Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

Waxing Crescent 37%

09:47

01:10

19 OK
20 OK
21 OK
22 Good
23 OK
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
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:50, Set: 19:34, Transit: 12:42. Moon - Rise: 09:47, Set: 01:10. Civil Dark: 20:03 - 05:20. Nautical Dark: 20:40 - 04:44. Astro Dark: 21:19 - 04:04

Total Clouds (% Sky Obscured)

36
27
29
3
28
67
92
92
85
91
96
96
100
100
96
100
100
99
100
95
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
11
0
0
0
0
0
0
0
0
54
88
92
85
93
87
88
100
88
100
100
100
100

Medium Clouds (% Sky Obscured)

13
8
9
2
22
67
92
92
85
91
96
91
100
95
65
98
100
96
95
89
100
100
100
92

High Clouds (% Sky Obscured)

2
2
2
2
2
2
2
2
2
0
1
4
22
19
56
100
100
40
35
5
3
3
4
16

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
0
0
0
0
0
0
0
0
0
0
2
8

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
12
50
89
95
63
43
45
49
33
52
42
23
23
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.8
0.9
0.3
0
0
0
0
0.2
0
0
0
0

Wind Speed/Direction (mph)

12
9
7
9
8
8
7
6
6
6
7
7
7
7
7
7
6
7
7
7
6
5
4
4

Chance of Frost

Temperature (°C)

4
1
1
3
3
2
2
2
2
2
2
2
2
3
3
4
4
5
5
6
5
5
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
57
58
56
59
66
69
70
70
69
69
69
88
96
96
96
96
96
96
98
98
96
96
94

Pressure (mb)

1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1022
1023
1022
1022
1021
1021
1021
1020
1019
1019
1018
1017
1017

Ozone (du)

379
380
382
379
378
377
377
379
385
390
391
391
388
389
390
390
392
394
395
398
399
398
397
400

Wednesday 22

Waxing Crescent 49%

11:02

01:59

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
16 Bad
17 OK
18 Bad

Sun - Rise: 05:49, Set: 19:35, Transit: 12:42. Moon - Rise: 11:02, Set: 01:59. Civil Dark: 20:05 - 05:19. Nautical Dark: 20:41 - 04:42. Astro Dark: 21:20 - 04:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
97
91
88
86
86
87
66
44
94
61
53
68
64
62
43
54
32
65

Low Clouds (% Sky Obscured)

100
100
100
100
100
90
82
68
67
62
66
54
25
35
85
43
42
60
50
33
21
40
32
39

Medium Clouds (% Sky Obscured)

51
56
52
55
47
40
39
74
63
72
40
20
22
13
9
0
0
0
0
0
0
0
0
4

High Clouds (% Sky Obscured)

53
70
2
0
0
0
60
55
45
40
20
20
8
1
17
12
1
0
0
0
0
0
0
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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 (%)

14
24
25
11
7
3
3
3
1
1
0
0
2
9
14
46
35
25
19
2
1
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)

3
3
3
3
3
3
3
3
3
3
4
4
4
5
6
11
12
13
14
14
13
13
12
12

Chance of Frost

Temperature (°C)

6
5
5
5
5
5
5
5
4
4
3
3
3
6
9
11
12
13
13
14
13
13
12
11

Feels Like (°C)

4
4
4
4
3
3
3
3
2
2
1
-1
1
4
7
7
8
9
9
9
9
9
7
8

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
98
96
96
98
98
96
96
96
96
94
88
80
70
62
62
55
54
52
51
49
51

Pressure (mb)

1017
1017
1017
1017
1017
1016
1015
1015
1014
1014
1013
1013
1013
1013
1013
1012
1012
1011
1011
1011
1010
1010
1010
1011

Ozone (du)

405
413
422
422
422
419
415
412
410
407
405
404
403
401
399
399
399
399
398
396
395
397
398
397

Thursday 23

First Quarter 49%

12:18

02:35

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

Sun - Rise: 05:47, Set: 19:36, Transit: 12:42. Moon - Rise: 12:18, Set: 02:35. Civil Dark: 20:06 - 05:17. Nautical Dark: 20:43 - 04:40. Astro Dark: 21:22 - 04:00

Total Clouds (% Sky Obscured)

48
44
1
0
13
10
0
0
0
0
1
1
2
0
0
4
20
37
32
36
54
94
94
92

Low Clouds (% Sky Obscured)

39
38
0
0
11
10
0
0
0
0
0
0
0
0
0
4
20
37
32
36
50
58
61
62

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
12
15
21
25
24
19
22

High Clouds (% Sky Obscured)

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

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)

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

Chance of Frost

Temperature (°C)

10
8
7
6
5
3
2
2
1
1
1
1
3
5
7
8
10
11
11
12
12
12
12
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
60
60
62
66
73
76
76
77
77
78
78
68
53
44
38
34
32
29
28
28
28
32
43

Pressure (mb)

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

Ozone (du)

397
394
396
397
397
398
398
398
401
402
406
411
420
422
420
421
419
414
403
398
395
393
390
388

Friday 24

Waxing Gibbous 60%

13:31

03:04

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

Sun - Rise: 05:46, Set: 19:37, Transit: 12:42. Moon - Rise: 13:31, Set: 03:04. Civil Dark: 20:07 - 05:15. Nautical Dark: 20:44 - 04:38. Astro Dark: 21:24 - 03:58

Total Clouds (% Sky Obscured)

85
79
60
83
68
49
30
22
2
10
14
42
42
56
72
84
84
81
82
87
93
100
100
100

Low Clouds (% Sky Obscured)

64
69
60
81
68
49
30
22
1
8
7
10
4
21
40
64
72
73
73
66
59
51
36
21

Medium Clouds (% Sky Obscured)

25
14
7
0
0
0
0
0
0
0
0
0
0
0
0
0
3
81
80
55
15
10
12
10

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
5
5
0
5
4
8
12
41
71
100
100
100

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 (%)

4
3
2
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)

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

Chance of Frost

Temperature (°C)

9
7
6
5
5
4
4
3
2
1
1
2
3
5
7
8
9
10
10
11
11
11
10
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
58
62
66
66
64
66
70
83
91
93
93
82
67
58
53
52
52
52
49
50
50
53
56

Pressure (mb)

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

Ozone (du)

387
384
380
381
383
383
383
380
374
372
365
363
363
359
355
355
355
358
358
359
359
359
361
365

Saturday 25

Waxing Gibbous 70%

14:41

03:28

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:44, Set: 19:38, Transit: 12:42. Moon - Rise: 14:41, Set: 03:28. Civil Dark: 20:08 - 05:14. Nautical Dark: 20:45 - 04:37. Astro Dark: 21:25 - 03:56

Total Clouds (% Sky Obscured)

100
100
100
100
97
94
90
84
74
67
62
74
89
88
87
86
87
89
92
88
83
82
91
93

Low Clouds (% Sky Obscured)

6
7
8
9
21
33
45
43
42
40
42
44
46
47
47
51
48
46
44
46
44
40
25
12

Medium Clouds (% Sky Obscured)

12
24
36
49
61
71
81
74
62
55
56
59
61
59
60
55
55
56
53
49
32
24
16
14

High Clouds (% Sky Obscured)

100
100
95
95
61
35
10
7
4
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
1
1
11
3
0
0
1
1
0
0
0
0
0
0
0
1
1
0
1
3
1
6
5

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)

6
5
4
3
2
1
1
1
1
2
2
2
2
2
2
3
5
5
5
5
6
5
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
70
75
79
77
80
83
85
89
91
91
91
82
74
66
60
55
55
56
58
59
62
63
65

Pressure (mb)

1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

366
370
372
373
374
376
374
371
370
370
370
372
375
376
377
378
379
380
381
382
383
385
386
387

Sunday 26

Waxing Gibbous 80%

15:48

03:48

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:43, Set: 19:39, Transit: 12:42. Moon - Rise: 15:48, Set: 03:48. Civil Dark: 20:10 - 05:12. Nautical Dark: 20:47 - 04:35. Astro Dark: 21:27 - 03:54

Total Clouds (% Sky Obscured)

89
92
92
92
94
94
97
98
98
98
97
95
94
94
95
95
84
77
81
79
74
67
70
83

Low Clouds (% Sky Obscured)

0
0
0
0
20
41
61
62
62
63
53
42
32
45
59
73
56
42
30
23
7
0
0
0

Medium Clouds (% Sky Obscured)

15
26
40
54
66
62
60
44
26
8
10
13
19
40
42
45
46
41
21
9
3
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
15
32

ISS Passover

Visibility (miles)

9
9
7
5
3
5
7
9
9
9
9
8
7
5
4
2
0
3
6
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
Very 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
None
None

Precipitation Probability (%)

5
35
55
72
75
68
48
39
29
20
22
20
13
12
12
11
12
13
14
13
13
13
13
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
71
78
85
94
94
96
96
98
96
96
96
94
94
94
94
95
90
84
80
76
71
67
72

Pressure (mb)

1021
1021
1021
1021
1022
1022
1021
1021
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1024

Ozone (du)

388
389
392
394
396
397
398
399
399
398
398
394
390
386
385
384
383
386
389
392
386
381
376
373

Monday 27

Waxing Gibbous 88%

16:54

04:08

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

Sun - Rise: 05:41, Set: 19:40, Transit: 12:41. Moon - Rise: 16:54, Set: 04:08. Civil Dark: 20:11 - 05:11. Nautical Dark: 20:48 - 04:33. Astro Dark: 21:29 - 03:52

Total Clouds (% Sky Obscured)

86
74
58
42
31
18
7
13
21
27
28
28
29
47
66
85
87
89
91

Low Clouds (% Sky Obscured)

0
11
22
31
31
18
7
13
16
9
8
12
17
14
11
11
15
18
21

Medium Clouds (% Sky Obscured)

0
1
1
2
1
0
0
1
1
2
1
1
0
0
0
0
1
1
2

High Clouds (% Sky Obscured)

48
41
37
31
19
5
0
0
0
0
1
4
8
26
32
42
38
5
0

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
2
4
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
7
6
5
4
4
3
3
2
2
2
4
5
7
8
10
12
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
79
82
83
86
86
88
89
89
89
91
85
80
75
67
59
52
50
48

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1022
1021
1021

Ozone (du)

369
365
364
363
362
359
357
354
353
352
350
348
346
345
343
341
339
337
335

Forecast for Andover, Essex, United States of America (42.66,-71.14)

Generated: 21/04/26 19:13:37. Forecast: 21/04/26 to 27/04/26. Timezone: UTC-4.00