Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 4

Waning Gibbous 86%

21:00

09:03

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

Sun - Rise: 07:25, Set: 17:23, Transit: 12:24. Moon - Rise: 21:00, Set: 09:03. Civil Dark: 17:54 - 06:54. Nautical Dark: 18:29 - 06:18. Astro Dark: 19:04 - 05:44

Total Clouds (% Sky Obscured)

75
70
56
31
2
3
0
0
0
1
12
12
32
46
78
65
74
74
100
100
100
100
100
92

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
10
13
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
0
0
0
0
0
0
0
0
0
15

High Clouds (% Sky Obscured)

56
11
4
4
2
3
0
0
0
1
12
12
32
45
69
65
71
74
100
100
100
100
100
85

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
2
2
1
1
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)

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

Chance of Frost

Temperature (°C)

14
14
14
12
11
11
10
9
8
7
6
6
6
5
5
4
4
4
4
6
8
10
12
14

Feels Like (°C)

12
12
14
12
12
11
10
9
9
7
6
6
5
5
4
3
4
3
3
3
6
8
10
11

Dew Point (°C)

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

Relative Humidity (%)

48
47
53
61
64
68
69
72
73
74
75
78
76
78
78
77
77
77
76
71
62
54
52
50

Pressure (mb)

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

Ozone (du)

299
300
300
299
298
299
299
300
300
301
300
301
301
302
302
302
303
304
304
304
306
308
307
308

Thursday 5

Waning Gibbous 78%

22:09

09:20

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

Sun - Rise: 07:23, Set: 17:24, Transit: 12:24. Moon - Rise: 22:09, Set: 09:20. Civil Dark: 17:55 - 06:52. Nautical Dark: 18:30 - 06:17. Astro Dark: 19:05 - 05:43

Total Clouds (% Sky Obscured)

18
9
16
17
32
37
19
0
5
6
6
0
0
0
5
27
28
65
49
11
46
35
35
35

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
8
12
20
18
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
0
0
0
0
1

High Clouds (% Sky Obscured)

17
9
16
15
29
37
19
0
5
5
4
0
0
0
0
17
16
65
35
11
33
25
25
25

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
1
4
9
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)

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

Chance of Frost

Temperature (°C)

15
16
15
14
13
11
11
10
9
8
7
6
6
5
5
4
4
3
3
5
8
10
12
13

Feels Like (°C)

12
15
16
15
13
11
11
10
10
8
8
7
6
6
5
5
5
4
3
5
8
8
10
11

Dew Point (°C)

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

Relative Humidity (%)

47
47
52
59
63
66
69
72
74
74
75
76
78
79
79
80
80
80
79
71
63
57
54
52

Pressure (mb)

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

Ozone (du)

309
308
308
306
305
304
305
305
305
305
306
307
309
309
310
312
314
315
315
318
321
323
327
332

Friday 6

Waning Gibbous 69%

23:17

09:38

14 OK
15 Good
16 Good
17 Good
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

Sun - Rise: 07:22, Set: 17:26, Transit: 12:25. Moon - Rise: 23:17, Set: 09:38. Civil Dark: 17:57 - 06:51. Nautical Dark: 18:32 - 06:16. Astro Dark: 19:06 - 05:42

Total Clouds (% Sky Obscured)

30
15
3
13
28
41
44
26
59
65
83
92
94
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
15
13
16
0
1
11
18
19
18
23
31
19
85
71
85
81
86
90
95
95

Medium Clouds (% Sky Obscured)

0
3
0
0
0
2
3
0
0
3
0
15
50
40
47
95
99
77
100
93
100
59
100
100

High Clouds (% Sky Obscured)

25
7
2
11
5
11
11
16
59
45
83
92
93
100
100
99
51
100
100
89
93
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
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
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
4
38
77
95
81
76
95
88
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
0.5
0.4
0.8
0.5
0.6
0.6
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
54
59
67
77
80
84
85
87
90
91
91
91
93
93
91
90
88
87
85
85
87
87
88

Pressure (mb)

1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1021
1020
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022

Ozone (du)

336
339
338
334
337
341
339
335
333
332
330
330
329
329
329
328
328
328
327
326
326
327
325
324

Saturday 7

Waning Gibbous 59%

00:25

09:59

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
12 Bad
13 Bad

Sun - Rise: 07:20, Set: 17:27, Transit: 12:25. Moon - Rise: 00:25, Set: 09:59. Civil Dark: 17:58 - 06:50. Nautical Dark: 18:33 - 06:15. Astro Dark: 19:08 - 05:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
95
93
95
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

96
96
94
92
90
92
94
93
92
89
86
88
90
93
90
89
87
87
87
84
85
85
84
89

Medium Clouds (% Sky Obscured)

89
100
98
96
93
87
81
75
77
88
100
98
97
96
98
99
100
100
100
100
100
100
100
97

High Clouds (% Sky Obscured)

100
100
100
100
100
75
50
25
50
75
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
8
8
5
5
8
9
3
7
2
4
2
4
5
3
3
9
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

Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

95
88
93
95
90
93
76
70
80
77
83
82
95
95
95
95
95
95
95
95
95
95
83
95

Precipitation Amount (mm)

0.4
0.2
0.3
0.6
0.3
0.5
0.2
0.2
0.4
0.3
0.4
0.3
0.6
1.1
0.5
1
0.9
1.6
1.2
1.1
1.3
0.7
0.3
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
93
93
93
93
96
96
93
95
94
94
94
96
100
98
96
96
91
91
93
93
91
90

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1023
1022
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1019

Ozone (du)

323
323
322
322
322
323
324
325
325
323
322
322
323
323
324
325
327
327
328
329
329
330
331
331

Sunday 8

Waning Gibbous 50%

01:33

10:24

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
12 Bad
13 Bad

Sun - Rise: 07:19, Set: 17:29, Transit: 12:25. Moon - Rise: 01:33, Set: 10:24. Civil Dark: 17:59 - 06:48. Nautical Dark: 18:34 - 06:13. Astro Dark: 19:09 - 05:39

Total Clouds (% Sky Obscured)

100
100
93
86
79
83
85
89
90
93
95
93
90
88
79
70
64
73
81
86
84
83
85
94

Low Clouds (% Sky Obscured)

95
100
93
86
79
83
85
89
90
93
95
93
90
88
79
70
64
67
70
72
74
73
74
62

Medium Clouds (% Sky Obscured)

93
88
76
62
53
57
71
75
79
83
87
89
90
88
79
70
64
73
81
83
75
66
60
69

High Clouds (% Sky Obscured)

100
100
75
50
25
20
20
2
0
20
15
15
20
4
2
1
0
2
4
9
9
13
14
14

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
92
75
62
70
92
95
93
88
74
84
72
53
46
40
30
51
64
73
67

Precipitation Amount (mm)

1.5
1.1
1.3
1.1
1
0.6
0.3
0
0.3
0.6
1.1
0.5
0.3
0
0.3
0.2
0
0
0
0
0
0.3
0.4
0.3

Wind Speed/Direction (mph)

2
1
3
4
7
10
10
9
9
9
8
8
8
7
7
7
6
6
7
7
8
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
7
7
8
8
8
7
7
7
7
7
6
6
6
6
5
5
5
5
6
6
7
8

Relative Humidity (%)

93
93
94
93
95
93
93
91
91
93
93
94
93
93
94
93
91
91
91
90
88
88
88
88

Pressure (mb)

1018
1017
1017
1017
1017
1018
1018
1019
1019
1020
1020
1021
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1023

Ozone (du)

330
332
334
336
338
340
343
349
354
360
361
364
366
371
373
375
377
379
381
382
384
385
386
387

Monday 9

Third Quarter 40%

02:39

10:56

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
12 Bad
13 Bad

Sun - Rise: 07:18, Set: 17:30, Transit: 12:25. Moon - Rise: 02:39, Set: 10:56. Civil Dark: 18:01 - 06:47. Nautical Dark: 18:36 - 06:12. Astro Dark: 19:10 - 05:38

Total Clouds (% Sky Obscured)

96
98
98
99
100
97
93
88
84
84
84
84
87
88
87
86
83
84
86
88
86
84
84
88

Low Clouds (% Sky Obscured)

53
42
37
31
26
28
30
35
22
17
15
30
30
35
43
47
46
46
42
43
38
28
23
27

Medium Clouds (% Sky Obscured)

71
76
84
92
100
96
93
88
84
84
84
79
73
68
59
51
43
53
69
86
70
49
29
50

High Clouds (% Sky Obscured)

11
6
36
64
93
77
60
43
30
17
2
10
17
22
19
19
22
44
65
84
71
58
46
49

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
8
7
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

Very Light Rain
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 (%)

61
53
47
42
30
29
31
30
34
41
46
42
40
38
47
49
28
36
32
18
24
28
25
28

Precipitation Amount (mm)

0.2
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
5
5
5
5
5
5
6
6
6
6
6
6
6
7
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
83
85
87
90
90
91
93
91
91
91
89
88
85
86
88
88
88
86
83
78
72
67

Pressure (mb)

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

Ozone (du)

388
389
390
392
393
394
393
392
391
393
394
396
399
401
404
402
401
399
403
407
411
415
419
423

Tuesday 10

Waning Crescent 31%

03:42

11:36

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

Sun - Rise: 07:16, Set: 17:32, Transit: 12:25. Moon - Rise: 03:42, Set: 11:36. Civil Dark: 18:02 - 06:46. Nautical Dark: 18:37 - 06:11. Astro Dark: 19:11 - 05:36

Total Clouds (% Sky Obscured)

94
100
100
100
100
98
97
96
96
95
90
89
89
93
86
82
77
69
65
63

Low Clouds (% Sky Obscured)

32
41
35
26
17
14
10
6
5
4
3
25
46
64
64
72
77
69
61
49

Medium Clouds (% Sky Obscured)

72
94
92
90
88
90
92
94
96
95
90
89
89
90
81
71
67
54
41
27

High Clouds (% Sky Obscured)

68
88
91
93
96
88
79
70
59
48
36
19
16
27
23
15
2
1
1
0

ISS Passover

Visibility (miles)

7
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

30
31
26
19
9
11
8
0
6
5
1
7
6
2
4
3
1
3
2
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
70
71
74
80
84
85
86
89
89
89
91
91
91
89
91
91
91
86
80

Pressure (mb)

1015
1015
1014
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1017
1018
1018
1019
1019

Ozone (du)

426
428
430
430
429
429
427
425
423
426
428
431
430
430
430
429
428
427
422
416

Forecast for West Portland, Multnomah, United States of America (45.46,-122.72)

Generated: 04/02/26 14:42:09. Forecast: 04/02/26 to 10/02/26. Timezone: UTC-8.00