Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 12

Waning Crescent 34%

01:12

12:49

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

Sun - Rise: 07:15, Set: 16:36, Transit: 11:56. Moon - Rise: 01:12, Set: 12:49. Civil Dark: 17:07 - 06:45. Nautical Dark: 17:41 - 06:11. Astro Dark: 18:13 - 05:38

Total Clouds (% Sky Obscured)

22
17
0
0
0
17
100
100
87
95
80
100
100
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
61
76
92
76
65
47
38
8
2
40
55
83
74

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
100
100
80
95
80
86
94
98
99
90
54
57
83
74
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
13
100
74
24
38
18
100
97
47
94
99
100
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
3
0
0
0
0
0
0
0
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-10
-10
-10
-11
-11
-12
-12
-11
-11
-11
-11
-10
-8
-7
-5
-4
-3
-2
-2
-2
-1
-1
-2

Relative Humidity (%)

56
57
57
57
55
52
52
51
52
52
52
54
58
64
69
71
70
68
67
66
65
66
72
74

Pressure (mb)

1021
1022
1022
1022
1021
1022
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1019
1018
1017
1016
1016
1017
1017

Ozone (du)

336
339
341
339
337
337
351
369
368
361
357
357
354
348
343
338
332
326
322
319
316
315
315
316

Saturday 13

Waning Crescent 25%

02:13

13:10

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

Sun - Rise: 07:16, Set: 16:36, Transit: 11:56. Moon - Rise: 02:13, Set: 13:10. Civil Dark: 17:07 - 06:46. Nautical Dark: 17:41 - 06:11. Astro Dark: 18:14 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
96
41
25
57
79
62
43
26
74
50
27

Low Clouds (% Sky Obscured)

70
73
80
92
96
100
100
100
100
100
100
61
39
43
29
25
52
78
62
43
25
74
40
22

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
96
31
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
25
30
19
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
7
0
0
0
0
0
0
0
1
3
9
9
9
9
7
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
6
20
39
66
95
95
95
95
95
95
72
27
8
1
0
10
4
1
0
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.3
0.7
0.9
1.1
1.2
1.1
1
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
5
5
4
3
4
7
7
9
8
9
11
12
13
13
14
14
15
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-2
-2
-2
-2
-3
-3
-3
-5
-6
-7
-8
-8
-9
-8
-8
-9
-10
-10
-11
-10
-11
-10

Dew Point (°C)

-1
-1
-2
-1
1
1
0
-0
-1
-2
-2
-4
-4
-6
-7
-7
-7
-7
-9
-10
-10
-11
-11
-11

Relative Humidity (%)

77
79
80
88
96
100
100
98
96
94
92
89
91
79
78
79
78
73
65
64
64
63
63
65

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1016
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1021

Ozone (du)

316
317
317
318
316
313
311
310
311
314
314
318
325
326
334
338
342
349
355
367
372
374
366
363

Sunday 14

Waning Crescent 17%

03:14

13:33

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

Sun - Rise: 07:17, Set: 16:37, Transit: 11:57. Moon - Rise: 03:14, Set: 13:33. Civil Dark: 17:07 - 06:46. Nautical Dark: 17:41 - 06:12. Astro Dark: 18:14 - 05:39

Total Clouds (% Sky Obscured)

48
58
61
54
47
15
3
2
2
3
3
5
28
20
24
42
82
100
85
90
95
99
93
86

Low Clouds (% Sky Obscured)

43
58
55
50
47
15
0
0
0
0
0
0
0
0
1
1
1
1
16
16
24
19
14
10

Medium Clouds (% Sky Obscured)

0
31
10
0
0
0
0
0
0
0
0
0
5
4
15
42
82
95
73
90
95
99
93
86

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
14
20
15
24
56
100
56
39
24
11
5
5

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
3

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 (%)

3
2
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
18

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-13
-13
-13
-12
-13
-13
-13
-13
-12
-12
-12
-11
-12
-13
-12
-11
-9
-9
-8
-7
-7
-7
-8

Dew Point (°C)

-11
-12
-13
-13
-12
-12
-13
-13
-13
-12
-12
-12
-12
-11
-12
-10
-10
-10
-10
-9
-8
-8
-7
-7

Relative Humidity (%)

69
65
63
63
66
68
68
70
68
71
72
74
74
75
74
73
69
65
60
60
63
65
68
76

Pressure (mb)

1022
1022
1023
1023
1024
1025
1025
1025
1025
1026
1026
1026
1027
1028
1028
1029
1029
1028
1026
1025
1025
1025
1024
1024

Ozone (du)

360
358
357
358
364
368
366
368
350
341
332
328
318
309
301
296
289
284
281
284
285
288
289
293

Monday 15

Waning Crescent 11%

04:16

14:00

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

Sun - Rise: 07:17, Set: 16:37, Transit: 11:57. Moon - Rise: 04:16, Set: 14:00. Civil Dark: 17:08 - 06:47. Nautical Dark: 17:42 - 06:13. Astro Dark: 18:14 - 05:40

Total Clouds (% Sky Obscured)

79
77
81
79
77
70
67
61
20
6
25
42
65
70
70
71
48
36
21
12
8
4
45
20

Low Clouds (% Sky Obscured)

5
3
12
22
33
30
40
36
4
2
15
31
48
32
17
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

79
68
54
56
46
26
21
14
6
0
0
0
0
16
43
69
48
36
21
12
8
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
2
1
25
40
65
70
70
55
33
16
0
0
0
4
45
20

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
1
1
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-7
-7
-7
-7
-8
-8
-8
-8
-9
-9
-10
-10
-10
-9
-9
-9
-9
-8
-8
-8
-7
-6
-6

Relative Humidity (%)

84
79
82
81
82
79
79
81
81
74
72
70
72
73
74
72
65
60
60
57
58
61
71
76

Pressure (mb)

1024
1023
1023
1022
1022
1021
1021
1020
1021
1021
1021
1021
1022
1023
1023
1024
1025
1024
1024
1023
1023
1024
1024
1024

Ozone (du)

295
291
292
296
296
295
295
292
289
290
290
291
291
292
292
291
291
293
289
286
281
276
275
273

Tuesday 16

Waning Crescent 6%

05:19

14:33

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

Sun - Rise: 07:18, Set: 16:37, Transit: 11:58. Moon - Rise: 05:19, Set: 14:33. Civil Dark: 17:08 - 06:47. Nautical Dark: 17:42 - 06:13. Astro Dark: 18:15 - 05:40

Total Clouds (% Sky Obscured)

20
20
20
30
57
80
100
91
84
87
94
93
100
98
95
93
87
81
75
78
80
82
87
92

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
9
9
3
12
23
35
28
20
13
14
13
12
17
28
45
53
59

Medium Clouds (% Sky Obscured)

3
15
14
30
56
63
72
66
59
54
47
32
25
36
50
68
63
60
57
49
39
30
23
16

High Clouds (% Sky Obscured)

20
20
20
30
57
80
52
42
26
69
82
76
100
91
81
72
69
67
64
73
80
82
87
92

ISS Passover

Visibility (miles)

9
9
9
9
9
8
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
2
7
2
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
78
79
81
81
79
81
79
81
82
84
86
86
83
78
76
74
73
75
77
79
82
85

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1021
1022
1021
1021
1021
1021
1020
1019
1018
1018
1018
1018
1019

Ozone (du)

272
270
270
268
269
270
271
270
272
270
270
272
276
280
283
285
288
289
289
290
290
290
290
289

Wednesday 17

Waning Crescent 2%

06:20

15:13

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
16 Bad
17 Bad

Sun - Rise: 07:19, Set: 16:38, Transit: 11:58. Moon - Rise: 06:20, Set: 15:13. Civil Dark: 17:08 - 06:48. Nautical Dark: 17:42 - 06:14. Astro Dark: 18:15 - 05:41

Total Clouds (% Sky Obscured)

99
100
100
100
99
98
95
91
84
79
84
92
100
80
65
54
65
82
93
96
98
100
100
100

Low Clouds (% Sky Obscured)

65
72
74
76
56
42
31
26
17
6
7
9
5
5
10
5
32
54
76
72
67
63
62
67

Medium Clouds (% Sky Obscured)

10
13
81
85
92
92
95
91
84
79
58
40
18
26
35
43
52
60
56
38
19
0
0
0

High Clouds (% Sky Obscured)

98
98
99
99
96
76
56
55
32
28
52
77
100
80
65
54
50
45
45
60
75
100
100
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
3
1
3
6
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
2
6
12
27
37
45
45
37
16
11
6
1
6
7
4
9
9

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-2
-2
-1
-1
-1
-1
-1
0
0
0
1
1
1
1
1
1
2
2
2
8
8
8
8

Dew Point (°C)

0
1
1
1
2
2
2
2
2
2
2
3
3
3
3
4
5
6
6
7
8
8
9
8

Relative Humidity (%)

86
89
91
91
94
93
93
93
93
93
93
96
96
100
98
96
98
93
87
83
83
81
79
77

Pressure (mb)

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

Ozone (du)

289
289
288
288
288
287
286
285
284
284
283
283
282
282
283
284
285
286
286
286
287
287
287
288

Thursday 18

Waning Crescent 0%

07:18

16:00

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

Sun - Rise: 07:19, Set: 16:38, Transit: 11:59. Moon - Rise: 07:18, Set: 16:00. Civil Dark: 17:09 - 06:49. Nautical Dark: 17:43 - 06:14. Astro Dark: 18:16 - 05:41

Total Clouds (% Sky Obscured)

100
100
100
100
77
59
42
44
47
46
60
75
89
90
89
87
82
72
63

Low Clouds (% Sky Obscured)

74
67
58
50
47
44
42
44
47
46
38
41
38
33
23
14
11
7
4

Medium Clouds (% Sky Obscured)

0
3
7
12
17
23
30
30
30
25
21
10
2
21
41
64
55
47
38

High Clouds (% Sky Obscured)

98
100
100
100
77
59
42
44
47
46
60
33
0
5
10
20
27
63
58

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

4
15
32
47
53
52
45
76
95
95
88
65
40
30
20
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.7
1.1
0.5
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
14
15
16
15
15
14
11
11
13
13
13
13
14
16
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
7
7
7
7
7
4
5
4
4
4
4
1
-0
-1
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

77
77
73
71
67
68
68
69
66
65
64
55
48
42
43
43
43
40
39

Pressure (mb)

1013
1014
1013
1012
1012
1011
1011
1010
1011
1012
1013
1013
1014
1015
1017
1019
1020
1021
1022

Ozone (du)

288
289
290
290
291
292
293
294
295
296
297
298
298
299
301
303
305
306
307

Forecast for Washington Park, Montgomery County, United States of America (40.10,-75.38)

Generated: 12/12/25 17:30:47. Forecast: 12/12/25 to 18/12/25. Timezone: UTC-5.00