Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 11

Waning Crescent 28%

03:48

12:51

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

Sun - Rise: 06:06, Set: 19:22, Transit: 12:45. Moon - Rise: 03:48, Set: 12:51. Civil Dark: 19:51 - 05:37. Nautical Dark: 20:25 - 05:02. Astro Dark: 21:02 - 04:26

Total Clouds (% Sky Obscured)

27
25
25
19
2
5
2
0
0
0
0
0
0
0
0
0
0
0
0
2
5
22
45
45

Low Clouds (% Sky Obscured)

2
2
19
1
2
5
1
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
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
13
30
30

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
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)

15
14
15
14
13
13
13
12
11
10
11
11
11
10
10
9
8
8
8
7
5
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
42
37
33
31
29
29
31
34
37
40
43
45
47
49
51
53
55
56
57
56
51
45
40

Pressure (mb)

1021
1021
1021
1021
1021
1021
1022
1022
1024
1025
1026
1027
1028
1029
1029
1029
1030
1030
1031
1031
1032
1033
1033
1033

Ozone (du)

370
368
363
367
368
367
364
360
360
364
366
369
366
368
367
366
361
350
345
344
342
341
341
340

Sunday 12

Waning Crescent 19%

04:12

14:00

11 OK
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
09 Bad
10 Bad

Sun - Rise: 06:05, Set: 19:23, Transit: 12:45. Moon - Rise: 04:12, Set: 14:00. Civil Dark: 19:52 - 05:36. Nautical Dark: 20:27 - 05:01. Astro Dark: 21:03 - 04:24

Total Clouds (% Sky Obscured)

47
63
76
98
100
100
100
100
100
100
100
100
100
100
100
100
98
99
100
98
100
100
99
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
8
15
10
10
10
15
20
24
40
59
71
66
47
50
51
52
53
51

Medium Clouds (% Sky Obscured)

21
4
44
67
83
100
100
100
100
100
100
100
96
99
100
96
94
97
96
92
94
88
76
66

High Clouds (% Sky Obscured)

27
53
67
88
88
100
100
100
100
100
100
100
100
95
100
100
49
86
100
64
95
100
80
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
3
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
14
26
29
33
61
75
79
95
81
77
36
20
1
0
5
2
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.4
0.7
0.4
0.5
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
1
3
4
4
7
11
12
11
10
10
10
10
11
12
14
14
15
15
17
17
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

36
34
31
31
30
31
33
45
47
47
50
53
56
70
76
87
88
88
85
79
74
76
76
72

Pressure (mb)

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

Ozone (du)

340
338
339
338
336
335
331
332
332
331
331
328
326
325
320
316
317
321
324
327
328
328
326
325

Monday 13

Waning Crescent 11%

04:34

15:10

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

Sun - Rise: 06:03, Set: 19:24, Transit: 12:44. Moon - Rise: 04:34, Set: 15:10. Civil Dark: 19:53 - 05:34. Nautical Dark: 20:28 - 04:59. Astro Dark: 21:05 - 04:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
93
91
72
39
38
13
2
2
0
48
40
63
50
70
85
100

Low Clouds (% Sky Obscured)

46
39
49
26
5
30
48
70
65
71
35
9
13
11
0
0
0
0
0
0
0
1
2
3

Medium Clouds (% Sky Obscured)

91
99
99
99
100
96
95
74
93
91
10
2
2
0
0
0
0
0
0
0
0
0
4
2

High Clouds (% Sky Obscured)

92
92
100
93
100
100
95
100
14
4
0
0
0
0
0
0
0
5
12
30
15
47
77
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
3
3
8
7
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
8
8
6
4
41
65
49
30
15
6
2
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
13
14
14
14
14
15
14
14
13
13
14
14
15
14
14
15
12
12
12
14
16
18

Dew Point (°C)

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

Relative Humidity (%)

68
65
60
62
59
58
72
92
93
93
90
85
89
89
92
93
93
95
95
96
95
92
85
80

Pressure (mb)

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

Ozone (du)

325
324
323
324
322
323
325
330
337
333
328
324
319
316
315
313
311
310
307
306
306
306
307
309

Tuesday 14

Waning Crescent 10%

04:56

16:21

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 Good
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:01, Set: 19:25, Transit: 12:44. Moon - Rise: 04:56, Set: 16:21. Civil Dark: 19:54 - 05:32. Nautical Dark: 20:29 - 04:57. Astro Dark: 21:06 - 04:20

Total Clouds (% Sky Obscured)

97
95
92
90
89
82
65
54
63
74
87
100
71
48
4
27
49
72
68
95
92
100
83
85

Low Clouds (% Sky Obscured)

14
26
38
52
43
36
12
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

7
11
25
16
16
23
21
14
13
72
86
92
71
48
4
7
4
0
0
1
49
50
17
31

High Clouds (% Sky Obscured)

74
48
17
8
3
0
17
34
51
68
84
100
67
35
2
27
49
72
68
95
92
98
83
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
9
57
58
18
4
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
22
23
24
24
24
24
22
20
18
17
16
16
16
16
16
15
15
15
15
16
17
19
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
65
59
52
49
57
59
60
67
78
79
79
79
80
85
87
92
95
96
95
92
85
76
64

Pressure (mb)

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

Ozone (du)

310
308
307
303
304
302
301
300
300
300
300
302
304
307
305
304
303
303
303
302
303
304
305
305

Wednesday 15

Waning Crescent 5%

05:18

17:34

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
09 Bad
10 Bad

Sun - Rise: 06:00, Set: 19:26, Transit: 12:44. Moon - Rise: 05:18, Set: 17:34. Civil Dark: 19:55 - 05:31. Nautical Dark: 20:31 - 04:55. Astro Dark: 21:08 - 04:18

Total Clouds (% Sky Obscured)

84
96
91
87
99
100
100
100
100
100
100
100
98
97
96
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

19
41
62
56
45
38
34
33
30
20
15
5
5
5
20
4
3
2
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

41
48
62
55
51
31
17
17
42
58
71
85
82
81
73
92
86
78
78
73
66
47
24
6

High Clouds (% Sky Obscured)

84
96
91
87
99
100
100
100
100
100
100
100
85
71
56
60
90
96
97
98
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

Precipitation Probability (%)

33
55
70
66
58
46
45
57
46
87
51
72
87
41
6
15
14
5
35
46
52
39
31
21

Precipitation Amount (mm)

0
0.3
0.4
0.3
0.2
0
0
0
0
0.7
0
0.2
0.6
0
0
0
0
0
0
0
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
44
39
36
36
36
38
44
61
71
86
93
95
96
95
95
96
96
98
96
96
95
93
93

Pressure (mb)

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

Ozone (du)

302
304
304
305
306
307
307
307
306
306
306
304
304
303
302
303
304
305
306
307
308
309
309
308

Thursday 16

Waning Crescent 1%

05:43

18:50

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
09 OK
10 Good

Sun - Rise: 05:58, Set: 19:27, Transit: 12:44. Moon - Rise: 05:43, Set: 18:50. Civil Dark: 19:57 - 05:29. Nautical Dark: 20:32 - 04:53. Astro Dark: 21:10 - 04:16

Total Clouds (% Sky Obscured)

100
100
99
99
99
100
100
100
100
97
95
93
85
77
72
84
93
98
87
77
68
53
32
10

Low Clouds (% Sky Obscured)

0
0
5
0
0
5
2
5
7
5
2
0
1
2
3
2
1
8
16
27
44
41
25
4

Medium Clouds (% Sky Obscured)

18
29
40
59
79
98
94
67
31
48
69
89
72
77
72
74
73
63
45
23
2
2
1
1

High Clouds (% Sky Obscured)

94
89
83
88
95
100
100
100
100
95
90
85
72
59
46
64
82
98
81
61
42
50
32
10

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
4
7

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 (%)

21
19
13
16
20
14
18
24
21
39
41
41
46
47
38
28
17
0
3
2
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
9
8
7
6
5
5
5
5
5
7
5
4
4
3
4
5
6
8

Chance of Frost

Temperature (°C)

14
14
16
17
20
21
22
20
18
15
14
13
13
12
11
10
10
11
11
13
14
15
16
18

Feels Like (°C)

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

Dew Point (°C)

12
13
14
15
18
19
20
19
16
14
13
12
12
11
10
10
10
11
11
12
13
14
13
12

Relative Humidity (%)

92
92
90
88
89
89
89
91
90
92
93
93
95
96
95
95
96
98
98
98
96
95
82
70

Pressure (mb)

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

Ozone (du)

308
307
306
305
305
305
304
304
305
305
304
304
303
306
310
313
317
322
327
330
334
338
336
334

Friday 17

New Moon 0%

06:13

20:09

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

Sun - Rise: 05:57, Set: 19:28, Transit: 12:43. Moon - Rise: 06:13, Set: 20:09. Civil Dark: 19:58 - 05:27. Nautical Dark: 20:33 - 04:52. Astro Dark: 21:11 - 04:14

Total Clouds (% Sky Obscured)

26
41
56
55
55
54
59
64
69
56
44
29
42
54
63
64
68
68
58
46
34

Low Clouds (% Sky Obscured)

21
37
53
54
52
51
34
17
1
1
1
1
1
1
2
3
4
5
7
9
11

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

25
10
15
14
37
35
53
64
69
56
34
3
0
3
7
44
54
58
50
37
26

ISS Passover

Visibility (miles)

9
9
9
9
9
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
20
20
18
16
15
14
13
12
12
11
11
10
10
9
9
9
8
9
9

Feels Like (°C)

17
18
19
20
18
17
16
15
15
14
10
10
10
10
10
10
8
8
8
8
8

Dew Point (°C)

12
11
11
10
9
9
8
8
8
8
8
8
8
7
7
7
7
7
7
7
7

Relative Humidity (%)

60
57
56
52
57
61
65
68
74
77
79
80
81
81
82
82
84
87
88
85
82

Pressure (mb)

1012
1013
1013
1013
1014
1014
1015
1016
1016
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

332
330
327
324
324
325
325
327
328
330
329
328
326
325
323
321
321
320
319
319
319

Forecast for Brookline, Norfolk, United States of America (42.33,-71.12)

Generated: 11/04/26 11:55:34. Forecast: 11/04/26 to 17/04/26. Timezone: UTC-4.00