

Dew Point (°C)

13
12
12
12
12
12
12
13
15
16
16
16
15
14
14
12
13
14
14
16
16
15
15
14

Relative Humidity (%)

77
77
78
79
84
86
88
89
88
82
74
63
55
50
46
40
44
48
50
59
65
72
76
79

Pressure (mb)

1026
1026
1026
1027
1026
1026
1026
1027
1027
1028
1028
1028
1028
1027
1027
1026
1026
1026
1025
1026
1026
1026
1027
1027

Ozone (du)

346
345
345
345
347
347
346
345
345
346
346
345
344
343
342
343
342
343
342
342
342
336
334
333

Thursday 20

Waxing Gibbous 74%

14:21

02:56

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
21 Bad
22 Bad

Sun - Rise: 05:20, Set: 20:15, Transit: 12:47. Moon - Rise: 14:21, Set: 02:56. Civil Dark: 20:48 - 04:46. Nautical Dark: 21:31 - 04:04. Astro Dark: 22:21 - 03:14

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
2
2
2
2
2
2
1
1
1
1
1
1
51
51
51
51
51
51
34
34
34

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
92
92
92
92
92
92
97
97
97

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
9
7
6
7
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
Very Light Rain
Very Light Rain
Very 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

Precipitation Probability (%)

0
2
3
2
3
0
3
0
3
8
12
17
20
23
19
9
9
8
8
9
12
16
15
13

Precipitation Amount (mm)

0
0.01
0.01
0.01
0.02
0
0.01
0
0.01
0.04
0.1
0.31
0.43
0.52
0.43
0.31
0.27
0.24
0.22
0.2
0.2
0.18
0.13
0.08

Wind Speed/Direction (mph)

2
2
2
2
2
2
2
2
2
1
2
2
2
2
3
3
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

17
16
16
15
14
14
13
14
15
17
18
20
21
21
22
26
26
26
25
24
24
22
22
21

Feels Like (°C)

17
16
16
15
14
14
13
14
16
17
19
20
21
21
22
26
26
26
25
24
24
23
22
21

Dew Point (°C)

14
14
14
13
13
12
13
14
15
16
16
17
17
17
17
15
14
14
14
15
16
17
17
17

Relative Humidity (%)

81
84
86
89
91
93
96
99
99
95
88
82
79
77
73
50
47
47
49
56
64
71
75
78

Pressure (mb)

1028
1028
1027
1028
1028
1028
1028
1028
1028
1029
1028
1028
1027
1027
1027
1026
1025
1025
1024
1024
1024
1023
1023
1023

Ozone (du)

332
331
330
332
332
333
333
335
334
335
335
334
333
332
332
332
332
332
332
334
337
339
339
339

Friday 21

Waxing Gibbous 84%

15:36

03:21

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
21 Bad
22 Bad

Sun - Rise: 05:19, Set: 20:16, Transit: 12:47. Moon - Rise: 15:36, Set: 03:21. Civil Dark: 20:49 - 04:45. Nautical Dark: 21:32 - 04:03. Astro Dark: 22:23 - 03:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
93
93
93
93
93
93
95
95
95

Low Clouds (% Sky Obscured)

34
34
34
7
7
7
7
7
7
98
98
98
98
98
98
41
41
41
41
41
41
6
6
6

Medium Clouds (% Sky Obscured)

97
97
97
99
99
99
99
99
99
39
39
39
39
39
39
77
77
77
77
77
77
27
27
27

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
20
20
20
20
20
20
66
66
66
66
66
66
93
93
93

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

11
9
7
6
6
6
8
8
9
10
8
7
7
7
8
8
11
14
19
25
25
29
22
14

Precipitation Amount (mm)

0.06
0.05
0.06
0.07
0.07
0.08
0.08
0.08
0.09
0.1
0.13
0.18
0.22
0.21
0.19
0.19
0.24
0.35
0.42
0.4
0.39
0.36
0.22
0.08

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
19
19
19
19
19
20
20
21
22
23
24
25
26
27
28
28
27
25
23
22
21
20

Feels Like (°C)

20
20
20
20
19
19
19
20
21
22
23
24
25
25
28
29
29
29
28
26
24
23
22
21

Dew Point (°C)

17
16
16
16
16
17
17
18
20
20
21
21
20
20
20
20
20
20
20
20
21
21
21
20

Relative Humidity (%)

81
82
83
83
84
86
89
93
95
94
90
84
79
76
70
66
62
62
65
75
87
98
100
100

Pressure (mb)

1023
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1019
1019
1018
1017
1017
1016
1016
1015
1016
1016
1017
1017
1017

Ozone (du)

339
340
342
343
344
344
343
342
341
340
340
339
339
339
339
340
340
340
340
340
340
339
338
337

Saturday 22

Waxing Gibbous 92%

16:53

03:46

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 OK
21 OK
22 OK

Sun - Rise: 05:18, Set: 20:17, Transit: 12:47. Moon - Rise: 16:53, Set: 03:46. Civil Dark: 20:50 - 04:45. Nautical Dark: 21:33 - 04:01. Astro Dark: 22:24 - 03:11

Total Clouds (% Sky Obscured)

95
95
95
100
100
100
100
100
100
100
100
100
100
100
100
54
54
54
54
54
54
15
15
15

Low Clouds (% Sky Obscured)

6
6
6
100
100
100
100
100
100
100
100
100
100
100
100
27
27
27
27
27
27
11
11
11

Medium Clouds (% Sky Obscured)

27
27
27
30
30
30
30
30
30
8
8
8
8
8
8
48
48
48
48
48
48
13
13
13

High Clouds (% Sky Obscured)

93
93
93
0
0
0
0
0
0
94
94
94
94
94
94
3
3
3
3
3
3
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
9
7
8
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
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.02
0.02
0.02
0.03
0.03
0.03
0.03
0.02
0.01
0.01
0.01
0.03
0.05
0.06
0.06
0.06
0.07
0.07
0.06
0.05
0.03
0.02
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
19
19
19
18
18
18
18
19
20
21
21
22
23
24
25
26
26
25
24
23
22
21

Feels Like (°C)

20
20
20
20
19
19
19
19
19
20
21
22
22
23
24
24
25
26
26
26
25
24
23
22

Dew Point (°C)

19
19
19
19
19
18
18
18
18
19
20
21
21
22
22
22
22
22
21
21
21
21
21
21

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
90
83
78
76
79
84
88
94
100

Pressure (mb)

1018
1018
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

334
330
326
322
320
319
317
316
314
313
311
309
307
306
304
303
302
301
300
298
296
296
299
303

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

Generated: 16/05/21 23:00:04. Forecast: 16/05/21 to 22/05/21. Timezone: UTC-4.00