Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

New Moon 0%

06:11

20:10

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

Sun - Rise: 05:56, Set: 19:28, Transit: 12:43. Moon - Rise: 06:11, Set: 20:10. Civil Dark: 19:58 - 05:26. Nautical Dark: 20:34 - 04:50. Astro Dark: 21:12 - 04:12

Total Clouds (% Sky Obscured)

100
98
100
100
100
100
100
100
51
50
49
43
27
20
35
69
81
69
43
55
76
80
89
90

Low Clouds (% Sky Obscured)

69
98
100
100
92
52
34
33
25
23
22
12
4
3
10
53
65
62
43
55
58
58
76
76

Medium Clouds (% Sky Obscured)

78
43
55
55
62
51
38
20
14
40
33
4
1
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
98
58
65
71
80
100
100
8
20
20
0
0
0
0
0
0
0
0
0
4
5
5
13

ISS Passover

Visibility (miles)

8
8
0
0
0
0
1
4
8
8
8
8
9
9
9
9
9
9
9
6
0
0
0
1

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

Precipitation Probability (%)

7
8
0
71
81
93
87
50
21
0
0
0
0
0
1
1
0
0
0
1
8
16
2
3

Precipitation Amount (mm)

0
0.2
0
0
0.3
0.5
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
13
14
12
11
11
11
11
11
11
11
11
11
11
10
10
11
11
10
9
8
8
8
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
84
84
92
95
95
96
98
95
95
95
96
96
98
98
96
95
96
96
98
98
98
96
96

Pressure (mb)

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

Ozone (du)

323
330
325
328
329
329
329
330
335
337
334
332
329
334
333
331
327
324
324
327
330
332
336
337

Saturday 18

Waxing Crescent 2%

06:48

21:32

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: 05:54, Set: 19:30, Transit: 12:43. Moon - Rise: 06:48, Set: 21:32. Civil Dark: 19:59 - 05:24. Nautical Dark: 20:35 - 04:48. Astro Dark: 21:13 - 04:10

Total Clouds (% Sky Obscured)

89
97
94
68
98
100
93
92
100
99
100
98
100
100
100
100
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

79
91
86
68
81
100
88
89
92
99
99
95
100
100
100
100
89
84
88
79
91
99
100
97

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
21
75
10
22
25
40
47
100
99
100

High Clouds (% Sky Obscured)

3
24
33
27
62
59
51
70
100
72
53
29
52
70
100
100
87
100
97
100
100
100
95
100

ISS Passover

Visibility (miles)

0
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3

Fog (%)

0
0
0
2
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
Light Rain

Precipitation Probability (%)

1
1
1
0
0
0
0
2
0
2
4
1
5
1
1
0
2
0
1
4
35
35
61
95

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
0.8

Wind Speed/Direction (mph)

9
9
10
11
12
10
9
7
8
7
6
5
3
4
4
4
3
2
3
4
5
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
88
78
72
68
71
80
87
88
90
91
91
93
91
93
91
91
93
93
93
93
91
93
96

Pressure (mb)

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

Ozone (du)

338
333
329
327
323
323
324
324
326
327
327
327
327
326
328
325
323
322
320
321
319
320
320
319

Sunday 19

Waxing Crescent 8%

07:36

22:54

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

Sun - Rise: 05:53, Set: 19:31, Transit: 12:42. Moon - Rise: 07:36, Set: 22:54. Civil Dark: 20:00 - 05:23. Nautical Dark: 20:36 - 04:47. Astro Dark: 21:15 - 04:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
45
45
3
2
1
0
1
2
5
7

Low Clouds (% Sky Obscured)

94
100
100
89
76
73
65
48
30
33
17
24
1
0
0
0
0
0
0
0
0
1
1
2

Medium Clouds (% Sky Obscured)

77
100
100
64
100
100
82
100
98
88
85
4
0
2
0
0
0
0
0
0
0
0
3
5

High Clouds (% Sky Obscured)

87
100
67
100
100
100
100
100
100
100
100
100
100
100
45
45
3
2
1
0
0
0
0
0

ISS Passover

Visibility (miles)

7
9
3
9
5
9
6
8
3
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

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

Precipitation Probability (%)

95
95
95
95
95
80
89
95
74
17
4
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.8
0.6
0.9
1
0.6
0.4
0.5
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
9
9
8
7
6
6
6
5
5
5
4
2
2
2
1
1
0
-1
-1
-1
-0
-1

Relative Humidity (%)

96
95
95
93
88
84
85
90
91
90
90
91
90
82
85
83
85
86
85
84
84
84
80
68

Pressure (mb)

1008
1008
1008
1007
1007
1008
1009
1009
1010
1010
1012
1013
1014
1014
1015
1016
1016
1016
1017
1017
1018
1019
1020
1021

Ozone (du)

318
319
319
319
317
318
319
323
324
326
326
328
332
335
336
343
350
354
356
364
372
385
391
400

Monday 20

Waxing Crescent 16%

08:36

00:08

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

Sun - Rise: 05:51, Set: 19:32, Transit: 12:42. Moon - Rise: 08:36, Set: 00:08. Civil Dark: 20:02 - 05:21. Nautical Dark: 20:38 - 04:45. Astro Dark: 21:17 - 04:06

Total Clouds (% Sky Obscured)

6
49
67
83
100
91
80
69
73
46
47
78
86
87
77
52
67
27
16
0
0
0
0
0

Low Clouds (% Sky Obscured)

4
49
60
55
50
54
50
51
41
11
1
24
26
25
15
5
4
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
49
39
39
65
30
29
69
72
11
17
10
10
7
10
10
12
6
4
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 (%)

0
0
4
7
6
8
7
4
12
18
8
11
10
4
4
2
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
9
10
9
9
8
10
8
9
7
8
8
6
5
5
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

6
8
9
9
10
10
10
10
10
9
7
5
4
4
4
2
1
0
0
-1
-1
-1
1
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
46
41
36
31
30
27
26
30
39
47
55
59
55
54
58
64
65
66
66
64
63
55
43

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1023
1024
1025
1026
1027
1027
1027
1027
1028
1028
1028
1029
1029
1030

Ozone (du)

406
409
411
411
411
413
415
416
415
411
405
410
420
424
427
429
430
437
436
426
423
418
415
414

Tuesday 21

Waxing Crescent 26%

No Rise

01:10

09 Good
10 Good
11 Good
12 OK
13 OK
14 OK
15 Good
16 OK
17 OK
18 OK
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: 05:49, Set: 19:33, Transit: 12:42. Moon - Rise: No Rise, Set: 01:10. Civil Dark: 20:03 - 05:20. Nautical Dark: 20:39 - 04:43. Astro Dark: 21:18 - 04:04

Total Clouds (% Sky Obscured)

0
0
14
28
43
28
15
25
23
43
64
78
88
100
99
99
99
98
97
97
91
87
82
80

Low Clouds (% Sky Obscured)

0
0
14
28
43
28
15
0
8
17
25
17
8
0
6
13
19
30
36
44
32
20
8
23

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
9
18
28
49
74
96
95
95
93
90
87
80
63
46
23
13

High Clouds (% Sky Obscured)

0
0
0
1
1
1
0
10
4
3
15
19
22
35
21
12
7
8
27
90
91
87
82
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
23
31
36
35
31
20
22
18
10
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-10
-10
-10
-10
-10
-9
-7
-4
-2
-2
-4
-3
-3
-2
-2
-2
-2
-1
1
2
3
3
4

Relative Humidity (%)

34
28
25
24
23
23
24
30
42
51
55
46
49
53
56
57
57
58
65
72
80
81
79
79

Pressure (mb)

1029
1029
1028
1027
1026
1025
1024
1023
1023
1022
1021
1021
1021
1020
1020
1019
1018
1017
1016
1016
1015
1015
1015
1015

Ozone (du)

414
412
409
405
402
402
402
399
395
394
391
387
386
385
384
385
386
387
388
389
390
391
393
395

Wednesday 22

Waxing Crescent 37%

09:46

01:58

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

Sun - Rise: 05:48, Set: 19:34, Transit: 12:42. Moon - Rise: 09:46, Set: 01:58. Civil Dark: 20:04 - 05:18. Nautical Dark: 20:41 - 04:41. Astro Dark: 21:20 - 04:02

Total Clouds (% Sky Obscured)

80
79
75
70
66
75
84
92
76
69
64
46
53
33
43
56
71
57
43
29
22
15
8
8

Low Clouds (% Sky Obscured)

38
53
56
58
60
64
68
72
64
56
49
32
16
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

10
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
2
3
3
3
3
3

High Clouds (% Sky Obscured)

75
63
63
60
60
63
64
67
29
5
0
0
0
0
0
0
3
14
16
14
13
9
3
7

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 (%)

7
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)

7
9
12
12
12
12
12
11
11
9
8
6
6
6
6
6
5
5
5
4
4
4
3
4

Chance of Frost

Temperature (°C)

9
11
13
14
15
16
15
15
14
12
10
8
7
6
6
5
4
4
3
3
2
4
6
7

Feels Like (°C)

5
6
6
7
8
10
13
12
11
10
11
11
3
4
4
4
4
4
0
1
1
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

68
58
49
41
34
29
30
31
32
37
45
52
54
56
59
61
64
68
68
69
69
63
57
52

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1018
1019
1019
1020
1020
1021
1021
1021
1021
1022
1022
1023
1023

Ozone (du)

396
397
397
396
395
394
394
395
395
394
394
394
392
390
389
388
387
386
384
383
381
379
376
374

Thursday 23

First Quarter 48%

11:02

02:35

09 Good
10 Good
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

Sun - Rise: 05:46, Set: 19:35, Transit: 12:42. Moon - Rise: 11:02, Set: 02:35. Civil Dark: 20:05 - 05:16. Nautical Dark: 20:42 - 04:40. Astro Dark: 21:22 - 04:00

Total Clouds (% Sky Obscured)

8
9
26
49
71
81
86
95
100
97
98
97
97
96
97
96
97

Low Clouds (% Sky Obscured)

0
0
0
0
1
2
2
2
3
3
2
2
3
4
22
39
56

Medium Clouds (% Sky Obscured)

2
2
2
3
4
3
2
1
12
23
35
31
28
24
49
73
97

High Clouds (% Sky Obscured)

8
9
26
35
3
0
0
0
0
0
0
30
30
30
58
38
32

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
0
0
0
0
0
0
0
0
0
0
0
0
1
5
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
5
5
5
4
6
8
11
9
7
5
5
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
9
10
11
12
14
14
13
13
12
11
4
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

44
37
32
30
28
27
31
36
42
49
57
67
68
69
70
71
70

Pressure (mb)

1023
1023
1023
1023
1022
1021
1021
1021
1020
1021
1022
1022
1022
1023
1023
1023
1023

Ozone (du)

373
371
370
368
366
365
364
363
362
363
363
363
363
363
363
362
360

Forecast for Boxford, Essex, United States of America (42.66,-70.99)

Generated: 17/04/26 09:53:04. Forecast: 17/04/26 to 23/04/26. Timezone: UTC-4.00