Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 5

First Quarter 58%

11:31

02:18

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

Sun - Rise: 07:02, Set: 17:25, Transit: 12:14. Moon - Rise: 11:31, Set: 02:18. Civil Dark: 17:53 - 06:34. Nautical Dark: 18:26 - 06:02. Astro Dark: 18:57 - 05:30

Total Clouds (% Sky Obscured)

21
20
13
0
0
0
0
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Low 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
0

Medium Clouds (% Sky Obscured)

6
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
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
9
0
3
0
0
0
0
0
39
61
6
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 (%)

10
14
16
10
11
8
8
7
5
5
2
2
3
4
2
2
1
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)

17
17
16
19
19
17
16
15
14
13
12
11
10
11
12
15
15
10
4
0
0
0
0
2

Chance of Frost

Temperature (°C)

14
14
14
13
13
11
10
9
9
9
9
8
8
8
8
8
8
7
6
3
4
5
7
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

30
33
37
38
38
38
42
45
45
42
46
46
44
44
44
41
40
37
35
46
51
54
49
49

Pressure (mb)

1004
1003
1003
1003
1004
1005
1006
1007
1007
1008
1008
1008
1009
1009
1009
1008
1009
1009
1010
1011
1013
1014
1013
1013

Ozone (du)

278
278
277
276
276
277
278
281
285
286
285
287
285
284
283
282
282
283
283
284
285
287
287
287

Thursday 6

Waxing Gibbous 69%

No Rise

03:30

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

Sun - Rise: 07:01, Set: 17:26, Transit: 12:14. Moon - Rise: No Rise, Set: 03:30. Civil Dark: 17:55 - 06:33. Nautical Dark: 18:27 - 06:01. Astro Dark: 18:58 - 05:29

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
21
8
9
6
0
0
0
6
17
26
21
2
2
3
0
0
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
21
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
8
8
9
6
0
0
0
4
16
20
13
0
0
0
0
0
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
8
10
1
1
2
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
1
1
1
2
2
2
7
14
11
7
7
6
6

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
7
5
4
4
3
3
2
1
1
1
2
2
2
1
1
2
5
9
12

Feels Like (°C)

6
6
7
7
7
6
4
3
3
3
3
2
1
-0
-0
1
1
0
-0
-1
2
4
7
10

Dew Point (°C)

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

Relative Humidity (%)

51
49
49
47
49
59
66
64
63
62
63
68
64
54
50
49
49
50
55
57
53
44
40
34

Pressure (mb)

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

Ozone (du)

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

Friday 7

Waxing Gibbous 79%

12:20

04:35

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

Sun - Rise: 07:00, Set: 17:28, Transit: 12:14. Moon - Rise: 12:20, Set: 04:35. Civil Dark: 17:56 - 06:32. Nautical Dark: 18:28 - 06:00. Astro Dark: 18:59 - 05:28

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
2
25
39
70
60
65
61
65
49
33
12
17

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
8
29
28
31
33
38
41
32
22
12
14

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
2
18
27
39
32
32
40
45
37
24
10
13

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
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
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
5
5
5
4
4
5
5
14
13
24
20
32
27
16
22
12
23
34
43
50
45
19
31

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
10
13
14
14
12
10
9
10
12
10
6
7
6
3
10
9
6
5
5
5
5
7
9

Chance of Frost

Temperature (°C)

14
15
15
15
13
10
8
8
8
9
8
7
6
5
6
4
3
2
1
0
2
5
7
9

Feels Like (°C)

12
14
13
14
12
9
7
6
6
5
5
5
4
3
3
-2
-2
-2
-3
-4
-2
1
4
6

Dew Point (°C)

-3
-3
-3
-2
-1
-1
-3
-3
-4
-4
-4
-3
-4
-3
-3
-7
-8
-9
-11
-11
-11
-13
-16
-16

Relative Humidity (%)

31
29
29
30
38
46
47
45
43
41
45
47
47
58
55
46
44
44
41
41
38
26
18
15

Pressure (mb)

1004
1003
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1004
1006
1008
1010
1011
1013
1015
1016
1015
1014
1013

Ozone (du)

289
288
288
288
287
287
287
288
287
287
287
284
285
286
288
287
285
284
284
285
288
291
292
294

Saturday 8

Waxing Gibbous 88%

13:19

05:29

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:59, Set: 17:29, Transit: 12:14. Moon - Rise: 13:19, Set: 05:29. Civil Dark: 17:57 - 06:31. Nautical Dark: 18:29 - 05:59. Astro Dark: 19:00 - 05:27

Total Clouds (% Sky Obscured)

21
23
37
53
82
94
97
100
100
100
71
98
59
48
80
96
92
95
92
88
89
84
80
75

Low Clouds (% Sky Obscured)

15
15
23
33
39
47
56
60
60
50
45
45
40
40
39
40
40
69
77
68
61
53
44
50

Medium Clouds (% Sky Obscured)

18
23
35
45
55
54
61
63
65
54
56
92
59
48
72
79
62
62
46
32
25
13
9
13

High Clouds (% Sky Obscured)

0
0
0
1
7
15
15
25
30
30
9
2
0
0
0
0
0
0
0
0
3
3
2
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
0
0
1
2
6

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

Precipitation Probability (%)

27
7
21
18
1
8
13
12
23
31
40
42
44
43
48
46
42
42
38
23
28
23
20
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0
0.1
0.1
0
0.1
0.1
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
11
10
9
8
6
4
3
2
0
-1
-1
-2
-3
-3
-4
-4
-4
-4
-5
-4
-3
-2
-1

Feels Like (°C)

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

Dew Point (°C)

-15
-14
-12
-10
-9
-7
-7
-9
-10
-10
-10
-10
-11
-11
-11
-11
-12
-11
-9
-7
-7
-7
-6
-7

Relative Humidity (%)

15
15
20
24
30
40
42
40
43
47
48
51
51
54
55
56
55
60
69
84
82
76
72
66

Pressure (mb)

1012
1012
1012
1013
1013
1014
1016
1018
1021
1022
1022
1022
1022
1023
1023
1023
1024
1024
1024
1025
1025
1024
1024
1023

Ozone (du)

295
296
298
297
297
298
300
302
302
304
304
305
306
308
309
310
309
310
312
314
318
320
322
325

Sunday 9

Waxing Gibbous 94%

14:26

06:12

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:57, Set: 17:30, Transit: 12:14. Moon - Rise: 14:26, Set: 06:12. Civil Dark: 17:58 - 06:30. Nautical Dark: 18:30 - 05:58. Astro Dark: 19:02 - 05:26

Total Clouds (% Sky Obscured)

78
80
87
95
100
100
100
100
99
98
96
98
98
100
92
88
79
76
73
65
61
67
79
86

Low Clouds (% Sky Obscured)

51
57
68
79
90
86
97
100
97
93
89
87
72
66
62
56
50
75
73
65
61
67
79
86

Medium Clouds (% Sky Obscured)

30
46
50
66
78
91
83
73
56
35
24
51
35
19
12
7
2
1
1
0
2
4
5
25

High Clouds (% Sky Obscured)

2
3
5
6
0
0
0
0
0
0
0
20
18
10
10
16
21
15
8
0
0
0
0
3

ISS Passover

Visibility (miles)

8
3
1
1
2
2
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
2
3
5

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

Precipitation Probability (%)

29
31
36
31
33
30
38
43
43
40
36
33
29
25
21
17
14
14
13
12
11
10
9
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.1
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
6
6
6
6
7
7
6
4
3
2
2
1
0
0
0
1
1
1
1
1
0
1
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-8
-7
-7
-6
-6
-5
-5
-5
-6
-6
-7
-7
-8
-8
-8
-9
-9
-9
-9
-9
-8
-8
-8

Relative Humidity (%)

62
59
59
62
67
76
82
84
87
87
85
89
87
84
84
84
84
82
84
84
82
79
76
70

Pressure (mb)

1023
1022
1021
1022
1023
1024
1026
1027
1028
1028
1029
1029
1027
1026
1026
1026
1026
1025
1025
1025
1025
1024
1023
1023

Ozone (du)

325
326
327
327
326
323
323
325
325
328
330
332
332
333
333
336
339
342
345
348
350
352
353
354

Monday 10

Waxing Gibbous 98%

15:35

06:47

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:56, Set: 17:31, Transit: 12:14. Moon - Rise: 15:35, Set: 06:47. Civil Dark: 17:59 - 06:28. Nautical Dark: 18:31 - 05:57. Astro Dark: 19:03 - 05:25

Total Clouds (% Sky Obscured)

94
99
100
100
100
97
94
91
78
65
50
64
79
93
93
93
92
94
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
83
89
92
94
90
90
91
78
65
50
63
71
84
85
86
87
88
89
91
92
92
93
95

Medium Clouds (% Sky Obscured)

41
59
83
91
99
94
90
76
51
33
14
13
12
23
24
22
18
26
33
43
45
54
57
61

High Clouds (% Sky Obscured)

6
4
3
2
1
1
1
0
0
0
0
15
30
33
7
4
3
2
0
40
53
77
95
95

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

11
12
15
17
20
26
29
33
35
33
27
30
30
30
26
21
21
18
18
16
20
22
28
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.1
0.1
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

1
1
1
1
1
1
1
0
0
0
0
1
2
3
4
4
3
3
2
2
1
3
5
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
63
60
63
67
71
73
78
81
82
84
87
84
81
81
79
79
79
79
79
82
74
69
62

Pressure (mb)

1021
1019
1018
1018
1017
1017
1018
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1022
1022
1022
1023
1023
1023
1023

Ozone (du)

358
361
365
368
372
376
380
384
388
390
392
394
395
395
396
395
394
393
392
391
390
388
386
384

Tuesday 11

Waxing Gibbous 100%

16:44

07:15

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
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:55, Set: 17:32, Transit: 12:14. Moon - Rise: 16:44, Set: 07:15. Civil Dark: 18:00 - 06:27. Nautical Dark: 18:32 - 05:55. Astro Dark: 19:04 - 05:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
95

Low Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
95

Medium Clouds (% Sky Obscured)

74
77
84
94
100
100
100
100
97
93
90
66
42
18
13
8
3

High Clouds (% Sky Obscured)

100
95
100
100
100
100
100
100
85
69
54
38
21
5
3
2
0

ISS Passover

Visibility (miles)

3
1
0
3
5
8
5
3
0
0
0
0
0
0
0
2
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

30
57
52
32
58
61
43
47
47
42
49
39
36
36
25
25
20

Precipitation Amount (mm)

0
0.2
0.2
0
0.2
0.3
0
0.2
0.1
0
0.3
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-10
-10
-10
-10
-10
-12
-11
-11
-12
-11
-11
-13
-13
-12
-12
-12

Dew Point (°C)

-11
-10
-9
-11
-13
-15
-14
-13
-12
-12
-11
-11
-11
-11
-11
-12
-12

Relative Humidity (%)

66
71
77
69
62
53
59
65
71
75
82
85
85
83
83
81
80

Pressure (mb)

1023
1023
1023
1023
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1025
1025
1025

Ozone (du)

380
377
373
372
371
369
369
369
369
370
371
373
373
374
375
370
366

Forecast for Niwot, Boulder, United States of America (40.10,-105.17)

Generated: 05/02/25 11:54:31. Forecast: 05/02/25 to 11/02/25. Timezone: UTC-7.00