Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

Waxing Crescent 26%

08:36

01:10

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

Sun - Rise: 05:50, Set: 19:34, Transit: 12:43. Moon - Rise: 08:36, 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)

10
8
7
5
60
86
78
88
88
58
30
61
26
4
56
8
30
65
84
100
94
98
97
98

Low Clouds (% Sky Obscured)

0
0
0
0
5
10
10
37
40
22
0
23
0
0
0
3
0
0
0
2
0
0
33
82

Medium Clouds (% Sky Obscured)

0
0
0
2
45
71
63
78
80
47
25
29
21
0
47
4
25
60
80
100
94
98
96
97

High Clouds (% Sky Obscured)

0
2
2
2
2
0
0
0
0
0
0
0
0
1
1
1
1
1
2
2
1
0
0
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 (%)

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
1
10
34

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-11
-11
-13
-13
-13
-13
-12
-12
-12
-12
-10
-5
-5
-4
-5
-5
-5
-4
-3
-3
-4
-3
-3

Relative Humidity (%)

54
46
36
27
24
22
21
21
21
21
21
23
38
50
56
56
54
55
61
68
66
65
68
67

Pressure (mb)

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

Ozone (du)

431
419
416
414
412
407
402
400
398
398
396
391
384
381
381
382
380
378
377
376
376
382
385
386

Wednesday 22

Waxing Crescent 37%

09:47

01:59

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:49, Set: 19:35, Transit: 12:42. Moon - Rise: 09:47, 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)

96
99
97
100
100
100
100
100
100
100
100
100
100
98
90
88
90
95
93
95
96
95
87
88

Low Clouds (% Sky Obscured)

83
96
79
99
96
100
100
100
100
100
100
100
100
94
84
68
76
83
82
85
81
62
55
64

Medium Clouds (% Sky Obscured)

91
95
92
68
94
84
62
62
56
54
29
26
19
19
0
3
9
10
8
6
82
87
85
18

High Clouds (% Sky Obscured)

24
30
63
100
73
5
6
7
24
2
2
1
0
0
0
22
0
0
0
30
40
25
0
0

ISS Passover

Visibility (miles)

9
0
0
0
0
0
0
0
0
0
0
6
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

74
92
78
53
43
37
25
35
24
13
11
6
5
4
2
1
2
1
0
0
0
0
0
2

Precipitation Amount (mm)

0.5
0.8
0.5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
93
96
96
96
96
98
96
98
96
96
96
94
96
96
98
98
98
98
96
98
98
96
98

Pressure (mb)

1021
1022
1021
1021
1020
1020
1020
1019
1018
1018
1017
1016
1016
1016
1016
1017
1016
1016
1015
1015
1014
1013
1013
1013

Ozone (du)

384
385
388
390
391
394
395
397
397
398
398
397
400
401
404
408
411
414
416
416
412
409
410
409

Thursday 23

First Quarter 49%

11:02

02:35

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

93
65
48
44
30
63
36
58
50
40
42
29
3
2
24
16
2
33
11
2
0
0
1
5

Low Clouds (% Sky Obscured)

78
2
48
44
30
63
34
42
38
30
40
24
2
1
0
0
0
0
4
0
0
0
0
0

Medium Clouds (% Sky Obscured)

14
15
48
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
4
0
0
0
0
0
0
0
0
0
0
0
0
15
7
1
15
4
1
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
7
6
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
1
24
35
26
18
1
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)

4
4
6
7
12
13
14
14
13
13
13
12
11
11
9
8
7
6
5
4
4
4
4
4

Chance of Frost

Temperature (°C)

3
4
7
10
12
12
12
13
13
14
13
13
12
10
8
7
6
4
3
2
1
1
0
-0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
85
81
71
69
64
52
51
48
47
50
52
57
59
63
65
67
67
70
73
74
77
78

Pressure (mb)

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

Ozone (du)

409
410
411
411
411
411
413
413
413
413
413
408
406
402
399
400
400
401
402
402
403
404
404
406

Friday 24

Waxing Gibbous 60%

12:18

03:04

06 Good
07 Good
08 Good
09 Good
10 OK
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

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)

3
0
7
18
28
55
66
65
71
76
84
87
75
73
88
77
77
72
61
53
69
67
68
56

Low Clouds (% Sky Obscured)

0
0
7
18
28
53
61
58
53
45
40
35
17
12
25
16
13
10
14
19
33
47
62
51

Medium Clouds (% Sky Obscured)

0
0
0
0
0
3
6
9
10
11
10
7
12
9
8
4
3
6
9
12
18
17
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
0
0
0
0
1
0
1
3
3
4
5
13
2
2
2
2
1
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)

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

Chance of Frost

Temperature (°C)

1
3
5
7
8
9
10
11
11
11
12
11
10
8
6
6
5
4
4
3
2
2
1
1

Feels Like (°C)

-1
2
3
4
6
7
6
7
7
7
7
7
6
6
4
3
3
2
1
1
1
-1
-1
-2

Dew Point (°C)

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

Relative Humidity (%)

78
69
56
47
43
39
36
33
34
34
34
37
50
58
67
67
67
71
72
74
74
76
77
78

Pressure (mb)

1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1011
1012
1013
1013
1014
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

409
412
419
430
429
431
427
425
421
417
409
404
400
396
392
387
382
380
378
375
372
370
368
371

Saturday 25

Waxing Gibbous 70%

13:31

03:28

06 OK
07 OK
08 OK
09 OK
10 OK
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 OK
05 OK

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)

44
40
42
39
43
60
79
93
91
98
89
92
88
87
90
95
100
96
93
92
75
58
37
21

Low Clouds (% Sky Obscured)

40
29
31
32
33
45
58
71
56
42
27
18
9
0
0
0
1
1
1
1
12
23
35
21

Medium Clouds (% Sky Obscured)

0
0
0
0
0
30
60
85
85
90
85
85
85
85
84
87
81
77
73
65
69
53
37
21

High Clouds (% Sky Obscured)

0
0
2
9
11
47
71
93
90
98
89
92
88
87
90
95
100
77
43
10
7
14
2
1

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
1
0
2
3
1
3
4
1
3

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

Chance of Frost

Temperature (°C)

1
3
5
7
8
10
11
12
12
12
12
12
11
9
7
7
6
5
5
5
5
4
4
3

Feels Like (°C)

-2
1
2
4
6
7
9
10
11
12
10
11
9
7
4
4
4
4
4
3
3
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

80
70
59
50
43
39
36
34
32
31
32
33
35
47
49
54
58
62
66
70
75
76
79
83

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

368
370
370
375
379
379
382
381
381
384
385
384
383
381
381
379
377
375
375
375
375
375
376
376

Sunday 26

Waxing Gibbous 80%

14:41

03:48

06 OK
07 OK
08 Good
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
02 Bad
03 Bad
04 Bad
05 Bad

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)

17
21
17
18
18
44
71
95
97
98
99
92
86
81
68
55
51
87
87
64
56
56
60
59

Low Clouds (% Sky Obscured)

17
21
17
18
18
44
71
94
92
90
88
85
83
81
68
55
51
85
87
64
56
56
60
59

Medium Clouds (% Sky Obscured)

17
21
17
18
18
18
18
14
5
5
5
10
15
25
54
55
51
83
74
40
19
9
0
0

High Clouds (% Sky Obscured)

1
1
2
2
3
2
2
1
10
24
35
66
73
66
44
22
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 (%)

3
0
0
0
0
1
2
3
5
6
4
9
10
8
12
13
13
14
14
12
21
27
32
30

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
68
61
56
51
47
47
47
47
48
49
49
55
62
70
75
79
85
85
86
88
86
85
85

Pressure (mb)

1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

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

Monday 27

Waxing Gibbous 88%

15:48

04:08

06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 OK
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 OK
01 Good

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)

53
53
42
34
25
34
50
68
75
83
89
64
42
19
22
24
27
23
18
14

Low Clouds (% Sky Obscured)

53
53
42
34
25
34
50
68
75
83
87
63
42
19
22
24
23
22
18
14

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
5
5
9
12
12
7
3
3
2
1
1

High Clouds (% Sky Obscured)

0
0
0
0
1
0
0
0
0
0
0
1
2
2
4
5
7
7
9
14

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 (%)

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

Precipitation Probability (%)

24
12
12
10
4
16
17
15
15
14
13
13
12
8
7
6
4
4
3
0

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)

2
2
2
3
4
5
5
6
7
7
7
7
7
6
5
4
4
3
2
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
8
9
10
11
12
13
14
13
13
13
13
13
7
7
7
7
7

Dew Point (°C)

2
2
2
2
2
2
3
3
3
3
4
4
4
4
4
4
4
4
4
3

Relative Humidity (%)

78
72
68
59
51
44
45
45
44
45
46
46
53
61
72
74
78
82
83
85

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

374
374
374
376
378
380
378
377
375
374
373
372
369
367
365
364
364
363
361
358

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

Generated: 21/04/26 06:52:33. Forecast: 21/04/26 to 27/04/26. Timezone: UTC-4.00