Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 22

Waxing Crescent 37%

11:06

02:07

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

Sun - Rise: 05:53, Set: 19:42, Transit: 12:48. Moon - Rise: 11:06, Set: 02:07. Civil Dark: 20:12 - 05:23. Nautical Dark: 20:49 - 04:46. Astro Dark: 21:29 - 04:06

Total Clouds (% Sky Obscured)

100
100
98
99
80
82
82
88
71
81
59
27
43
52
73
84
88
30
60
20
2
2
2
2

Low Clouds (% Sky Obscured)

95
82
86
73
57
56
58
72
58
70
46
26
43
49
58
48
80
20
44
20
0
0
0
0

Medium Clouds (% Sky Obscured)

94
87
98
83
51
63
69
70
27
11
16
1
6
23
29
26
19
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

20
4
0
0
1
0
0
0
0
1
1
3
0
2
19
40
2
0
1
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
1
1
1
1
1
5
5
5
7
7
8
8
7
7
8
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
4
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
1
1
2
1
6
5
2
0
0
2
6
3
4
5
25
8
4
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)

10
7
6
5
3
2
2
3
1
2
2
2
2
2
1
1
4
9
12
11
13
13
14
13

Chance of Frost

Temperature (°C)

6
7
7
7
7
6
6
5
5
5
5
4
3
2
2
3
7
11
10
11
12
13
14
14

Feels Like (°C)

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

Dew Point (°C)

6
7
7
7
7
6
5
5
4
4
5
4
3
2
2
3
5
9
6
6
4
3
2
2

Relative Humidity (%)

98
98
98
100
100
100
98
98
98
98
100
98
98
98
98
94
87
85
76
72
58
48
44
42

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1012
1012
1011
1011

Ozone (du)

390
392
392
395
401
407
407
410
409
405
401
399
396
396
393
392
394
393
393
391
390
391
389
387

Thursday 23

First Quarter 49%

12:22

02:43

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

Sun - Rise: 05:52, Set: 19:43, Transit: 12:48. Moon - Rise: 12:22, Set: 02:43. Civil Dark: 20:13 - 05:21. Nautical Dark: 20:50 - 04:44. Astro Dark: 21:31 - 04:03

Total Clouds (% Sky Obscured)

3
29
10
8
2
3
4
4
25
57
54
5
6
22
3
1
4
2
3
4
3
3
28
15

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
2
2
3
2
3
3
4
4
1
1
4
2
3
4
3
3
28
15

Medium 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

High Clouds (% Sky Obscured)

2
29
10
8
2
3
4
2
17
55
54
2
1
18
2
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
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)

13
11
10
8
5
4
4
4
3
3
3
3
3
3
3
3
5
8
9
8
8
8
9
9

Chance of Frost

Temperature (°C)

14
13
12
11
8
6
4
3
2
2
1
0
-1
-2
-2
0
4
7
8
10
11
12
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
43
47
52
64
68
71
73
76
78
81
84
86
87
89
77
64
51
41
37
35
34
33
34

Pressure (mb)

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

Ozone (du)

384
385
385
385
383
383
383
385
386
387
390
392
396
398
402
408
404
403
413
416
410
404
399
395

Friday 24

Waxing Gibbous 60%

13:36

03:11

16 OK
17 OK
18 OK
19 Good
20 Good
21 Good
22 Good
23 OK
00 OK
01 OK
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

Sun - Rise: 05:50, Set: 19:44, Transit: 12:48. Moon - Rise: 13:36, Set: 03:11. Civil Dark: 20:15 - 05:20. Nautical Dark: 20:52 - 04:42. Astro Dark: 21:32 - 04:01

Total Clouds (% Sky Obscured)

33
36
20
7
13
13
12
20
32
26
41
90
83
79
80
72
95
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

33
36
20
4
3
3
9
14
22
17
27
25
17
19
19
15
25
8
13
31
28
15
16
17

Medium Clouds (% Sky Obscured)

0
0
0
4
11
12
0
0
0
0
0
0
17
35
40
40
35
34
56
100
100
100
100
97

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
20
25
45
45
40
80
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
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
1
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)

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

Chance of Frost

Temperature (°C)

13
13
12
10
7
5
4
3
2
2
2
2
1
1
1
2
4
6
8
10
11
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

34
37
45
58
72
80
80
85
86
86
89
91
88
83
81
74
67
62
54
52
49
45
45
44

Pressure (mb)

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

Ozone (du)

390
390
391
389
391
389
382
378
376
371
367
365
362
361
360
360
362
362
360
360
357
355
355
357

Saturday 25

Waxing Gibbous 70%

14:46

03:35

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:49, Set: 19:45, Transit: 12:48. Moon - Rise: 14:46, Set: 03:35. Civil Dark: 20:16 - 05:18. Nautical Dark: 20:53 - 04:40. Astro Dark: 21:34 - 03:59

Total Clouds (% Sky Obscured)

100
100
100
100
98
95
93
83
96
82
96
78
88
92
61
61
64
67
70
78
93
100
99
98

Low Clouds (% Sky Obscured)

18
26
23
10
11
10
11
10
9
2
2
4
8
10
7
0
1
2
2
13
64
87
86
86

Medium Clouds (% Sky Obscured)

100
100
100
100
90
87
75
43
87
73
96
50
76
88
41
41
46
47
57
74
86
90
92
90

High Clouds (% Sky Obscured)

93
100
82
83
34
55
79
38
21
0
0
1
2
4
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
1
2
2
1
1
1
0
1
2
2
4
4
4
4
3
0
3
9
4
13
16

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
9
7
6
4
3
3
2
2
1
1
2
1
1
5
7
8
10
12
13
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

43
44
51
69
85
93
93
93
96
96
96
96
96
98
98
91
79
67
56
48
43
39
39
43

Pressure (mb)

1013
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1017
1017
1017
1017
1016
1016

Ozone (du)

359
361
369
379
382
384
385
385
386
386
385
385
388
386
388
386
383
382
383
383
384
384
387
390

Sunday 26

Waxing Gibbous 80%

15:54

03:55

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 OK
08 Bad
09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:47, Set: 19:46, Transit: 12:47. Moon - Rise: 15:54, Set: 03:55. Civil Dark: 20:17 - 05:17. Nautical Dark: 20:55 - 04:39. Astro Dark: 21:36 - 03:57

Total Clouds (% Sky Obscured)

96
97
97
99
95
91
85
83
83
82
86
87
89
68
57
46
46
39
39
48
54
58
72
86

Low Clouds (% Sky Obscured)

77
71
58
45
60
68
76
75
75
74
75
74
69
64
56
46
45
39
39
41
32
21
30
43

Medium Clouds (% Sky Obscured)

87
90
92
95
85
72
64
57
46
43
78
54
77
53
42
38
37
35
33
31
29
27
46
47

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
7
15
12
2
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

15
30
37
44
42
39
35
27
16
4
6
5
1
2
2
1
4
4
1
13
16
16
26
30

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
11
9
8
7
6
6
6
5
5
4
4
4
6
8
10
11
13
14
15
15
15

Feels Like (°C)

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

Dew Point (°C)

0
0
3
4
3
3
3
3
4
4
4
4
3
3
3
4
3
3
2
2
2
2
2
3

Relative Humidity (%)

41
41
50
61
64
67
74
79
85
86
90
91
94
94
94
86
73
61
52
46
44
42
41
45

Pressure (mb)

1016
1016
1017
1017
1018
1019
1020
1020
1021
1021
1021
1021
1022
1022
1023
1023
1024
1023
1023
1023
1022
1022
1022
1022

Ozone (du)

392
393
395
397
398
396
393
393
391
394
397
399
397
395
394
395
396
396
397
397
394
391
387
383

Monday 27

Waxing Gibbous 88%

15:54

04:13

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

Sun - Rise: 05:46, Set: 19:48, Transit: 12:47. Moon - Rise: 15:54, Set: 04:13. Civil Dark: 20:18 - 05:15. Nautical Dark: 20:56 - 04:37. Astro Dark: 21:38 - 03:55

Total Clouds (% Sky Obscured)

99
82
65
48
42
36
30
42
52
64
68
71
75
69
67
61
77
88
100
98
97
99
98
98

Low Clouds (% Sky Obscured)

59
49
39
31
21
12
2
23
44
64
68
71
75
65
50
35
36
37
38
42
47
52
50
52

Medium Clouds (% Sky Obscured)

45
8
3
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
2
20
38
57
73
86

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
7
14
11
14
14
7
33
67
100
81
64
56
50
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
7
5
7
8
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
Very Light Rain
Light Rain

Precipitation Probability (%)

31
32
31
32
26
19
0
0
0
0
0
0
0
0
0
0
0
0
0
8
15
20
67
91

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
0.3
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
13
11
10
9
8
6
6
6
6
5
4
3
4
5
6
8
11
13
14
14
14
15

Feels Like (°C)

13
13
13
13
13
8
8
8
7
5
4
5
4
5
4
4
4
5
6
7
9
10
11
12

Dew Point (°C)

3
4
5
6
7
6
6
5
5
5
4
4
3
3
3
3
3
3
4
5
6
7
9
10

Relative Humidity (%)

47
51
60
70
82
85
90
93
93
91
90
91
94
98
91
86
81
70
64
56
60
63
68
75

Pressure (mb)

1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1022
1022
1021
1020
1020
1019

Ozone (du)

379
375
373
371
368
368
367
366
363
359
356
354
353
351
348
345
342
341
340
339
338
337
337
339

Tuesday 28

Waxing Gibbous 94%

17:00

04:32

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
12 Bad
13 Bad

Sun - Rise: 05:44, Set: 19:49, Transit: 12:47. Moon - Rise: 17:00, Set: 04:32. Civil Dark: 20:20 - 05:13. Nautical Dark: 20:58 - 04:35. Astro Dark: 21:39 - 03:53

Total Clouds (% Sky Obscured)

97
96
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

51
57
65
73
73
69
71
70
76
96
100
96
92
90
91
89
92
95
95
100
100
100

Medium Clouds (% Sky Obscured)

97
96
96
94
81
75
70
54
42
30
48
66
88
92
94
96
95
93
92
75
52
33

High Clouds (% Sky Obscured)

71
71
85
100
100
100
100
100
100
100
100
100
100
98
96
94
95
97
100
100
98
93

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

95
95
73
42
52
57
58
57
58
59
72
76
77
75
72
63
61
55
49
56
59
59

Precipitation Amount (mm)

0.9
0.6
0.3
0
0
0
0
0
0.2
0.2
0.4
0.5
0.4
0.4
0.3
0
0
0
0
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
12
11
10
9
8
8
7
7
6
6
6
6
7
7
7
7
7
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
93
95
95
95
96
98
98
98
98
98
100
100
98
100
98
98
96
98
96
96
96

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016

Ozone (du)

341
344
347
351
354
358
362
365
368
371
374
378
381
384
383
381
380
377
375
372
373
373

Forecast for Chester, Windsor, United States of America (43.26,-72.60)

Generated: 22/04/26 16:56:36. Forecast: 22/04/26 to 28/04/26. Timezone: UTC-4.00