Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

First Quarter 49%

11:02

02:35

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

Sun - Rise: 05:47, Set: 19:36, Transit: 12:42. Moon - Rise: 11:02, 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)

29
14
30
51
34
25
7
2
2
1
1
1
1
20
17
4
2
1
1
1
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
30
51
34
25
7
0
0
0
0
0
0
20
17
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

29
9
0
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)

26
0
2
0
0
0
0
0
0
0
0
0
0
0
1
3
2
1
1
1
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
25
2
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
8
12
12
15
14
14
13
13
12
11
11
7
4
4
4
4
4
4
4
4
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
11
11
10
10
11
12
12
11
11
10
8
8
7
5
4
3
2
2
1
1
1
1
2

Dew Point (°C)

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

Relative Humidity (%)

85
79
70
66
50
41
37
32
31
35
38
43
50
58
60
62
63
64
65
67
68
70
73
65

Pressure (mb)

1012
1011
1011
1011
1011
1010
1010
1009
1009
1009
1010
1010
1011
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1012

Ozone (du)

401
400
399
399
398
397
396
396
398
397
395
396
395
396
395
394
393
394
398
401
402
408
414
408

Friday 24

Waxing Gibbous 60%

12:18

03:04

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

Sun - Rise: 05:46, Set: 19:37, Transit: 12:42. Moon - Rise: 12:18, 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)

0
3
36
19
14
62
80
93
62
91
76
74
49
60
43
84
80
78
47
30
21
28
7
40

Low Clouds (% Sky Obscured)

0
0
6
19
14
41
39
5
5
5
15
16
5
34
40
66
67
69
40
30
21
7
4
10

Medium Clouds (% Sky Obscured)

0
0
36
13
0
12
29
48
17
34
21
20
21
20
15
14
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
1
0
0
0
0
0
0
0
0
1
2
1
5
1
10

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)

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

Chance of Frost

Temperature (°C)

5
7
9
10
12
13
13
13
13
13
12
11
7
6
5
5
4
4
4
2
2
1
1
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
44
40
35
32
30
29
29
31
34
42
56
65
66
70
71
72
75
79
85
84
83
80
68

Pressure (mb)

1012
1012
1011
1011
1010
1010
1010
1009
1009
1010
1010
1012
1013
1014
1014
1015
1015
1015
1015
1016
1016
1016
1017
1017

Ozone (du)

412
414
414
413
410
406
403
400
397
398
394
394
391
389
387
384
383
377
369
367
366
363
362
362

Saturday 25

Waxing Gibbous 70%

13:31

03:28

08 Bad
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

Sun - Rise: 05:44, Set: 19:38, Transit: 12:42. Moon - Rise: 13:31, 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
100
100
100
100
100
100
100
100
100
100
100
100
99
96
84
71
50
58
56
50

Low Clouds (% Sky Obscured)

22
31
34
33
44
43
49
44
27
17
0
0
0
0
0
0
1
11
19
13
6
6
0
0

Medium Clouds (% Sky Obscured)

0
0
2
100
100
100
100
100
100
100
100
95
98
100
100
97
99
96
84
71
50
58
56
50

High Clouds (% Sky Obscured)

100
100
100
100
100
53
100
100
100
100
100
100
100
76
70
75
1
0
1
17
10
5
10
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
5
6
6
6
7
7
7
6
5
5
3
3
2
2
2
2
1
1
1
0
1
2

Dew Point (°C)

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

Relative Humidity (%)

60
52
44
42
42
44
43
43
42
43
46
55
63
65
68
68
69
72
72
71
69
68
71
67

Pressure (mb)

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

Ozone (du)

359
358
361
361
361
362
361
364
367
369
370
374
382
387
389
388
389
386
383
384
385
385
383
383

Sunday 26

Waxing Gibbous 80%

14:41

03:48

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

Sun - Rise: 05:43, Set: 19:39, Transit: 12:42. Moon - Rise: 14:41, 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)

49
34
42
27
38
49
49
48
51
48
46
33
34
36
39
37
23
24
10
10
9
15
19
26

Low Clouds (% Sky Obscured)

5
9
12
15
37
48
48
48
47
40
28
20
21
16
13
4
4
4
2
3
3
5
5
4

Medium Clouds (% Sky Obscured)

46
4
0
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
5
10
15

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
1
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)

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

Chance of Frost

Temperature (°C)

7
9
11
13
15
15
16
15
14
14
13
11
9
7
7
6
6
6
5
4
4
4
5
6

Feels Like (°C)

4
6
9
11
13
14
13
12
11
11
9
8
6
5
4
4
4
4
3
3
2
2
3
4

Dew Point (°C)

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

Relative Humidity (%)

58
51
44
42
39
37
38
42
50
51
54
59
68
74
75
75
76
75
78
82
82
82
75
71

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1023
1024
1024
1024
1024
1024
1024
1025
1025
1025
1026
1026

Ozone (du)

382
382
381
379
377
376
378
382
382
381
380
382
383
383
380
381
381
382
385
387
389
391
393
393

Monday 27

Waxing Gibbous 88%

15:48

04:08

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

Sun - Rise: 05:41, Set: 19:40, Transit: 12:42. Moon - Rise: 15:48, 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)

20
27
34
39
44
43
30
20
15
24
14
17
14
9
5
12
19
21
25
30
31
30
40
52

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
23
31
25
12
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
3
4
3
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

20
27
34
30
29
29
20
10
0
0
0
7
9
5
2
11
19
21
25
27
6
18
33
47

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
1
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
54
50
47
47
47
46
48
51
53
55
63
72
74
77
78
79
82
83
85
86
88
82
75

Pressure (mb)

1027
1026
1027
1026
1026
1026
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1026

Ozone (du)

393
392
392
393
395
396
395
392
388
385
385
383
379
377
375
373
369
365
361
359
356
353
351
350

Tuesday 28

Waxing Gibbous 94%

16:54

04:27

08 Bad
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

Sun - Rise: 05:40, Set: 19:42, Transit: 12:41. Moon - Rise: 16:54, Set: 04:27. Civil Dark: 20:12 - 05:09. Nautical Dark: 20:50 - 04:32. Astro Dark: 21:31 - 03:50

Total Clouds (% Sky Obscured)

64
76
89
93
96
100
97
95
92
91
95
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

15
29
44
38
33
27
30
32
35
42
49
56
68
79
91
90
90
90
90
89
89
91
92
93

Medium Clouds (% Sky Obscured)

0
0
0
9
18
28
53
74
92
91
95
100
99
99
99
97
89
62
47
38
28
45
62
80

High Clouds (% Sky Obscured)

60
74
87
91
96
100
92
81
72
38
18
10
40
70
100
100
100
100
100
100
100
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
8
7
6
5

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
2
6
8
25
37
47
66
81
95
95
95
95
95
92
75

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.6
1
1.3
2.1
1.2
0.6
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
9
10
10
11
12
13
13
13
12
11
11
10
7
7
8
7
7
6
6
6
6
6
6

Dew Point (°C)

4
3
3
3
3
3
3
3
4
5
4
3
3
4
5
7
7
7
7
7
8
8
8
9

Relative Humidity (%)

70
59
51
44
42
40
40
43
48
53
55
55
56
65
74
88
88
90
90
91
93
95
96
98

Pressure (mb)

1026
1025
1024
1024
1023
1023
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1017
1017
1017

Ozone (du)

348
348
348
348
347
347
346
345
344
343
343
343
344
348
352
356
359
363
366
366
367
367
368
370

Wednesday 29

Waxing Gibbous 98%

17:59

04:47

08 Bad
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

Sun - Rise: 05:39, Set: 19:43, Transit: 12:41. Moon - Rise: 17:59, Set: 04:47. Civil Dark: 20:13 - 05:08. Nautical Dark: 20:51 - 04:30. Astro Dark: 21:32 - 03:48

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

95
98
100
100
100
100
98
97
98
99
97
94
95
98
100
99
98
97

Medium Clouds (% Sky Obscured)

85
91
96
64
32
0
9
23
32
41
50
56
69
84
100
91
82
73

High Clouds (% Sky Obscured)

100
100
100
84
86
97
100
100
100
97
94
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

71
65
56
55
57
62
95
95
95
95
95
95
95
95
82
70
57
42

Precipitation Amount (mm)

0.3
0.3
0
0
0.2
0.3
0.6
1.1
1.6
1.5
1.4
0.8
0.7
0.6
0.5
0.3
0.2
0

Wind Speed/Direction (mph)

5
6
6
6
6
6
6
6
6
5
6
6
6
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
6
6
6
6
6
6
6
6
6
6
6
6
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
96
96
96
98
98
96
96
98
96
98
98
98
98
98
98

Pressure (mb)

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

Ozone (du)

371
372
374
375
376
376
376
378
379
381
380
379
379
377
375
373
370
367

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

Generated: 23/04/26 08:26:23. Forecast: 23/04/26 to 29/04/26. Timezone: UTC-4.00