Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 4

Waning Gibbous 90%

22:21

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: 06:18, Set: 19:14, Transit: 12:46. Moon - Rise: 22:21, Set: 07:36. Civil Dark: 19:42 - 05:49. Nautical Dark: 20:16 - 05:15. Astro Dark: 20:52 - 04:40

Total Clouds (% Sky Obscured)

97
99
98
99
99
100
99
100
100
100
100
100
100
100
100
100
100
97
97
94
100
100
99
99

Low Clouds (% Sky Obscured)

61
70
68
82
97
100
97
99
100
100
100
100
100
100
100
100
100
91
79
70
100
95
68
66

Medium Clouds (% Sky Obscured)

25
30
30
26
29
28
18
32
36
36
29
0
25
45
46
0
55
41
53
71
75
99
96
94

High Clouds (% Sky Obscured)

44
65
57
47
18
42
73
60
13
74
75
6
47
81
67
61
44
37
47
28
69
74
45
64

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
0
0
0
8
9
6
2
2

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

Precipitation Probability (%)

0
0
0
4
2
1
0
2
22
29
33
41
55
60
25
18
18
22
10
33
72
95
95
94

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0
0
0
0
0
0
0
1
1.2
0.6

Wind Speed/Direction (mph)

15
14
13
12
12
11
10
10
10
10
8
7
6
5
6
2
3
6
10
11
12
12
10
9

Chance of Frost

Temperature (°C)

6
5
4
3
3
4
4
5
5
4
4
4
5
5
5
6
7
9
12
13
14
15
15
14

Feels Like (°C)

0
-1
-2
-2
-2
-1
-1
0
0
0
1
1
2
2
2
4
5
7
9
11
12
12
13
12

Dew Point (°C)

-0
-1
-1
-1
-1
0
1
1
2
2
3
3
4
4
4
5
6
8
11
13
13
14
14
14

Relative Humidity (%)

65
67
68
73
75
76
77
79
80
85
88
91
93
94
94
96
98
98
98
95
90
92
96
96

Pressure (mb)

1028
1029
1029
1029
1028
1028
1028
1027
1026
1024
1023
1021
1019
1018
1016
1015
1014
1012
1010
1009
1008
1008
1007
1007

Ozone (du)

331
331
329
327
328
329
327
326
323
323
324
326
326
329
332
333
334
336
334
332
327
324
325
327

Sunday 5

Waning Gibbous 84%

23:25

08:10

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

Sun - Rise: 06:16, Set: 19:15, Transit: 12:46. Moon - Rise: 23:25, Set: 08:10. Civil Dark: 19:43 - 05:48. Nautical Dark: 20:18 - 05:13. Astro Dark: 20:53 - 04:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
64
56
2
0
2
4
3
3
9
41
42
76
82
76
74
77

Low Clouds (% Sky Obscured)

63
61
67
81
90
83
73
54
15
10
0
0
1
1
1
1
9
41
42
70
66
57
53
48

Medium Clouds (% Sky Obscured)

100
100
100
100
100
44
35
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
42
35
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
9
3
8
5
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

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

Precipitation Probability (%)

71
79
91
81
28
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
0.4
0.6
0.6
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
10
9
9
11
13
13
13
14
14
14
13
13
13
14
13
12
12
13
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
11
10
8
8
7
6
4
2
1
1
0
-1
-1
-2
-1
0
2
3
3
3
4
4

Dew Point (°C)

14
13
12
11
10
7
6
6
3
1
-0
-2
-2
-3
-3
-3
-4
-4
-5
-5
-6
-6
-5
-5

Relative Humidity (%)

96
96
95
90
87
76
74
74
68
66
64
60
63
63
65
64
59
53
47
42
38
35
36
36

Pressure (mb)

1006
1006
1006
1006
1007
1008
1009
1009
1009
1009
1010
1010
1010
1010
1011
1012
1013
1013
1014
1014
1013
1013
1013
1013

Ozone (du)

328
331
331
333
332
336
336
337
336
336
338
340
343
341
345
349
356
357
355
353
355
358
364
370

Monday 6

Waning Gibbous 76%

00:26

08:52

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

Sun - Rise: 06:15, Set: 19:16, Transit: 12:46. Moon - Rise: 00:26, Set: 08:52. Civil Dark: 19:45 - 05:46. Nautical Dark: 20:19 - 05:12. Astro Dark: 20:54 - 04:36

Total Clouds (% Sky Obscured)

89
82
31
18
17
22
26
54
54
42
63
62
45
24
35
41
50
68
79
95
87
99
99
99

Low Clouds (% Sky Obscured)

71
82
31
14
0
0
2
14
54
13
31
38
22
18
22
24
50
65
65
74
70
70
81
89

Medium Clouds (% Sky Obscured)

14
3
6
10
14
21
23
25
45
10
15
11
3
1
2
3
50
68
79
25
58
95
46
99

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)

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 (%)

1
0
0
0
0
0
0
6
1
13
40
50
22
5
3
2
1
6
16
36
50
41
32
36

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-5
-4
-3
-4
-4
-5
-4
-5
-5
-5
-5
-5
-5
-5
-5
-6
-6
-4
-3
-0
-3
-8
-13

Relative Humidity (%)

35
35
39
42
45
47
45
48
50
50
52
53
55
55
56
55
48
43
46
48
58
50
34
25

Pressure (mb)

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

Ozone (du)

380
387
395
399
400
402
403
405
403
404
404
402
400
394
391
390
391
394
400
405
406
407
409
410

Tuesday 7

Waning Gibbous 67%

01:21

09:43

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

Sun - Rise: 06:13, Set: 19:17, Transit: 12:46. Moon - Rise: 01:21, Set: 09:43. Civil Dark: 19:46 - 05:44. Nautical Dark: 20:20 - 05:10. Astro Dark: 20:56 - 04:34

Total Clouds (% Sky Obscured)

99
82
41
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

96
69
33
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)

99
56
10
0
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
0
0
0
0
0
0
0
0

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
Very 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 (%)

36
57
57
45
30
17
0
2
3
5
3
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.3
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

23
28
36
41
37
37
38
38
39
38
36
35
35
36
38
36
31
28
25
22
22
20
20
22

Pressure (mb)

1020
1021
1022
1024
1026
1027
1029
1030
1031
1032
1033
1033
1034
1034
1035
1036
1037
1037
1038
1038
1038
1037
1037
1036

Ozone (du)

412
417
420
419
415
414
415
412
407
403
399
399
399
396
395
394
392
393
391
389
387
381
380
378

Wednesday 8

Waning Gibbous 58%

02:09

10:41

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

Sun - Rise: 06:11, Set: 19:18, Transit: 12:45. Moon - Rise: 02:09, Set: 10:41. Civil Dark: 19:47 - 05:42. Nautical Dark: 20:21 - 05:08. Astro Dark: 20:57 - 04:32

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
8
10
14
26
30
29
28
28
30
35
39
46
55
60
72
80

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
11
21
30
29
28
28
23
21
17
12
6
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
6
9
7
6
7
6
5
4
3
2
1
2
1
1
1
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
11
28
35
35
37
55
60
72
80

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
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)

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

Chance of Frost

Temperature (°C)

7
6
6
4
3
2
2
1
1
1
1
1
1
1
1
2
3
5
7
10
11
11
12
12

Feels Like (°C)

3
2
2
0
-1
-2
-2
-3
-2
-2
-3
-2
-2
-2
-2
-1
0
1
2
3
3
4
4
8

Dew Point (°C)

-12
-11
-8
-7
-7
-7
-6
-6
-6
-5
-5
-5
-3
-2
-2
-1
-1
-1
-1
0
0
1
0
1

Relative Humidity (%)

25
28
36
43
48
51
55
57
60
63
65
67
74
78
80
80
75
66
57
51
49
47
45
46

Pressure (mb)

1036
1036
1036
1036
1037
1037
1037
1038
1037
1037
1037
1037
1036
1036
1036
1036
1036
1035
1035
1034
1033
1032
1031
1030

Ozone (du)

374
374
373
374
376
377
380
382
382
377
377
377
374
371
366
368
372
372
372
372
371
370
368
368

Thursday 9

Waning Gibbous 48%

02:48

11:44

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: 06:10, Set: 19:19, Transit: 12:45. Moon - Rise: 02:48, Set: 11:44. Civil Dark: 19:48 - 05:41. Nautical Dark: 20:23 - 05:06. Astro Dark: 20:59 - 04:30

Total Clouds (% Sky Obscured)

85
82
81
84
96
99
99
99
99
98
99
98
95
88
83
79
69
60
50
59
68
72
79
88

Low Clouds (% Sky Obscured)

0
0
0
0
21
43
64
66
68
69
69
70
70
68
66
64
43
21
0
0
3
5
11
21

Medium Clouds (% Sky Obscured)

0
9
18
26
13
5
0
23
46
70
80
84
90
68
49
35
33
35
39
43
47
31
14
10

High Clouds (% Sky Obscured)

79
80
81
84
96
99
99
99
99
98
99
85
50
6
4
6
5
4
4
24
44
64
43
21

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
0
0
1
1
1
1
0
5
6
7
10
11

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)

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

Chance of Frost

Temperature (°C)

11
10
9
8
7
7
6
7
7
8
8
8
7
8
8
9
9
11
12
14
15
17
18
18

Feels Like (°C)

6
5
5
5
5
2
2
3
3
3
3
3
3
3
4
3
4
7
8
9
10
10
11
17

Dew Point (°C)

0
1
1
1
2
2
2
3
3
4
4
4
4
4
4
5
5
6
6
7
7
8
8
8

Relative Humidity (%)

49
50
57
64
72
74
75
76
76
77
78
78
79
78
77
75
76
69
66
62
57
54
50
51

Pressure (mb)

1030
1029
1029
1029
1028
1028
1028
1028
1027
1027
1026
1026
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1023

Ozone (du)

367
367
362
358
353
353
354
354
352
351
350
352
354
356
359
361
364
363
362
361
360
358
357
356

Friday 10

Third Quarter 38%

03:21

12:51

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

Sun - Rise: 06:08, Set: 19:21, Transit: 12:45. Moon - Rise: 03:21, Set: 12:51. Civil Dark: 19:49 - 05:39. Nautical Dark: 20:24 - 05:04. Astro Dark: 21:00 - 04:28

Total Clouds (% Sky Obscured)

99
99
99
99
99
100
100
100
100
99
100
97
94
96
98
98
97
92
90
83
76
73

Low Clouds (% Sky Obscured)

37
46
59
68
66
74
76
77
91
97
100
97
94
96
90
75
58
40
30
31
38
23

Medium Clouds (% Sky Obscured)

8
4
4
4
3
1
0
1
1
2
9
7
0
1
1
2
12
21
29
32
36
39

High Clouds (% Sky Obscured)

1
10
15
8
23
45
70
57
33
1
0
0
0
0
0
0
0
0
0
0
0
0

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

Fog (%)

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

Precipitation Probability (%)

10
12
14
11
45
60
70
70
68
61
45
30
11
7
4
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.4
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
15
12
10
9
9
7
6
6
6
6
5
5
5
5
5
6
7
8
10
11

Feels Like (°C)

17
17
17
18
18
6
5
4
3
2
3
1
1
1
1
1
1
2
2
2
3
3

Dew Point (°C)

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

Relative Humidity (%)

53
54
62
73
85
85
87
90
88
85
85
85
83
85
83
82
80
76
72
69
66
63

Pressure (mb)

1023
1023
1024
1026
1027
1027
1028
1028
1028
1028
1028
1029
1029
1029
1029
1030
1030
1030
1030
1030
1029
1028

Ozone (du)

355
354
354
353
352
350
347
344
342
340
339
339
340
341
344
346
349
349
348
348
347
345

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

Generated: 04/04/26 16:23:15. Forecast: 04/04/26 to 10/04/26. Timezone: UTC-4.00