Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 18%

04:06

13:10

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

Sun - Rise: 07:08, Set: 16:12, Transit: 11:40. Moon - Rise: 04:06, Set: 13:10. Civil Dark: 16:44 - 06:36. Nautical Dark: 17:19 - 06:00. Astro Dark: 17:54 - 05:27

Total Clouds (% Sky Obscured)

9
7
0
0
1
67
100
100
100
90
73
44
33
34
75
93
90
61
45
34
43
35
36
21

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
60
96
100
100
90
73
44
33
34
75
93
84
58
43
30
39
32
32
16

High Clouds (% Sky Obscured)

0
0
0
0
1
2
84
79
28
25
20
35
21
34
7
8
1
0
0
0
5
2
4
4

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)

15
14
11
12
12
13
12
12
11
11
10
9
8
7
6
6
6
6
6
6
6
6
5
5

Chance of Frost

Temperature (°C)

-11
-11
-10
-9
-8
-6
-6
-5
-5
-5
-6
-6
-6
-7
-7
-7
-6
-6
-6
-7
-7
-7
-7
-7

Feels Like (°C)

-16
-16
-14
-14
-12
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-10
-9
-10
-9
-9
-10
-10

Dew Point (°C)

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

Relative Humidity (%)

58
58
58
55
51
47
47
49
52
54
57
58
60
62
66
68
73
74
79
80
82
82
79
76

Pressure (mb)

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

Ozone (du)

359
344
331
312
299
292
291
295
289
284
287
285
289
294
291
293
307
317
313
323
327
331
333
333

Tuesday 16

Waning Crescent 11%

05:10

13:35

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

Sun - Rise: 07:09, Set: 16:12, Transit: 11:40. Moon - Rise: 05:10, Set: 13:35. Civil Dark: 16:44 - 06:37. Nautical Dark: 17:20 - 06:01. Astro Dark: 17:54 - 05:27

Total Clouds (% Sky Obscured)

11
11
0
0
0
0
0
4
5
7
100
100
91
100
90
66
44
44
30
29
49
85
71
44

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
1
2
2
1
0
0
0

Medium Clouds (% Sky Obscured)

11
8
0
0
0
0
0
0
0
0
0
26
91
95
90
66
44
39
30
29
12
12
0
0

High Clouds (% Sky Obscured)

1
6
0
0
0
0
0
0
1
4
100
100
74
100
73
22
17
28
11
4
11
56
62
44

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
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-12
-12
-12
-11
-11
-11
-10
-9
-8
-7
-7
-8
-8
-9
-9
-8
-8
-8
-8
-8
-9
-9
-9

Relative Humidity (%)

73
74
72
62
55
51
48
48
50
55
68
72
69
68
64
65
68
70
72
73
72
66
63
64

Pressure (mb)

1020
1021
1021
1022
1023
1022
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1017
1016
1016
1016
1015
1014

Ozone (du)

338
353
346
324
321
320
312
310
310
309
301
293
284
288
283
283
277
274
268
265
264
263
262
263

Wednesday 17

Waning Crescent 6%

No Rise

14:06

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 OK
01 Good
02 Good
03 Good
04 Good
05 OK

Sun - Rise: 07:09, Set: 16:12, Transit: 11:41. Moon - Rise: No Rise, Set: 14:06. Civil Dark: 16:44 - 06:37. Nautical Dark: 17:20 - 06:02. Astro Dark: 17:54 - 05:28

Total Clouds (% Sky Obscured)

57
66
61
62
63
100
88
84
93
55
54
56
52
100
100
93
56
57
18
10
6
2
5
35

Low Clouds (% Sky Obscured)

0
27
61
60
49
27
3
0
0
6
0
11
2
20
15
9
6
8
8
4
2
0
0
1

Medium Clouds (% Sky Obscured)

16
20
17
7
14
2
0
6
24
22
24
31
30
35
35
30
19
15
8
5
2
0
0
29

High Clouds (% Sky Obscured)

57
66
61
62
63
100
88
59
66
8
1
4
52
47
27
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
1
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)

10
10
11
11
11
12
12
12
11
10
9
9
8
8
10
11
11
12
12
11
8
6
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
64
63
59
56
54
54
56
61
63
69
76
80
80
68
63
62
66
61
62
61
63
72
72

Pressure (mb)

1013
1013
1012
1012
1012
1010
1009
1009
1009
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1021
1022
1022
1023

Ozone (du)

263
264
265
269
267
266
269
272
277
281
288
294
299
305
312
320
329
343
338
323
317
314
314
315

Thursday 18

Waning Crescent 2%

06:13

14:44

06 OK
07 OK
08 OK
09 OK
10 Good
11 OK
12 OK
13 OK
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: 07:10, Set: 16:13, Transit: 11:41. Moon - Rise: 06:13, Set: 14:44. Civil Dark: 16:45 - 06:38. Nautical Dark: 17:20 - 06:02. Astro Dark: 17:55 - 05:28

Total Clouds (% Sky Obscured)

30
30
25
26
14
40
40
48
60
66
72
80
94
72
81
77
84
92
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
11
21
41
61
57
60
61
71
80
89
78
68
59
64
68

Medium Clouds (% Sky Obscured)

30
30
24
4
4
2
2
0
0
26
2
59
86
41
39
32
59
79
100
84
68
59
71
78

High Clouds (% Sky Obscured)

0
0
0
1
0
0
5
18
27
43
27
13
0
0
0
0
0
0
0
33
67
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
5
7

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
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
29
17
6
10
39
95
95

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
0.5
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-2
-2
-1
0
2
3
4
4
4
3
2
2
2
3
2
2
3
4
6
6
8
9
9
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
70
65
56
50
49
50
53
58
68
78
81
83
89
93
94
96
94
94
87
84
85
88

Pressure (mb)

1023
1024
1024
1025
1026
1025
1024
1024
1023
1023
1022
1022
1021
1020
1019
1017
1016
1014
1013
1011
1010
1008
1006
1004

Ozone (du)

316
318
319
318
315
312
310
308
308
306
306
306
306
306
305
305
306
308
308
308
308
309
307
307

Friday 19

New Moon 0%

07:11

15:31

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 OK
00 OK
01 OK
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 07:10, Set: 16:13, Transit: 11:42. Moon - Rise: 07:11, Set: 15:31. Civil Dark: 16:45 - 06:38. Nautical Dark: 17:21 - 06:03. Astro Dark: 17:55 - 05:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
74
46
19
14
10
6
11
16
21
16
11
6
4
3

Low Clouds (% Sky Obscured)

73
75
76
77
83
88
93
94
97
100
74
46
19
14
10
0
7
15
21
16
11
6
4
3

Medium Clouds (% Sky Obscured)

91
93
97
100
100
100
100
98
96
93
62
33
3
2
1
0
1
2
2
2
1
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
82
61
48
95
100
100
67
33
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
7
2
2
2
3
6
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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
74
49
12
8
5
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.9
1.1
1.6
2.8
2
1.6
1
0.9
0.9
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
13
13
14
14
12
14
15
13
13
13
13
13
13
14
14
14
14
13
13
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
10
11
12
7
7
7
7
6
5
4
1
-1
-3
-5
-7
-8
-9
-10
-11
-12
-14
-15

Relative Humidity (%)

90
90
90
90
92
88
87
85
81
78
74
73
70
69
67
64
62
61
59
58
53
50
46
44

Pressure (mb)

1003
1002
1000
998
996
996
994
993
994
994
994
995
997
998
1000
1001
1002
1003
1004
1005
1007
1008
1010
1012

Ozone (du)

310
311
313
315
317
319
321
323
329
335
342
345
348
351
353
355
357
363
369
374
371
368
364
360

Saturday 20

Waxing Crescent 1%

08:03

16:27

06 Good
07 Good
08 Good
09 Good
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
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: 07:11, Set: 16:14, Transit: 11:42. Moon - Rise: 08:03, Set: 16:27. Civil Dark: 16:46 - 06:39. Nautical Dark: 17:21 - 06:03. Astro Dark: 17:56 - 05:29

Total Clouds (% Sky Obscured)

2
2
3
1
14
24
35
43
43
46
59
66
67
76
86
98
98
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
3
0
0
0
0
0
0
0
0
0
0
5
15
22
53
67
59
49
42
34
56
78

Medium Clouds (% Sky Obscured)

0
0
0
0
14
24
35
43
43
46
47
29
11
37
63
88
92
96
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
3
4
27
27
28
24
21
22
41
65
91
89
90
100
100
100
100
98
96

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
7
8
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
Snow
Snow
Snow
None

Precipitation Probability (%)

0
1
1
0
0
0
0
0
0
0
0
0
0
11
17
20
20
16
4
27
44
56
56
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.2
0

Wind Speed/Direction (mph)

12
12
12
13
13
12
11
9
7
5
3
3
4
4
5
6
7
7
8
8
8
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-11
-11
-11
-10
-10
-9
-10
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-7
-7
-5
-6
-5
-5

Dew Point (°C)

-16
-17
-18
-19
-19
-19
-19
-19
-18
-18
-17
-17
-18
-18
-18
-17
-16
-14
-12
-10
-8
-6
-4
-3

Relative Humidity (%)

42
40
36
32
30
28
26
25
27
29
32
32
31
32
32
33
33
38
44
52
56
64
71
73

Pressure (mb)

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

Ozone (du)

356
352
350
348
345
343
341
339
335
332
328
325
322
319
317
314
312
311
311
310
309
307
305
304

Sunday 21

Waxing Crescent 3%

08:47

17:29

Sun - Rise: 07:11, Set: 16:14, Transit: 11:43. Moon - Rise: 08:47, Set: 17:29. Civil Dark: 16:46 - 06:39. Nautical Dark: 17:22 - 06:04. Astro Dark: 17:56 - 05:30

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

Generated: 15/12/25 05:14:36. Forecast: 15/12/25 to 21/12/25. Timezone: UTC-5.00