Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 12

Waning Crescent 28%

04:20

14:04

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:09, Set: 19:30, Transit: 12:50. Moon - Rise: 04:20, Set: 14:04. Civil Dark: 19:59 - 05:40. Nautical Dark: 20:35 - 05:04. Astro Dark: 21:12 - 04:26

Total Clouds (% Sky Obscured)

99
100
84
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
16
17
1
20
37
37
35
45
61
55
40
44
52
57
57
56
53
52
53
47

Medium Clouds (% Sky Obscured)

34
22
39
86
83
78
82
99
98
100
100
97
100
100
100
100
99
95
99
84
100
99
77
100

High Clouds (% Sky Obscured)

73
69
49
76
73
100
100
100
100
100
100
100
97
100
100
100
96
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
9
9
9
9
9

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

Precipitation Probability (%)

0
0
0
0
0
0
1
7
30
47
63
52
47
63
66
82
86
32
35
37
8
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0
0
0.3
0.2
0.4
0.7
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
46
39
35
34
33
33
35
46
53
62
66
67
66
76
80
86
91
93
93
93
94
93
90

Pressure (mb)

1033
1033
1032
1031
1030
1029
1028
1027
1027
1027
1027
1026
1027
1026
1026
1025
1024
1023
1022
1021
1020
1019
1019
1018

Ozone (du)

334
333
333
335
329
326
324
324
325
324
323
322
319
317
314
315
315
312
312
315
315
313
316
317

Monday 13

Waning Crescent 19%

04:41

15:15

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 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:08, Set: 19:31, Transit: 12:50. Moon - Rise: 04:41, Set: 15:15. Civil Dark: 20:01 - 05:38. Nautical Dark: 20:36 - 05:02. Astro Dark: 21:14 - 04:24

Total Clouds (% Sky Obscured)

100
100
94
85
100
100
100
100
100
98
93
89
79
91
90
33
65
73
75
69
82
93
83
74

Low Clouds (% Sky Obscured)

37
30
58
56
55
88
97
100
100
98
93
89
79
90
88
18
56
73
20
14
16
14
13
32

Medium Clouds (% Sky Obscured)

97
85
74
70
100
85
79
44
28
16
18
20
13
11
17
1
0
12
0
0
1
43
14
2

High Clouds (% Sky Obscured)

100
100
84
69
100
95
100
87
50
40
0
0
0
2
2
3
22
2
38
25
55
76
54
26

ISS Passover

Visibility (miles)

9
9
9
9
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
17
8
55
70
64
57
20
3
10
8
6
5
12
9
12
2
2
2
2
3
1
1
0

Precipitation Amount (mm)

0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
8
11
13
12
13
12
11
10
10
8
6
7
7
8
7
6
6
4
3
2
2
3

Chance of Frost

Temperature (°C)

9
11
12
15
17
20
18
17
17
17
17
17
17
16
16
16
15
15
14
14
13
12
12
14

Feels Like (°C)

7
9
11
12
13
18
16
15
15
15
16
16
16
15
15
14
16
15
13
13
13
12
11
13

Dew Point (°C)

7
7
8
9
14
19
16
15
15
15
16
15
15
14
14
14
14
13
11
12
12
12
11
12

Relative Humidity (%)

84
77
75
70
82
89
88
86
88
89
89
89
90
87
87
87
90
89
84
90
92
95
93
87

Pressure (mb)

1017
1016
1015
1013
1012
1011
1011
1011
1011
1011
1012
1012
1013
1013
1013
1013
1014
1014
1014
1014
1014
1015
1016
1016

Ozone (du)

319
319
322
321
319
320
328
331
333
334
331
327
323
319
317
317
318
317
314
311
312
314
317
318

Tuesday 14

Waning Crescent 11%

05:02

16:26

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
02 Bad
03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:06, Set: 19:32, Transit: 12:50. Moon - Rise: 05:02, Set: 16:26. Civil Dark: 20:02 - 05:36. Nautical Dark: 20:38 - 05:00. Astro Dark: 21:16 - 04:22

Total Clouds (% Sky Obscured)

84
94
60
84
80
62
79
86
79
100
93
100
100
100
100
100
100
100
38
76
91
99
100
100

Low Clouds (% Sky Obscured)

64
34
36
53
9
6
5
8
8
2
14
15
11
22
16
15
28
18
20
16
15
10
12
16

Medium Clouds (% Sky Obscured)

58
57
31
73
74
39
53
70
63
96
74
67
65
70
75
86
25
27
2
3
20
74
76
97

High Clouds (% Sky Obscured)

11
33
2
4
6
29
27
25
45
100
90
100
100
100
100
100
100
100
37
76
91
99
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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

Precipitation Probability (%)

0
1
23
1
0
0
0
5
26
43
81
58
29
13
16
9
2
2
2
0
1
2
1
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
19
22
23
25
26
27
27
26
26
24
21
20
19
19
18
18
17
17
16
15
15
15
16

Feels Like (°C)

17
19
21
22
24
24
25
25
24
24
23
20
19
19
19
18
18
17
17
18
16
14
16
16

Dew Point (°C)

14
14
15
16
15
14
15
17
19
19
19
17
17
16
16
17
16
16
16
15
15
14
15
14

Relative Humidity (%)

79
72
65
61
52
47
46
55
64
65
72
77
81
84
86
90
92
93
96
96
98
96
96
89

Pressure (mb)

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

Ozone (du)

319
321
321
319
316
312
311
311
310
311
311
310
310
312
312
312
312
310
308
305
303
304
302
303

Wednesday 15

Waning Crescent 5%

05:23

17:40

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:04, Set: 19:33, Transit: 12:50. Moon - Rise: 05:23, Set: 17:40. Civil Dark: 20:03 - 05:35. Nautical Dark: 20:39 - 04:59. Astro Dark: 21:17 - 04:20

Total Clouds (% Sky Obscured)

100
100
100
100
100
96
84
70
84
77
69
79
89
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

17
21
41
60
64
95
45
18
51
77
69
79
78
74
76
38
79
67
18
25
45
65
76
68

Medium Clouds (% Sky Obscured)

96
92
64
93
87
91
39
39
71
69
65
63
65
59
67
80
100
96
97
100
98
100
100
96

High Clouds (% Sky Obscured)

100
100
100
100
100
70
37
6
15
21
26
50
74
98
99
99
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
8
9
8
9
9
9
9
3
9
9
9
9
9
9
9
9
9
9
9

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

Precipitation Probability (%)

31
43
52
58
54
53
65
39
61
35
40
95
89
48
24
19
18
40
53
66
80
92
95
95

Precipitation Amount (mm)

0
0
0.2
0.3
0.3
0.2
0.4
0
0.3
0
0
2.2
0.3
0
0
0
0
0
0
0.3
0.4
0.6
0.8
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
19
22
22
22
22
22
23
24
22
21
19
18
17
16
16
16
16
16
15
15
15
15
16

Feels Like (°C)

18
20
21
20
21
21
23
22
24
21
21
21
20
18
17
16
17
16
16
16
16
16
16
17

Dew Point (°C)

15
16
14
13
15
15
19
17
18
18
18
18
18
17
16
15
15
15
15
15
15
15
15
15

Relative Humidity (%)

81
78
62
56
62
63
80
67
67
79
86
89
96
100
98
96
96
96
98
96
96
98
96
93

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

305
305
305
304
304
304
306
305
305
304
305
304
303
304
304
305
306
307
307
306
307
308
307
306

Thursday 16

Waning Crescent 1%

05:47

18:57

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:03, Set: 19:35, Transit: 12:49. Moon - Rise: 05:47, Set: 18:57. Civil Dark: 20:04 - 05:33. Nautical Dark: 20:40 - 04:57. Astro Dark: 21:19 - 04:18

Total Clouds (% Sky Obscured)

100
100
100
97
100
100
100
100
100
99
100
100
100
100
97
95
91
94
96
99
99
100
100
93

Low Clouds (% Sky Obscured)

73
72
71
77
67
58
50
39
38
27
46
42
39
36
35
34
36
39
41
41
42
43
42
39

Medium Clouds (% Sky Obscured)

93
89
81
52
49
38
31
29
38
60
75
83
91
99
84
72
67
56
31
14
5
4
5
3

High Clouds (% Sky Obscured)

100
100
100
91
100
100
100
100
100
98
100
96
93
89
86
82
80
86
92
98
99
100
100
76

ISS Passover

Visibility (miles)

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

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
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
92
85
60
56
45
30
51
65
95
95
95
70
49
46
23
28
20
2
8
8
2
6

Precipitation Amount (mm)

1
0.5
0.5
0.5
0
0
0
0
0
0
0.6
1.4
0.7
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
19
20
22
24
25
25
26
25
24
23
21
20
19
18
18
18
18
18
17
17
17
17
18

Feels Like (°C)

18
19
21
22
23
23
23
24
23
22
21
19
19
19
18
18
18
18
17
17
16
15
15
15

Dew Point (°C)

16
16
15
15
14
13
14
15
15
17
17
18
17
17
16
16
16
16
15
15
14
14
14
14

Relative Humidity (%)

90
82
74
61
55
48
49
49
54
63
68
80
82
85
88
86
86
86
85
86
85
82
81
77

Pressure (mb)

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

Ozone (du)

305
306
305
307
306
308
307
305
308
305
307
309
310
312
314
317
320
322
323
324
325
327
330
332

Friday 17

New Moon 0%

06:16

20:18

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

Sun - Rise: 06:01, Set: 19:36, Transit: 12:49. Moon - Rise: 06:16, Set: 20:18. Civil Dark: 20:06 - 05:31. Nautical Dark: 20:42 - 04:55. Astro Dark: 21:21 - 04:16

Total Clouds (% Sky Obscured)

87
80
85
88
93
89
84
80
71
61
53
36
21
7
26
46
70
59
48
37
45
52
57
56

Low Clouds (% Sky Obscured)

36
33
39
46
50
44
38
32
42
52
53
36
21
0
8
16
23
38
48
37
45
51
42
43

Medium Clouds (% Sky Obscured)

2
0
0
0
3
3
3
3
3
3
5
10
4
1
1
1
2
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

52
4
3
41
30
20
9
0
0
0
0
0
0
0
1
5
18
18
30
24
23
27
28
13

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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 (%)

11
15
19
21
16
18
17
5
11
9
1
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
20
20
21
21
21
21
21
21
19
17
15
15
14
13
12
11
10
10
10
9
11
12
13

Feels Like (°C)

16
17
17
17
18
19
19
19
19
20
20
21
14
15
15
15
14
13
10
10
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

70
61
55
53
53
52
51
50
50
58
70
82
86
89
93
93
93
95
95
95
95
90
87
84

Pressure (mb)

1011
1011
1012
1012
1012
1012
1012
1013
1013
1014
1014
1015
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

333
333
334
330
326
322
322
321
321
321
322
322
322
323
323
322
321
320
318
315
313
311
310
309

Saturday 18

Waxing Crescent 2%

06:53

21:41

09 Bad
10 Bad
11 Bad
12 OK
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: 06:00, Set: 19:37, Transit: 12:49. Moon - Rise: 06:53, Set: 21:41. Civil Dark: 20:07 - 05:30. Nautical Dark: 20:43 - 04:53. Astro Dark: 21:22 - 04:14

Total Clouds (% Sky Obscured)

56
56
50
45
35
47
55
63
68
72
77
76
79
86
95
100
100

Low Clouds (% Sky Obscured)

50
54
47
36
22
14
9
4
6
5
6
5
3
3
10
20
30

Medium Clouds (% Sky Obscured)

0
0
5
10
14
11
9
2
2
2
3
14
27
38
59
82
96

High Clouds (% Sky Obscured)

7
3
3
4
4
4
9
14
29
34
24
8
2
0
33
68
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

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

Precipitation Probability (%)

0
0
3
1
0
0
0
0
0
0
0
0
1
2
9
17
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
17
20
21
22
24
24
24
24
22
20
18
17
16
15
15
14

Feels Like (°C)

15
15
16
16
17
17
24
24
23
22
21
21
15
15
16
15
15

Dew Point (°C)

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

Relative Humidity (%)

75
68
61
51
44
37
41
43
47
52
60
68
73
77
82
82
84

Pressure (mb)

1017
1017
1016
1016
1015
1014
1013
1012
1011
1011
1012
1012
1012
1012
1012
1011
1011

Ozone (du)

310
311
312
312
312
312
311
311
310
310
310
309
308
307
306
305
304

Forecast for Chester, Windsor, United States of America (43.26,-72.60)

Generated: 12/04/26 09:53:49. Forecast: 12/04/26 to 18/04/26. Timezone: UTC-4.00