Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 22

Waxing Crescent 7%

09:22

18:38

02 Bad
03 Bad
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 Good
19 Good
20 Good
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:11, Set: 16:16, Transit: 11:44. Moon - Rise: 09:22, Set: 18:38. Civil Dark: 16:48 - 06:39. Nautical Dark: 17:23 - 06:04. Astro Dark: 17:58 - 05:30

Total Clouds (% Sky Obscured)

79
54
40
0
0
0
0
0
0
0
0
0
0
7
30
33
12
13
8
96
100
100
100
99

Low Clouds (% Sky Obscured)

0
22
0
0
0
0
0
0
0
0
0
0
0
0
0
26
7
0
0
0
0
1
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
4
26
26
7
9
5
78
100
100
100
91

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
40
35
100
87
91

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-12
-14
-15
-16
-16
-17
-18
-18
-18
-18
-18
-18
-17
-14
-13
-11
-10
-10
-10
-10
-10
-10
-9

Relative Humidity (%)

49
48
45
44
42
43
39
36
33
30
28
26
25
26
35
44
50
56
59
63
61
60
61
63

Pressure (mb)

1025
1026
1026
1027
1028
1029
1030
1030
1030
1030
1029
1029
1029
1028
1029
1029
1029
1029
1028
1028
1028
1027
1027
1027

Ozone (du)

326
332
333
335
341
344
345
345
349
350
347
347
346
342
339
342
350
349
340
337
336
335
339
341

Tuesday 23

Waxing Crescent 13%

09:52

19:46

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: 07:12, Set: 16:17, Transit: 11:44. Moon - Rise: 09:52, Set: 19:46. Civil Dark: 16:48 - 06:40. Nautical Dark: 17:24 - 06:04. Astro Dark: 17:58 - 05:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
98
100
99
99
97
96
96
96
96
95
97
97
98

Low Clouds (% Sky Obscured)

7
29
36
56
65
74
82
90
80
91
92
87
95
98
94
91
89
92
92
91
91
92
91
91

Medium Clouds (% Sky Obscured)

40
40
40
43
100
100
100
100
100
100
100
96
100
98
96
91
86
87
85
85
28
33
43
36

High Clouds (% Sky Obscured)

100
100
100
100
100
99
70
100
100
60
45
40
0
45
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
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
33
71
74
13
0

Precipitation Type

None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None

Precipitation Probability (%)

0
0
0
0
4
18
31
55
68
77
71
58
72
94
93
93
82
70
68
71
61
56
44
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.3
0.4
0.4
0.2
0.4
0.6
0.6
0.6
0.4
0.2
0.2
0.3
0.2
0.2
0.1
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-9
-9
-8
-8
-7
-7
-7
-7
-6
-6
-6
-4
0
-0
-0
-0
0
0
0
0
-0
-0
-1

Relative Humidity (%)

64
65
65
67
67
69
68
63
62
62
59
57
70
98
98
98
98
100
100
100
100
100
100
98

Pressure (mb)

1027
1026
1025
1025
1025
1025
1025
1025
1024
1023
1021
1019
1018
1018
1017
1016
1016
1016
1015
1014
1013
1013
1012
1012

Ozone (du)

340
342
340
340
338
337
336
336
332
329
328
325
322
321
325
322
320
318
318
318
322
326
329
331

Wednesday 24

Waxing Crescent 21%

10:17

20:54

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

Sun - Rise: 07:12, Set: 16:17, Transit: 11:45. Moon - Rise: 10:17, Set: 20:54. Civil Dark: 16:49 - 06:40. Nautical Dark: 17:25 - 06:05. Astro Dark: 17:59 - 05:31

Total Clouds (% Sky Obscured)

99
100
97
78
65
41
18
19
43
42
38
42
44
44
32
23
5
6
3
3
8
14
21
72

Low Clouds (% Sky Obscured)

97
100
88
71
38
26
13
16
36
38
38
42
40
29
12
9
1
2
1
1
1
1
1
1

Medium Clouds (% Sky Obscured)

34
40
35
30
10
6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
8
11
12

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
5

ISS Passover

Visibility (miles)

0
0
8
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 (%)

23
24
33
36
15
2
0
1
2
8
8
8
3
10
1
3
2
1
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
6
7
9
10
11
13
13
13
14
13
13
12
10
7
5
5
6
5
5
5
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
92
89
83
81
77
78
77
70
72
73
74
76
81
89
87
84
84
87
84
84
82
81

Pressure (mb)

1012
1011
1011
1011
1011
1012
1013
1014
1015
1016
1017
1018
1019
1021
1022
1023
1024
1025
1026
1026
1026
1026
1026
1026

Ozone (du)

332
329
334
337
337
338
337
336
339
340
338
335
333
336
338
338
336
337
335
331
328
324
323
322

Thursday 25

Waxing Crescent 30%

10:39

22:03

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: 07:12, Set: 16:18, Transit: 11:45. Moon - Rise: 10:39, Set: 22:03. Civil Dark: 16:50 - 06:41. Nautical Dark: 17:25 - 06:05. Astro Dark: 17:59 - 05:31

Total Clouds (% Sky Obscured)

71
70
78
86
95
95
95
88
84
97
100
100
100
100
100
100
100
100
100
100
93
87
80
84

Low Clouds (% Sky Obscured)

1
10
2
18
2
14
7
1
12
30
41
28
21
18
40
31
17
12
8
1
2
1
0
26

Medium Clouds (% Sky Obscured)

50
70
78
70
77
67
51
34
31
94
97
24
16
13
13
13
19
19
99
69
55
22
21
30

High Clouds (% Sky Obscured)

0
0
2
5
7
25
42
60
64
68
72
81
91
100
100
100
100
100
100
100
92
84
76
72

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
1
2
5
2
8
10
10
10
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
79
79
79
82
85
84
75
63
58
57
61
64
70
84
86
83
87
88
91
92
94
92
92

Pressure (mb)

1026
1025
1025
1024
1024
1023
1023
1022
1021
1020
1018
1017
1016
1015
1015
1015
1015
1015
1015
1016
1015
1015
1015
1015

Ozone (du)

324
328
331
331
330
329
329
327
325
324
322
321
321
322
321
322
320
319
317
315
311
309
306
302

Friday 26

Waxing Crescent 41%

10:59

23:12

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: 07:13, Set: 16:19, Transit: 11:46. Moon - Rise: 10:59, Set: 23:12. Civil Dark: 16:50 - 06:41. Nautical Dark: 17:26 - 06:05. Astro Dark: 18:00 - 05:31

Total Clouds (% Sky Obscured)

92
97
96
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

51
77
85
93
98
95
98
97
95
93
92
89
91
93
95
98
100
100
100
100
100
100
100
96

Medium Clouds (% Sky Obscured)

51
67
75
92
100
100
100
100
100
100
100
100
100
100
92
81
70
57
42
29
31
34
36
25

High Clouds (% Sky Obscured)

67
63
44
24
5
37
68
100
100
100
100
100
100
100
100
100
100
89
78
67
44
22
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
2
0
0
0
0
0
0
0
0
0
0
0
3
6
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
Snow
Snow
Snow
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
None
None

Precipitation Probability (%)

0
0
6
14
23
46
62
85
95
95
95
95
95
95
95
95
95
95
95
95
83
57
26
24

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.3
0.4
0.9
1.1
1.9
2.1
2.3
2.4
2.1
1.7
1.4
1.2
1
0.9
0.5
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
87
86
83
81
84
84
84
88
96
100
98
100
98
98
98
98
96
94
92
89
89
87
87

Pressure (mb)

1015
1014
1014
1014
1014
1013
1012
1012
1010
1008
1005
1004
1007
1005
1003
1003
1003
1003
1003
1004
1004
1004
1005
1005

Ozone (du)

299
295
293
294
294
293
294
293
292
291
293
298
304
310
316
317
319
320
329
338
347
363
378
394

Saturday 27

First Quarter 52%

11:20

00:23

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

Sun - Rise: 07:13, Set: 16:19, Transit: 11:46. Moon - Rise: 11:20, Set: 00:23. Civil Dark: 16:51 - 06:41. Nautical Dark: 17:27 - 06:06. Astro Dark: 18:01 - 05:32

Total Clouds (% Sky Obscured)

95
92
82
74
63
66
73
76
60
57
70
75
89
88
68
53
39
27
19
11
10
12
12
31

Low Clouds (% Sky Obscured)

92
89
79
70
61
57
53
49
33
16
0
0
0
0
0
0
3
5
9
9
9
10
10
9

Medium Clouds (% Sky Obscured)

13
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
5

ISS Passover

Visibility (miles)

9
9
9
8
7
7
7
8
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 (%)

20
10
12
9
4
6
4
1
4
1
5
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-7
-7
-6
-7
-7
-7
-7
-7
-7
-7
-5
-4
-5
-5
-5
-5
-6
-6
-6
-7
-7
-7

Dew Point (°C)

-4
-4
-4
-4
-4
-4
-5
-5
-6
-6
-6
-6
-6
-5
-5
-5
-5
-6
-6
-7
-7
-8
-8
-8

Relative Humidity (%)

87
86
86
86
87
87
84
79
76
74
72
71
74
77
79
81
82
84
82
82
82
82
81
81

Pressure (mb)

1006
1008
1009
1010
1012
1014
1015
1017
1018
1018
1018
1019
1019
1019
1020
1021
1021
1022
1022
1022
1023
1023
1022
1022

Ozone (du)

394
394
394
390
387
384
380
376
371
369
367
365
359
353
347
346
345
345
343
342
340
339
339
338

Sunday 28

Waxing Gibbous 63%

11:42

01:37

Sun - Rise: 07:13, Set: 16:20, Transit: 11:47. Moon - Rise: 11:42, Set: 01:37. Civil Dark: 16:52 - 06:41. Nautical Dark: 17:27 - 06:06. Astro Dark: 18:01 - 05:32

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 Cedarwood, Middlesex, United States of America (42.36,-71.26)

Generated: 22/12/25 02:12:34. Forecast: 22/12/25 to 28/12/25. Timezone: UTC-5.00