Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

First Quarter 52%

11:38

00:36

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:16, Set: 16:48, Transit: 12:02. Moon - Rise: 11:38, Set: 00:36. Civil Dark: 17:17 - 06:46. Nautical Dark: 17:50 - 06:13. Astro Dark: 18:22 - 05:41

Total Clouds (% Sky Obscured)

99
100
90
70
70
76
74
64
55
87
91
94
99
95
100
98
98
98
97
96
97
90
92
87

Low Clouds (% Sky Obscured)

91
100
83
62
66
76
74
58
50
87
91
94
99
95
100
98
98
98
97
96
93
88
85
79

Medium Clouds (% Sky Obscured)

11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
4
0
9
0
2
2

High Clouds (% Sky Obscured)

0
0
0
0
1
0
0
0
0
0
0
3
0
30
0
26
36
4
2
2
0
3
26
32

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

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
7
7
9
11
11
12
13
14
14
14
13
13
12
11
10
10
10
9
8
7
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
86
85
88
85
85
83
78
76
80
80
80
82
83
86
85
85
86
86
86
86
86
86

Pressure (mb)

1009
1009
1010
1010
1012
1013
1014
1016
1017
1017
1017
1017
1018
1019
1020
1020
1021
1022
1022
1022
1023
1023
1023
1023

Ozone (du)

292
292
290
289
287
286
289
291
292
292
293
291
289
289
290
287
284
286
288
289
287
287
287
287

Sunday 28

Waxing Gibbous 63%

12:03

01:46

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:16, Set: 16:49, Transit: 12:02. Moon - Rise: 12:03, Set: 01:46. Civil Dark: 17:18 - 06:47. Nautical Dark: 17:51 - 06:14. Astro Dark: 18:23 - 05:41

Total Clouds (% Sky Obscured)

86
71
89
94
80
73
92
94
96
100
100
100
98
100
100
96
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

74
45
39
37
40
43
38
56
74
64
51
60
82
95
98
91
95
95
94
79
100
98
100
100

Medium Clouds (% Sky Obscured)

4
19
8
8
7
10
12
25
95
98
100
98
83
100
99
77
93
76
99
83
84
80
51
51

High Clouds (% Sky Obscured)

20
49
66
80
76
63
80
36
8
86
85
71
90
70
100
82
48
100
100
100
100
100
100
66

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
10
8
13
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)

5
5
5
4
4
4
3
3
2
3
5
7
7
7
7
6
7
9
11
12
13
13
13
13

Chance of Frost

Temperature (°C)

1
1
0
-0
-0
-0
0
2
4
5
6
7
7
7
7
6
6
7
7
8
8
9
9
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
92
92
94
92
87
76
67
62
60
60
63
66
74
81
88
84
84
82
81
81
81
82

Pressure (mb)

1024
1023
1023
1023
1023
1024
1024
1024
1024
1024
1022
1021
1020
1020
1019
1019
1018
1017
1016
1015
1014
1013
1011
1010

Ozone (du)

287
286
285
284
283
282
281
280
280
280
280
278
278
277
276
276
277
278
277
277
276
275
274
272

Monday 29

Waxing Gibbous 74%

12:33

No Set

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 Good
19 OK
20 OK
21 OK
22 OK
23 OK
00 Bad
01 OK

Sun - Rise: 07:16, Set: 16:49, Transit: 12:03. Moon - Rise: 12:33, Set: No Set. Civil Dark: 17:19 - 06:47. Nautical Dark: 17:52 - 06:14. Astro Dark: 18:24 - 05:42

Total Clouds (% Sky Obscured)

96
98
75
94
96
100
100
100
100
100
100
100
94
85
81
35
3
9
14
23
31
41
50
43

Low Clouds (% Sky Obscured)

90
94
74
86
92
73
66
67
79
81
79
59
56
64
0
21
3
9
14
23
31
41
47
41

Medium Clouds (% Sky Obscured)

42
45
0
21
18
9
100
95
100
100
100
100
86
43
62
18
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

79
57
37
49
48
100
100
100
100
100
100
77
2
1
2
0
0
0
0
0
1
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
3
2
9
9
9
9
6
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
4
7
15
95
88
55
21
5
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
1.1
0.5
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
15
15
15
14
15
16
16
17
18
17
16
15
16
18
19
20
21
19
18
19
17
17
16

Chance of Frost

Temperature (°C)

10
11
11
12
11
12
12
13
15
16
17
16
16
15
14
13
11
8
7
6
4
3
2
1

Feels Like (°C)

5
6
6
7
7
7
8
10
11
12
12
12
12
8
6
6
4
1
0
-0
-4
-4
-4
-5

Dew Point (°C)

7
8
9
10
10
11
11
12
12
13
13
12
13
6
-2
-2
-3
-6
-5
-5
-7
-7
-8
-8

Relative Humidity (%)

83
83
84
87
93
95
93
90
83
79
76
78
86
53
33
36
37
37
42
47
47
48
49
49

Pressure (mb)

1009
1008
1006
1005
1004
1003
1002
1001
1000
999
998
997
996
996
997
998
999
1001
1001
1002
1004
1004
1005
1006

Ozone (du)

271
269
268
266
264
264
264
262
261
259
258
256
257
260
260
262
263
264
266
269
274
280
289
298

Tuesday 30

Waxing Gibbous 84%

13:08

03:01

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

Sun - Rise: 07:16, Set: 16:50, Transit: 12:03. Moon - Rise: 13:08, Set: 03:01. Civil Dark: 17:19 - 06:47. Nautical Dark: 17:52 - 06:14. Astro Dark: 18:24 - 05:42

Total Clouds (% Sky Obscured)

36
30
20
10
0
0
0
1
1
1
1
1
1
0
19
30
38
32
27
25
31
28
24
25

Low Clouds (% Sky Obscured)

35
28
20
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
18
30
32
27
25
31
28
24
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
2
1
1
1
1
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)

16
15
15
14
14
14
15
16
16
17
17
17
17
16
15
13
11
10
10
9
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-5
-6
-6
-6
-6
-6
-5
-5
-4
-4
-4
-4
-4
-4
-4
-5
-5
-5
-5
-5
-5
-5

Dew Point (°C)

-8
-9
-8
-9
-9
-10
-10
-10
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-10
-10
-9
-9
-9
-9

Relative Humidity (%)

50
49
51
50
50
49
47
45
41
38
36
35
34
35
37
41
42
43
46
48
52
53
55
54

Pressure (mb)

1006
1007
1008
1008
1009
1010
1011
1012
1013
1013
1012
1012
1012
1013
1013
1014
1014
1015
1015
1015
1016
1015
1015
1015

Ozone (du)

307
315
324
332
333
334
337
338
336
337
338
339
340
342
349
363
361
364
367
365
364
364
353
346

Wednesday 31

Waxing Gibbous 92%

13:52

04:19

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

Sun - Rise: 07:17, Set: 16:51, Transit: 12:04. Moon - Rise: 13:52, Set: 04:19. Civil Dark: 17:20 - 06:47. Nautical Dark: 17:53 - 06:14. Astro Dark: 18:25 - 05:42

Total Clouds (% Sky Obscured)

28
27
27
26
27
23
16
16
12
7
30
35
30
23
39
64
85
70
57
49
66
68
69
64

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
4
4
8
23
35
30
18
10
4
2
1
30

Medium Clouds (% Sky Obscured)

22
14
14
19
21
21
16
16
12
7
5
2
4
2
30
60
85
30
16
5
20
39
56
64

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
0
14
13
16
18
38
64
84
63
35
0
4
8
12
9

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
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)

10
9
7
7
7
8
8
9
10
10
11
11
10
9
8
8
8
8
8
8
8
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
49
54
57
61
64
60
45
37
35
34
35
37
40
43
49
56
65
66
66
68
69
70
72

Pressure (mb)

1015
1015
1014
1015
1015
1015
1015
1015
1015
1015
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012

Ozone (du)

340
345
353
352
345
338
330
322
316
312
313
313
311
309
307
305
303
301
301
301
301
301
300
299

Thursday 1

Waxing Gibbous 98%

14:47

05:36

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

Sun - Rise: 07:17, Set: 16:52, Transit: 12:04. Moon - Rise: 14:47, Set: 05:36. Civil Dark: 17:21 - 06:47. Nautical Dark: 17:54 - 06:14. Astro Dark: 18:26 - 05:42

Total Clouds (% Sky Obscured)

78
97
81
64
47
29
17
5
0
3
0
0
0
5
5
12
36
44
44
38
54
58
60
37

Low Clouds (% Sky Obscured)

59
86
81
64
47
29
17
2
0
2
0
0
0
5
5
5
4
17
30
38
54
58
60
37

Medium Clouds (% Sky Obscured)

71
85
74
62
47
29
17
5
0
3
0
0
0
5
5
12
10
8
7
5
3
1
0
0

High Clouds (% Sky Obscured)

6
3
2
1
5
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 (%)

5
4
9
11
12
11
9
0
1
0
0
0
0
0
0
0
0
5
7
8
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-3
-3
-4
-5
-5
-5
-6
-7
-7
-7
-7
-7
-6
-6
-6
-5
-5
-4
-4
-4
-6
-9
-12

Relative Humidity (%)

72
70
71
70
70
70
65
59
54
48
43
40
42
44
48
48
49
49
55
63
70
62
56
49

Pressure (mb)

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

Ozone (du)

300
301
301
303
304
305
307
309
311
312
313
313
315
317
318
319
320
321
322
323
323
324
325
326

Friday 2

Waxing Gibbous 100%

15:55

06:47

Sun - Rise: 07:17, Set: 16:52, Transit: 12:05. Moon - Rise: 15:55, Set: 06:47. Civil Dark: 17:22 - 06:48. Nautical Dark: 17:55 - 06:15. Astro Dark: 18:27 - 05:43

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 27/12/25 02:12:02. Forecast: 27/12/25 to 02/01/26. Timezone: UTC-5.00