Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 15

Waning Crescent 1%

05:18

17:34

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
11 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)

52
66
65
94
100
100
100
95
91
100
100
100
100
100
100
100
100
100
100
100
76
75
89
85

Low Clouds (% Sky Obscured)

28
31
7
40
25
43
37
8
5
8
4
0
0
5
14
5
38
34
55
48
13
2
0
0

Medium Clouds (% Sky Obscured)

0
0
6
28
36
25
52
36
39
71
98
98
100
100
100
100
100
92
79
74
73
75
89
83

High Clouds (% Sky Obscured)

23
4
42
68
100
98
89
81
53
100
100
100
100
100
100
100
100
100
97
100
27
31
28
28

ISS Passover

Visibility (miles)

0
0
0
0
8
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
8

Fog (%)

0
23
30
11
13
6
15
16
11
31
57
68
62
28
0
0
36
46
85
89
60
6
7
13

Precipitation Type

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

Precipitation Probability (%)

0
0
1
8
29
35
45
25
11
20
32
25
33
45
78
95
91
16
4
2
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
1
0.6
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
10
12
10
7
5
5
4
4
3
4
4
4
2
1
4
1
4
4
2
3
4
5

Chance of Frost

Temperature (°C)

21
19
19
16
15
14
13
12
11
11
12
13
13
13
14
14
15
15
15
13
13
15
19
22

Feels Like (°C)

20
17
17
13
12
12
11
10
10
10
11
12
12
12
13
14
14
15
14
13
13
15
19
22

Dew Point (°C)

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

Relative Humidity (%)

59
71
75
74
82
79
87
89
91
93
92
92
93
93
93
95
98
98
98
100
98
93
86
77

Pressure (mb)

1013
1014
1013
1013
1012
1013
1013
1013
1014
1014
1014
1014
1013
1013
1012
1012
1012
1012
1011
1012
1013
1013
1012
1011

Ozone (du)

305
307
306
306
306
303
302
301
303
303
303
303
303
302
302
302
305
306
306
308
309
312
311
312

Thursday 16

Waning Crescent 1%

05:43

18:50

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 OK
11 Bad

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)

74
97
100
100
90
89
100
100
100
100
100
100
100
92
95
100
100
100
100
60
48
44
24
49

Low Clouds (% Sky Obscured)

50
54
60
59
40
0
1
0
0
0
0
0
0
0
17
1
1
23
0
0
10
34
18
48

Medium Clouds (% Sky Obscured)

34
60
33
29
16
0
54
24
9
0
0
0
13
11
57
62
100
97
47
33
23
12
11
1

High Clouds (% Sky Obscured)

34
77
100
100
70
85
100
100
100
100
100
100
100
92
87
100
100
100
100
60
48
44
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

11
21
14
29
22
13
23
32
35
16
8
5
2
1
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

4
13
63
52
24
31
14
3
2
1
0
0
3
0
0
0
8
18
21
95
8
2
8
22

Precipitation Amount (mm)

0
0
0.7
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.7
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
26
24
21
21
23
22
19
18
17
16
16
15
15
15
15
14
15
14
14
16
17
20
22

Dew Point (°C)

18
18
13
10
11
12
13
12
10
11
10
10
10
10
11
11
11
11
11
12
12
11
12
12

Relative Humidity (%)

66
56
45
45
48
49
53
55
55
56
58
60
63
66
70
74
79
80
80
82
75
64
59
53

Pressure (mb)

1010
1009
1009
1008
1007
1007
1007
1007
1007
1008
1007
1007
1007
1006
1006
1006
1006
1006
1007
1007
1007
1008
1008
1008

Ozone (du)

310
308
308
308
308
307
307
307
307
307
309
312
313
315
315
318
321
327
333
334
337
343
340
338

Friday 17

New Moon 0%

06:13

20:09

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
11 Bad

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)

87
79
88
90
89
70
57
54
75
86
94
98
97
89
88
97
100
100
100
100
100
81
100
87

Low Clouds (% Sky Obscured)

68
66
70
67
62
44
42
54
75
85
90
96
95
85
86
97
100
100
100
100
100
81
92
87

Medium Clouds (% Sky Obscured)

10
3
12
30
35
25
15
0
0
8
4
3
1
1
0
0
3
3
0
0
0
0
0
0

High Clouds (% Sky Obscured)

13
0
2
14
24
6
0
0
0
0
0
0
0
0
0
0
0
3
5
1
24
13
43
20

ISS Passover

Visibility (miles)

0
1
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
9
1
9
8
8
0

Fog (%)

0
0
6
43
11
4
17
59
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

31
22
38
60
77
69
28
15
12
5
2
2
0
0
1
1
9
3
1
1
0
1
0
2

Precipitation Amount (mm)

0
0
0
0
0.3
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
22
21
21
19
16
15
14
12
10
10
10
10
10
10
9
9
9
9
9
9
9
10
10

Feels Like (°C)

20
18
18
18
17
14
13
13
12
9
9
9
9
8
9
8
7
7
6
7
6
7
8
8

Dew Point (°C)

16
19
19
18
16
13
12
12
11
9
8
9
9
8
8
8
8
8
7
8
7
7
6
6

Relative Humidity (%)

66
85
85
84
82
83
86
87
90
91
91
93
93
91
91
93
95
95
91
93
87
85
77
73

Pressure (mb)

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

Ozone (du)

336
334
333
332
329
327
327
329
329
327
329
327
324
324
327
328
327
330
333
334
334
334
331
330

Saturday 18

Waxing Crescent 2%

06:50

21:32

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
11 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)

89
98
100
100
100
88
100
100
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

89
98
98
96
91
86
80
75
76
75
94
100
98
98
100
100
100
100
100
99
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
12
19
30
22
80
17
10
15
19
98
98
97
98
98
98
99

High Clouds (% Sky Obscured)

16
6
7
1
0
18
37
55
40
25
10
20
30
40
52
65
77
84
92
100
100
100
100
100

ISS Passover

Visibility (miles)

0
1
8
8
8
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
Light Rain

Precipitation Probability (%)

2
0
0
0
0
1
1
0
0
0
0
0
2
0
0
0
0
0
6
23
25
27
38
83

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
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
72
67
67
68
73
77
84
84
87
88
84
84
88
91
91
90
91
93
90
91
93
84

Pressure (mb)

1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1015
1015
1014
1013
1013
1012
1011
1010
1009
1009
1008
1008
1007
1006

Ozone (du)

325
325
324
323
322
322
323
323
321
321
321
319
321
319
319
316
315
314
314
313
313
311
311
309

Sunday 19

Waxing Crescent 8%

07:38

22:53

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 OK
01 OK
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 OK
09 OK
10 OK
11 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
98
97
96
97
86
55
35
25
20
0
0
0
1
2
3
15
25
37
58

Low Clouds (% Sky Obscured)

100
100
80
60
37
49
60
72
48
23
0
0
0
0
0
0
0
0
0
0
4
7
11
17

Medium Clouds (% Sky Obscured)

99
100
100
99
100
94
90
85
72
43
0
0
0
0
0
0
0
0
0
0
3
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
90
82
72
77
86
55
35
25
20
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
9
7
9
9
9
7
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

92
80
95
95
95
95
95
49
32
18
0
0
0
0
0
0
0
0
0
0
0
0
0
4

Precipitation Amount (mm)

0.5
0.3
0.8
1.1
1.7
1.2
0.8
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
8
8
7
6
5
5
5
4
4
4
2
1
-1
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10

Relative Humidity (%)

85
83
83
80
78
82
82
84
77
77
81
75
70
67
67
66
64
62
57
52
48
41
36
31

Pressure (mb)

1007
1006
1007
1007
1007
1008
1009
1010
1011
1012
1013
1013
1014
1015
1015
1016
1017
1017
1018
1019
1020
1020
1020
1020

Ozone (du)

309
310
311
313
312
316
317
320
327
332
341
349
358
366
370
380
391
401
402
403
404
403
403
402

Monday 20

Waxing Crescent 16%

08:38

00:07

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 Good
07 Good
08 Good
09 Good
10 Good
11 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)

80
100
100
100
100
97
93
86
74
59
50
34
18
2
2
1
0
0
1
1
3
6
8
9

Low Clouds (% Sky Obscured)

24
34
20
10
5
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
6
6
17
20
58
79
65
45
27
13
2
0
0
0
0
0
1
1
2
2
2
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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 (%)

6
6
12
11
4
8
8
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-0
0
1
1
1
1
1
1
0
-0
0
1
1
1
0
-0
0
0
0
-1
-1
1
2
2

Dew Point (°C)

-10
-10
-10
-11
-11
-11
-12
-12
-12
-12
-13
-13
-12
-12
-13
-12
-11
-11
-11
-11
-11
-13
-13
-13

Relative Humidity (%)

30
30
30
28
27
26
26
26
26
26
27
28
29
30
30
34
36
39
37
35
34
28
24
20

Pressure (mb)

1021
1021
1021
1021
1021
1021
1022
1023
1024
1025
1025
1026
1027
1027
1027
1028
1028
1028
1029
1029
1029
1029
1028
1028

Ozone (du)

405
407
409
412
414
417
417
418
418
421
423
425
419
412
406
402
399
395
394
393
392
390
388
386

Tuesday 21

Waxing Crescent 26%

09:48

01:09

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 Bad
05 Bad
06 Bad
07 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)

9
10
16
22
27
52
76
100
100
100
100
100
100
99
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

0
0
1
1
2
18
35
52
60
64
72
73
74
79
66
54
40
50
60
69

Medium Clouds (% Sky Obscured)

3
4
4
4
4
32
61
90
93
97
100
100
100
99
84
69
53
67
81
96

High Clouds (% Sky Obscured)

4
4
6
2
3
36
68
100
72
40
10
0
6
11
70
76
71
80
90
99

ISS Passover

Visibility (miles)

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

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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
12
15
14
21
23
23
20
16
12
11
9
3

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-11
-10
-9
-8
-6
-5
-4
-4
-2
-1
1
1
2
2
3
3
4
4
4

Relative Humidity (%)

21
20
21
23
26
30
35
41
47
53
58
65
65
65
67
68
70
74
70
68

Pressure (mb)

1027
1025
1024
1023
1022
1021
1021
1021
1021
1020
1019
1019
1018
1016
1015
1014
1013
1013
1012
1012

Ozone (du)

382
379
375
374
373
372
371
370
369
368
368
367
369
370
372
374
377
379
381
384

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

Generated: 15/04/26 11:57:00. Forecast: 15/04/26 to 21/04/26. Timezone: UTC-4.00