Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 2%

06:50

21:32

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: 05:55, Set: 19:30, Transit: 12:43. Moon - Rise: 06:50, Set: 21:32. Civil Dark: 19:59 - 05:26. Nautical Dark: 20:35 - 04:50. Astro Dark: 21:13 - 04:12

Total Clouds (% Sky Obscured)

100
97
92
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

79
79
79
71
79
78
91
100
100
100
100
100
100
100
100
100
100
97
83
100
93
99
99
99

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
5
0
2
43
2
66
59
83
90
97
97
100

High Clouds (% Sky Obscured)

2
11
31
38
48
72
86
80
100
75
100
100
60
63
67
99
99
100
100
32
100
100
100
99

ISS Passover

Visibility (miles)

8
8
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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
2
0
0
1
1
2
0
9
0
2
0
0
1
2
17
37
75

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
62
57
59
64
68
73
78
84
87
87
87
87
88
87
87
87
87
90
90
90
88
82
82

Pressure (mb)

1021
1021
1021
1020
1019
1019
1018
1018
1018
1017
1017
1017
1016
1015
1014
1014
1014
1013
1012
1011
1010
1009
1009
1008

Ozone (du)

325
321
317
313
316
316
318
321
322
323
323
323
320
316
316
319
318
319
320
320
319
320
320
319

Sunday 19

Waxing Crescent 8%

07:38

22:53

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

Sun - Rise: 05:54, Set: 19:31, Transit: 12:43. Moon - Rise: 07:38, Set: 22:53. Civil Dark: 20:00 - 05:24. Nautical Dark: 20:36 - 04:48. Astro Dark: 21:14 - 04:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
45
0
0
0
0
0
7
52
55
54
55
66

Low Clouds (% Sky Obscured)

100
100
100
89
100
100
83
76
28
0
0
1
0
0
0
0
0
0
0
8
20
20
15
25

Medium Clouds (% Sky Obscured)

96
100
100
100
100
100
100
92
1
0
0
0
0
0
0
0
0
0
6
44
55
54
55
9

High Clouds (% Sky Obscured)

86
100
100
100
100
100
100
100
100
100
100
100
45
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
5
6
6
9
9
9
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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
Moderate Rain
Light Rain
None
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
65
86
71
16
0
0
0
0
0
0
0
0
0
0
0
1
15
33
16

Precipitation Amount (mm)

0.7
0.5
0.7
2.7
0.9
0
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
7
11
15
15
13
13
14
11
9
8
7
7
6
6
6
7
6
6
7
8
10
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
8
6
5
4
3
2
1
1
1
1
1
3
3
3
3
2
2
1
-1
0
2
3

Dew Point (°C)

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

Relative Humidity (%)

81
91
91
82
82
81
82
83
79
78
76
78
79
78
79
79
76
73
71
69
65
60
70
74

Pressure (mb)

1007
1007
1006
1006
1006
1007
1009
1010
1011
1013
1014
1014
1015
1015
1016
1016
1016
1016
1017
1017
1018
1019
1019
1020

Ozone (du)

317
317
316
317
318
322
326
331
333
336
338
339
344
350
354
358
364
372
377
380
386
393
397
401

Monday 20

Waxing Crescent 16%

08:38

00:07

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

Sun - Rise: 05:52, Set: 19:32, Transit: 12:43. Moon - Rise: 08:38, Set: 00:07. Civil Dark: 20:01 - 05:22. Nautical Dark: 20:37 - 04:46. Astro Dark: 21:16 - 04:08

Total Clouds (% Sky Obscured)

87
99
91
98
98
100
100
96
94
84
64
62
59
29
24
10
3
4
8
3
3
6
8
10

Low Clouds (% Sky Obscured)

74
87
59
75
74
78
53
75
53
25
35
40
38
6
2
3
2
3
5
1
1
5
8
10

Medium Clouds (% Sky Obscured)

30
35
35
34
41
45
50
40
14
21
64
62
7
2
2
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
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 (%)

13
38
40
38
21
28
24
19
17
19
6
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-0
-5
-8
-9
-11
-11
-11
-8
-3
-4
-5
-6
-7
-8
-7
-7
-7
-7
-7
-7
-7
-7
-9
-11

Relative Humidity (%)

56
39
30
26
24
24
25
31
48
47
45
41
42
42
44
46
46
47
49
51
50
45
37
31

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1020
1021
1022
1023
1023
1024
1024
1024
1024
1025
1025
1025
1026
1027
1027
1027
1027

Ozone (du)

403
405
410
410
411
411
411
410
409
408
410
412
417
420
428
431
436
441
445
451
443
431
425
420

Tuesday 21

Waxing Crescent 26%

09:48

01:09

11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 Bad
18 Bad
19 OK
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: 05:51, Set: 19:33, Transit: 12:43. Moon - Rise: 09:48, Set: 01:09. Civil Dark: 20:03 - 05:21. Nautical Dark: 20:39 - 04:45. Astro Dark: 21:17 - 04:06

Total Clouds (% Sky Obscured)

19
23
34
34
32
44
58
48
41
58
77
100
100
100
100
100
100
100
96
92
87
91
94
99

Low Clouds (% Sky Obscured)

19
23
34
34
32
36
24
12
0
0
0
0
26
77
100
90
77
65
81
86
81
83
85
88

Medium Clouds (% Sky Obscured)

2
4
7
6
11
26
58
48
41
58
63
100
100
100
100
100
100
100
96
92
87
91
94
93

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
4
32
59
87

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
9
6
7
3
9
4

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
1
0
22
60
48
62
85
65
71
70
57
62
60
64

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-11
-10
-9
-9
-9
-8
-6
-5
-5
-4
-4
-4
-4
0
1
1
3
3
3
3
4
5
6

Relative Humidity (%)

27
27
27
27
27
28
30
35
42
45
50
51
56
55
73
77
79
93
86
83
86
86
87
88

Pressure (mb)

1026
1026
1025
1024
1023
1023
1022
1022
1022
1022
1022
1022
1021
1021
1020
1019
1018
1018
1017
1016
1016
1015
1015
1014

Ozone (du)

419
413
405
399
396
390
387
388
387
387
385
381
377
377
378
377
378
380
383
386
392
394
391
392

Wednesday 22

Waxing Crescent 37%

11:03

01:57

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

Sun - Rise: 05:49, Set: 19:34, Transit: 12:42. Moon - Rise: 11:03, Set: 01:57. Civil Dark: 20:04 - 05:19. Nautical Dark: 20:40 - 04:43. Astro Dark: 21:19 - 04:04

Total Clouds (% Sky Obscured)

93
88
81
86
89
82
80
48
31
33
35
39
34
96
45
61
76
94
92
88
90
89
90
88

Low Clouds (% Sky Obscured)

77
64
53
39
28
10
10
3
0
0
0
0
10
19
25
9
17
26
18
9
0
14
27
41

Medium Clouds (% Sky Obscured)

87
55
35
47
70
74
48
33
26
29
32
35
34
48
45
47
38
39
43
61
85
87
90
87

High Clouds (% Sky Obscured)

59
31
3
8
14
20
13
6
0
0
0
0
1
5
2
19
57
94
92
88
90
68
36
4

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 (%)

30
28
8
14
13
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
8
9
10
9
9
6
4
2
2
1
1
1
1
1
1
1
-0
-0
-1
-1
-1
-2
-2

Relative Humidity (%)

90
91
91
88
88
86
68
65
59
61
61
64
66
69
69
69
68
67
67
65
61
60
54
50

Pressure (mb)

1013
1012
1012
1011
1011
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1017
1017
1018
1018
1018
1019
1019
1019

Ozone (du)

391
393
397
404
407
410
414
424
427
428
427
424
421
420
423
422
419
416
412
411
410
409
406
403

Thursday 23

First Quarter 49%

11:03

02:34

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

Sun - Rise: 05:48, Set: 19:35, Transit: 12:42. Moon - Rise: 11:03, Set: 02:34. Civil Dark: 20:05 - 05:18. Nautical Dark: 20:41 - 04:41. Astro Dark: 21:21 - 04:02

Total Clouds (% Sky Obscured)

82
76
70
67
63
56
55
56
46
55
57
65
65
65
60
36
17
7
14
20
23
17
21
28

Low Clouds (% Sky Obscured)

35
30
24
17
8
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1

Medium Clouds (% Sky Obscured)

80
74
67
46
26
8
9
21
31
36
39
43
30
20
8
6
5
4
3
1
0
0
0
0

High Clouds (% Sky Obscured)

2
1
0
1
0
0
0
0
0
0
0
0
33
65
60
36
17
2
14
20
23
17
21
28

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 (%)

1
1
0
0
1
0
0
0
0
0
0
0
0
0
0
1
1
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
6
6
8
7
7
8
7
6
5
4
4
5
4
4
4
4
5
5
5
5
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
42
39
36
39
43
47
50
54
58
57
55
53
56
59
63
62
62
63
60
58
56
49
41

Pressure (mb)

1019
1018
1018
1017
1017
1017
1016
1017
1017
1017
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016

Ozone (du)

400
397
395
392
391
390
388
389
389
389
387
385
384
384
385
385
387
390
392
395
399
402
407
412

Friday 24

Waxing Gibbous 60%

12:19

03:03

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

Sun - Rise: 05:46, Set: 19:36, Transit: 12:42. Moon - Rise: 12:19, Set: 03:03. Civil Dark: 20:06 - 05:16. Nautical Dark: 20:43 - 04:39. Astro Dark: 21:22 - 04:00

Total Clouds (% Sky Obscured)

21
13
6
6
0
0
0
0
0
2
4
10
10
11
16
16
11
10
7
8
10

Low Clouds (% Sky Obscured)

1
1
2
0
0
0
0
0
0
2
4
9
10
11
16
16
11
10
7
8
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

21
13
5
5
0
0
0
0
0
2
4
10
10
11
0
1
1
1
2
2
3

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

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

Precipitation Probability (%)

0
1
1
15
24
33
57
71
81
95
95
95
95
91
64
56
43
35
25
16
7

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.4
0.6
0.8
1.2
1.5
1.1
0.7
0.4
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
8
8
11
11
11
11
11
11
8
8
8
8
8
8
7
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

36
33
31
29
29
30
31
35
38
43
45
46
47
53
58
66
66
69
69
66
65

Pressure (mb)

1015
1015
1014
1014
1013
1013
1012
1012
1012
1012
1012
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

417
420
423
426
424
421
418
410
401
393
387
382
376
377
378
378
383
388
393
396
399

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

Generated: 18/04/26 11:55:24. Forecast: 18/04/26 to 24/04/26. Timezone: UTC-4.00