Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 88%

16:06

04:25

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

Sun - Rise: 06:06, Set: 19:48, Transit: 12:58. Moon - Rise: 16:06, Set: 04:25. Civil Dark: 20:16 - 05:38. Nautical Dark: 20:50 - 05:04. Astro Dark: 21:26 - 04:27

Total Clouds (% Sky Obscured)

6
42
100
100
43
16
4
8
1
23
9
7
45
70
53
100
54
100
91
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
16
3
0
26
28
16
0
0
0
0
0
4
53
60
55

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
4
9
6
10
51
94
91
94
100
100
95
100

High Clouds (% Sky Obscured)

6
42
100
100
43
15
4
8
1
1
5
7
11
26
25
100
42
98
87
100
96
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
14
20
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
9
9
8
7
7
6
6
5
4
4
3
4
3
3
4
4
4
3
6
4
7
7
7

Chance of Frost

Temperature (°C)

17
16
14
12
11
10
9
9
9
8
8
8
8
7
6
7
10
12
14
15
16
15
15
14

Feels Like (°C)

15
12
11
10
8
9
9
8
7
7
7
8
7
6
4
5
7
10
13
12
13
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

43
47
54
66
73
77
78
78
80
77
75
77
75
78
78
74
63
55
49
46
47
53
52
58

Pressure (mb)

1023
1024
1024
1024
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023
1023
1023
1024
1024
1024
1023
1023
1022
1022
1022

Ozone (du)

360
359
353
353
353
350
352
349
350
350
350
348
349
345
345
345
344
342
338
336
335
333
332
331

Tuesday 28

Waxing Gibbous 94%

17:08

04:47

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: 06:05, Set: 19:49, Transit: 12:57. Moon - Rise: 17:08, Set: 04:47. Civil Dark: 20:17 - 05:37. Nautical Dark: 20:51 - 05:02. Astro Dark: 21:28 - 04:26

Total Clouds (% Sky Obscured)

100
100
100
99
97
97
99
99
95
96
92
86
69
76
76
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

35
30
25
49
64
71
82
87
79
83
75
58
22
25
16
0
27
25
27
49
36
70
61
40

Medium Clouds (% Sky Obscured)

99
100
55
19
97
18
24
20
18
18
16
17
16
14
11
89
95
100
100
100
99
100
87
100

High Clouds (% Sky Obscured)

100
100
100
2
0
0
0
0
0
0
3
12
18
31
43
100
100
100
100
100
100
100
100
99

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
8
25
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
8

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

Chance of Frost

Temperature (°C)

13
13
12
12
12
11
11
11
11
11
11
11
11
10
10
11
12
13
13
14
14
14
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
62
64
62
62
62
62
64
65
65
66
65
66
71
73
73
67
62
64
61
62
56
57
62

Pressure (mb)

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

Ozone (du)

330
330
331
333
334
337
339
339
337
339
334
336
336
336
336
337
334
336
332
331
330
328
328
329

Wednesday 29

Waxing Gibbous 98%

18:09

05:11

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 OK
14 OK
15 OK

Sun - Rise: 06:04, Set: 19:50, Transit: 12:57. Moon - Rise: 18:09, Set: 05:11. Civil Dark: 20:18 - 05:35. Nautical Dark: 20:53 - 05:01. Astro Dark: 21:29 - 04:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
95
100
100
92
98
100
88
66
47
53
31
35
36

Low Clouds (% Sky Obscured)

38
70
88
83
79
96
100
100
100
100
100
81
76
76
75
98
100
87
66
42
53
31
35
36

Medium Clouds (% Sky Obscured)

82
95
100
99
100
100
97
100
100
85
49
53
31
0
0
1
1
1
0
0
0
0
4
7

High Clouds (% Sky Obscured)

55
57
0
65
65
55
60
42
40
2
2
31
100
100
60
44
40
30
1
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
7
4
2
1
0
0
0
0
0
0
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
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

33
46
38
47
83
95
95
95
95
75
49
53
49
37
20
6
5
2
4
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.4
1.2
2.8
3
0.9
0.5
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
12
12
12
12
12
12
12
12
12
13
13
13
13
12
12
12
13
14
16
17
18
18

Feels Like (°C)

10
9
9
9
9
9
10
10
10
11
11
12
12
13
10
8
8
8
9
11
11
13
15
13

Dew Point (°C)

6
8
10
10
10
11
12
12
12
12
12
12
13
13
12
10
10
10
11
10
8
6
6
5

Relative Humidity (%)

60
71
84
86
89
95
98
100
100
100
100
98
98
100
93
92
92
90
87
73
59
49
46
42

Pressure (mb)

1012
1011
1010
1010
1010
1010
1009
1008
1008
1007
1007
1006
1006
1006
1006
1007
1008
1008
1008
1009
1008
1008
1008
1008

Ozone (du)

332
334
337
341
345
349
352
350
355
362
364
373
373
378
387
388
380
378
380
383
382
383
383
388

Thursday 30

Waxing Gibbous 100%

19:11

05:37

16 OK
17 Bad
18 Bad
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 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:02, Set: 19:51, Transit: 12:57. Moon - Rise: 19:11, Set: 05:37. Civil Dark: 20:19 - 05:34. Nautical Dark: 20:54 - 05:00. Astro Dark: 21:30 - 04:23

Total Clouds (% Sky Obscured)

43
45
48
49
33
16
0
0
0
0
0
0
7
10
15
15
39
60
78
69
61
100
66
96

Low Clouds (% Sky Obscured)

38
26
13
0
0
0
0
0
0
0
0
0
0
0
0
0
18
35
53
43
33
23
15
8

Medium Clouds (% Sky Obscured)

12
23
38
49
33
16
0
0
0
0
0
0
0
0
0
0
9
13
20
25
26
31
48
67

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
7
10
15
15
22
23
18
27
50
100
61
53

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)

16
16
14
11
9
8
7
7
7
7
7
7
7
7
6
6
7
8
10
11
13
13
13
13

Chance of Frost

Temperature (°C)

18
18
17
15
13
12
11
10
10
9
8
8
7
7
7
8
9
11
13
15
15
16
16
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
43
43
46
52
57
57
57
59
62
67
70
73
72
73
74
66
57
52
45
40
40
38
39

Pressure (mb)

1008
1009
1009
1010
1011
1011
1012
1012
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

389
388
387
385
383
381
383
384
384
381
381
382
378
372
371
371
369
365
362
363
357
353
354
351

Friday 1

Full Moon 100%

20:14

06:07

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: 06:01, Set: 19:52, Transit: 12:57. Moon - Rise: 20:14, Set: 06:07. Civil Dark: 20:20 - 05:33. Nautical Dark: 20:55 - 04:58. Astro Dark: 21:32 - 04:21

Total Clouds (% Sky Obscured)

54
68
94
96
94
93
92
95
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
15
30
45
51
60
66
70
72
76
84
92
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

54
68
87
90
68
53
68
95
91
100
100
100
100
100
100
100
100
100
100
100
100
100
97
97

High Clouds (% Sky Obscured)

15
12
13
9
27
45
65
53
33
24
63
83
100
82
57
40
30
22
15
7
9
5
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
4
3
2
2
2
2
2
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
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
Light Rain
Moderate Rain
Moderate Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
3
2
38
56
78
89
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.7
1
1.2
2.3
1.7
1.3
1.8
2.2
2.7
2.6
1.7

Wind Speed/Direction (mph)

13
12
9
6
3
4
5
6
5
4
5
6
7
8
9
9
9
10
11
13
15
17
20
18

Chance of Frost

Temperature (°C)

17
17
16
15
13
12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11
10
10
11

Feels Like (°C)

12
14
15
12
11
9
10
10
10
11
10
10
9
8
9
9
8
8
8
8
8
8
8
6

Dew Point (°C)

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

Relative Humidity (%)

41
42
46
56
63
70
69
71
71
71
72
71
70
70
79
92
93
95
95
96
96
96
98
98

Pressure (mb)

1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1012
1012
1011
1010
1008
1007
1006

Ozone (du)

348
345
344
343
341
338
338
339
337
336
336
337
338
339
338
338
337
335
333
331
331
331
330
332

Saturday 2

Waning Gibbous 98%

21:16

06:42

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 OK
10 OK
11 OK
12 OK
13 Good
14 OK
15 OK

Sun - Rise: 06:00, Set: 19:53, Transit: 12:57. Moon - Rise: 21:16, Set: 06:42. Civil Dark: 20:21 - 05:32. Nautical Dark: 20:56 - 04:57. Astro Dark: 21:33 - 04:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
97
96
96
92
89
70
50
30
23
16
17
11
9
7
16
21

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
90
84
78
76
78
68
67
50
30
23
16
17
11
9
6
5
4

Medium Clouds (% Sky Obscured)

96
98
99
100
100
100
59
54
46
33
34
34
46
36
19
0
0
0
0
0
0
0
4
8

High Clouds (% Sky Obscured)

5
0
5
25
24
23
22
3
3
9
3
2
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
1
3
6
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

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
None
None

Precipitation Probability (%)

95
95
95
64
55
53
50
46
40
35
29
23
12
15
17
17
15
13
11
9
6
0
0
0

Precipitation Amount (mm)

1.5
1.1
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
15
13
13
14
14
14
16
15
13
12
11
11
11
11
11
12
12
13
14
14
14
14
13

Chance of Frost

Temperature (°C)

11
12
11
11
10
10
9
9
8
8
8
8
7
7
7
8
8
9
10
12
13
14
15
15

Feels Like (°C)

5
4
4
5
5
5
5
5
4
5
4
2
2
2
2
3
4
3
4
4
5
5
6
11

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
96
95
93
93
91
91
91
91
91
90
90
90
90
90
76
64
54
49
45
42
42

Pressure (mb)

1005
1004
1004
1004
1004
1005
1006
1007
1007
1008
1008
1008
1009
1009
1010
1011
1011
1011
1012
1012
1012
1012
1011
1011

Ozone (du)

334
336
336
336
336
336
337
337
337
336
336
338
339
341
342
343
345
347
350
353
355
358
360
361

Sunday 3

Waning Gibbous 94%

22:16

07:23

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

Sun - Rise: 05:59, Set: 19:54, Transit: 12:57. Moon - Rise: 22:16, Set: 07:23. Civil Dark: 20:22 - 05:30. Nautical Dark: 20:57 - 04:55. Astro Dark: 21:35 - 04:18

Total Clouds (% Sky Obscured)

27
23
19
15
9
5
1
3
5
11
18
29
32
31
33
33
21
10
0
1
1
2

Low Clouds (% Sky Obscured)

4
2
2
2
2
1
1
0
0
0
0
0
0
9
19
28
19
9
0
0
0
0

Medium Clouds (% Sky Obscured)

4
3
5
3
1
1
0
2
4
7
18
27
30
25
17
11
7
3
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

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

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

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

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
14
12
11
10
10
9
9
8
8
8
8
8
9
10
12
13
15
17
18
19

Feels Like (°C)

11
11
11
11
11
7
9
9
9
9
9
6
7
7
6
6
6
11
12
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

42
42
49
56
64
63
64
63
64
65
67
69
70
73
70
69
67
57
49
42
40
40

Pressure (mb)

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

Ozone (du)

362
363
365
366
368
368
368
368
370
371
372
373
373
373
372
372
371
371
372
372
374
375

Forecast for Genezer Estates, Worcester, United States of America (38.16,-75.17)

Generated: 27/04/26 16:43:44. Forecast: 27/04/26 to 03/05/26. Timezone: UTC-4.00